/r/spacex
Welcome to r/SpaceX, the premier SpaceX discussion community and the largest fan-run board on the American aerospace company SpaceX. We recommend using r/SpaceX with Old Reddit.
This board is not an official outlet for SpaceX information."
This subreddit is fan-run, and is not an official SpaceX website. For official SpaceX news, please visit spacex.com.
Switch to r/SpaceXLounge →
Upcoming launches include: NROL-186 from SLC-4E, Vandenberg SFB on Jun 29 (03:14 UTC) and Starlink G 8-9 from SLC-40, Cape Canaveral on Jul 03 (06:01 UTC)
Rules Wiki FAQ
Welcome to r/SpaceX, the premier SpaceX discussion community and the largest fan-run board on the American aerospace company SpaceX. This board is not an official outlet for SpaceX information.
Community Rules
Before posting or commenting, please ask yourself the following five questions:
Q1. Respectful — Is the post/comment conducive to a healthy community and a civil discussion on the merits?
Q2. Relevant — Is the post directly and causatively related to SpaceX? Is the comment on-topic?
Q3. Novel — Does the post contribute meaningful new information or questions to the community?
Q4P. Substantive — Does the post contribute to a serious, thoughtful and technically-oriented discussion?
Q4C. Substantive — Does the comment consist of something other than a joke or meme? In threads with a [Technical] flair, does it contribute to a serious, thoughtful and technically-oriented discussion?
Q5. Well-formed — Is the post/comment in the right thread? Does the post have a descriptive and accurate title, a clean link, and the appropriate format?
For more, please read our community rules, and check out the Wiki & FAQ!
Select Upcoming Events
| NET UTC | Event Details |
|---|---|
| Jun 29, 03:14 | NROL-186 Falcon 9, SLC-4E |
| Jul 03, 06 AM | Starlink G 8-9 Falcon 9, SLC-40 |
| Jul 08, 21:20 | Türksat 6A Falcon 9, SLC-40 |
| Jul 10 | Transporter 11 (Dedicated SSO Rideshare) Falcon 9, SLC-4E |
| Jul 15 | WorldView Legion 3 & 4 Falcon 9, Unknown Pad |
| NET July | Arctic Satellite Broadband Mission (ASBM) Falcon 9, SLC-4E |
| NET July | Polaris Dawn Falcon 9, SLC-40 |
| NET July | Starlink G 7-19 Falcon 9, SLC-4E |
| NET July | Starlink G 7-20 Falcon 9, SLC-4E |
| NET July | Starlink G 7-21 Falcon 9, SLC-4E |
| NET July | Starlink G 7-22 Falcon 9, SLC-4E |
| NET July | Starlink G 7-23 Falcon 9, SLC-4E |
Bot generated on 2024-06-28
Data from https://thespacedevs.com/
Starbase Road Closures
No road closures currently scheduled
Temporary Road Delay
| Type | Start (UTC) | End (UTC) |
|---|---|---|
| Alternative | 2024-06-29 03:00:00 | 2024-06-29 07:00:00 |
| Primary | 2024-06-29 05:00:00 | 2024-06-29 08:00:00 |
| Alternative | 2024-06-30 05:00:00 | 2024-06-30 08:00:00 |
Falcon Active Cores
| Core Number | Next Assigment | Flights |
|---|---|---|
| B1061 | TBD | 21 |
| B1062 | TBD | 22 |
| B1063 | TBD | 18 |
| B1064 FH | Europa Clipper | 5 |
| B1065 FH | Europa Clipper | 5 |
| B1067 | TBD | 20 |
| B1069 | TBD | 16 |
| B1071 | TBD | 16 |
| B1072 FH | TBD | 1 |
| B1073 | TBD | 15 |
| B1075 | TBD | 11 |
| B1077 | TBD | 13 |
| B1076 | TBD | 14 |
| B1078 | TBD | 11 |
| B1080 | TBD | 9 |
| B1081 | NROL-186 | 7 |
| B1082 | TBD | 5 |
| B1083 | TBD | 3 |
| B1086 FH | TBD | 1 |
| COMPLETE CORE LIST |
Bot generated on 2024-06-28
Data from https://thespacedevs.com/[](/# Cores Table End)
Useful Resources
Chats:
SpaceX on social media:
- SpaceX.com
- SpaceX's Flickr
- SpaceX's Instagram
- SpaceX's Twitter (Elon's Twitter)
- SpaceX's Youtube
- SpaceX's LinkedIn
Other:
- Flight Club – mission visualizations
- Shit Elon Says – Elon Musk transcripts
- SpaceXNow - statistics and manifests
- SpaceX Stats - countdown and statistics
- SpaceX Time Machine - searchable mission archive
- SpaceXFleet - SpaceX fleet information
- Launch Dashboard API - Telemetry
Relevant Subreddits
| Musk-related | Space-related |
|---|---|
| r/ElonMusk | r/SpaceXLounge |
| r/TeslaMotors | r/HighStakesSpaceX |
| r/Neuralink | r/SpaceXmasterrace |
| r/BoringCompany | r/DearMoonProject |
| r/OpenAI | /r/Starlink |
| r/Spaceflight | |
| r/NASA |
Check out our multireddits for spaceflight companies and solar system bodies!
Industry Relations
Are you in the rocketry/spacecraft industry? Attending a conference? Want subreddit flair? If so, please contact the subreddit moderators.
/r/spacex
2,792,283 Subscribers
Falcon 9 Starlink 10-3 - a beautiful Florida morning at the beach
12:44 UTC
r/SpaceX NROL-186 Official Launch Discussion & Updates Thread!
[](/# MC // section intro)
Welcome to the r/SpaceX NROL-186 Official Launch Discussion & Updates Thread!
Welcome everyone!
[](/# MC // AUTO)
| Scheduled for (UTC) | Jun 29 2024, 03:14 |
|---|---|
| Scheduled for (local) | Jun 28 2024, 20:14 PM (PDT) |
| Launch Window (UTC) | Jun 29 2024, 03:14 - Jun 29 2024, 05:14 |
| Payload | NROL-186 |
| Customer | National Reconnaissance Office |
| Launch Weather Forecast | Unknown |
| Launch site | SLC-4E, Vandenberg SFB, CA, USA. |
| Booster | B1081-8 |
| Landing | The Falcon 9 first stage B1081 will land on ASDS OCISLY after its 8th flight. |
| Mission success criteria | Successful deployment of spacecrafts into orbit |
| Trajectory (Flight Club) | 2D,3D |
[](/# MC // section events)
Timeline
| Time | Update | |
|---|---|---|
| [](/# MC // row 0) T+0d 9h 4m | Thread last generated using the LL2 API | |
| [](/# MC // row 1) 2024-06-27T19:47:06Z | Tweaked launch window. | |
| [](/# MC // row 2) 2024-06-25T21:06:48Z | Added launch. |
[](/# MC // section viewing)
Watch the launch live
| Stream | Link |
|---|---|
| Official Webcast |
[](/# MC // section stats)
Stats
☑️ 380th SpaceX launch all time
☑️ 327th Falcon Family Booster landing
☑️ 95th landing on OCISLY
☑️ 282nd consecutive successful Falcon 9 launch (excluding Amos-6) (if successful)
☑️ 69th SpaceX launch this year
☑️ 22nd launch from SLC-4E this year
☑️ 4 days, 23:27:00 turnaround for this pad
Stats include F1, F9 , FH and Starship
[](/# MC // section mission)
Launch Weather Forecast
| Weather | |
|---|---|
| Temperature | 12.1°C |
| Humidity | 100% |
| Precipitation | 0.0 mm (0%) |
| Cloud cover | 100 % |
| Windspeed (at ground level) | 15.3 m/s |
| Visibillity | 0.3 km |
[](/# MC // section landing)
[](/# MC // section resources)
Resources
Partnership with The Space Devs
Information on this thread is provided by and updated automatically using the Launch Library 2 API by The Space Devs.
Community content 🌐
| Link | Source |
|---|---|
| Flight Club | u/TheVehicleDestroyer |
| Discord SpaceX lobby | u/SwGustav |
| SpaceX Now | u/bradleyjh |
| SpaceX Patch List |
[](/# MC // section participate)
Participate in the discussion!
🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!
🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
💬 Please leave a comment if you discover any mistakes, or have any information.
✉️ Please send links in a private message.
✅ Apply to host launch threads! Drop us a modmail if you are interested.
[](/# MC // section END)
[](/# MC // let time = 1719630840000) [](/# MC // let launch = falcon-9-block-5-nrol-186) [](/# MC // let video = )
03:17 UTC
Development Cost, Revenue, and Break-Even Analysis of Falcon Heavy. Please comment
Overview:
Falcon Heavy, developed by SpaceX, is currently one of the most powerful operational rockets. Understanding its development cost, revenue per flight, operational costs, and break-even point provides insights into the economic viability of such large-scale space projects.
Development Cost
The estimated development cost of Falcon Heavy is approximately $700 million. This figure covers research and development, design, testing, and initial production.
Revenue per Flight
Falcon Heavy’s revenue per flight depends on the payload and mission specifics. The following are some key revenue figures based on publicly available data:
- **Commercial Launch:** $97 million per flight
- **Government and Military Launch:** Can be significantly higher, up to $160 million per flight
Operational Cost per Flight
The operational cost per flight for Falcon Heavy is estimated to be around $60 million. This includes costs for launch operations, maintenance, personnel, and other associated expenses.
Break-Even Analysis
To determine the break-even point, we need to calculate how many flights are required to cover both the initial development cost and the operational costs. This calculation will use the net profit per flight (revenue per flight minus operational cost).
**Break-Even Point Calculation:**
**Commercial Launch:**
- Revenue per Flight: $97 million
- Operational Cost per Flight: $60 million
- Net Profit per Flight: $97 million - $60 million = $37 million
**Government Launch:**
- Revenue per Flight: $160 million
- Operational Cost per Flight: $60 million
- Net Profit per Flight: $160 million - $60 million = $100 million
**Number of Flights to Break Even:**
| Revenue Per Flight Type | Number of Flights to Break Even (Approximate) |
|------------------------------------|-----------------------------------------------|
| Commercial Launch ($37 million net profit) | 700 million / 37 million = ~18.92 flights |
| Government Launch ($100 million net profit) | 700 million / 100 million = ~7 flights |
Conclusion:
This analysis highlights that with the 10th flight we are near break even point for Falcon Heavy program!!
10:42 UTC
The Falcons Have Landed
14:30 UTC
Brand new Falcons learning to land as they return from the GOES-U launch today, as seen from Cape Canaveral Beach Resort.
01:08 UTC
Everyday Astronaut - See Starship and the Orbital Launch Pad w/ Elon Musk
14:41 UTC
r/SpaceX Starlink 10-3 Official Launch Discussion & Updates Thread!
[](/# MC // section intro)
Welcome to the r/SpaceX Starlink 10-3 Official Launch Discussion & Updates Thread!
Welcome everyone!
[](/# MC // AUTO)
| Scheduled for (UTC) | Jun 27 2024, 11:14:00 |
|---|---|
| Scheduled for (local) | Jun 27 2024, 07:14:00 AM (EDT) |
| Launch Window (UTC) | Jun 27 2024, 11:14:00 - Jun 27 2024, 15:00:00 |
| Payload | Starlink 10-3 |
| Customer | SpaceX |
| Launch Weather Forecast | 90% GO (Cumulus Cloud Rule) |
| Launch site | SLC-40, Cape Canaveral, FL, USA. |
| Booster | B1062-22 |
| Landing | Falcon 9 first stage B1062 landed on ASDS JRTI after its 22nd flight. |
| Mission success criteria | Successful deployment of spacecrafts into orbit |
| Trajectory (Flight Club) | 2D,3D |
[](/# MC // section events)
Timeline
| Time | Update | |
|---|---|---|
| [](/# MC // row 0) T--1d 0h 2m | Thread last generated using the LL2 API | |
| [](/# MC // row 1) 2024-06-27T12:23:59Z | Launch success. | |
| [](/# MC // row 2) 2024-06-27T11:14:29Z | Liftoff | |
| [](/# MC // row 3) 2024-06-27T11:04:58Z | Unofficial Re-stream by SPACE AFFAIRS has started | |
| [](/# MC // row 4) 2024-06-26T19:33:14Z | GO for launch. | |
| [](/# MC // row 5) 2024-06-26T15:31:57Z | Weather 90% | |
| [](/# MC // row 6) 2024-06-26T07:42:18Z | Updating window with launch opportunities | |
| [](/# MC // row 7) 2024-06-26T07:28:34Z | Launch time is accurate to the second | |
| [](/# MC // row 8) 2024-06-23T11:07:34Z | Updating window | |
| [](/# MC // row 9) 2024-06-21T09:51:48Z | Targeting NET June 27 per NOTAMs F2191/24. | |
| [](/# MC // row 10) 2024-06-20T22:38:51Z | Reverted back to June TBD due to delays with previous launches from the same pad. | |
| [](/# MC // row 11) 2024-02-21T05:53:42Z | Added launch. | |
| [](/# MC // row 12) 2024-06-19T02:32:57Z | Targeting NET June 27 per NOTAMs F2191/24. |
[](/# MC // section viewing)
Watch the launch live
| Stream | Link |
|---|---|
| Unofficial Re-stream | The Space Devs |
| Unofficial Re-stream | SPACE AFFAIRS |
| Unofficial Webcast | Spaceflight Now |
| Unofficial Webcast | NASASpaceflight |
| Official Webcast |
[](/# MC // section stats)
Stats
☑️ 380th SpaceX launch all time
☑️ 327th Falcon Family Booster landing
☑️ 86th landing on JRTI
☑️ 282nd consecutive successful Falcon 9 launch (excluding Amos-6) (if successful)
☑️ 68th SpaceX launch this year
☑️ 32nd launch from SLC-40 this year
☑️ 3 days, 17:59:00 turnaround for this pad
Stats include F1, F9 , FH and Starship
[](/# MC // section mission)
Launch Weather Forecast
Forecast currently unavailable
[](/# MC // section landing)
[](/# MC // section resources)
Resources
Partnership with The Space Devs
Information on this thread is provided by and updated automatically using the Launch Library 2 API by The Space Devs.
Community content 🌐
| Link | Source |
|---|---|
| Flight Club | u/TheVehicleDestroyer |
| Discord SpaceX lobby | u/SwGustav |
| SpaceX Now | u/bradleyjh |
| SpaceX Patch List |
[](/# MC // section participate)
Participate in the discussion!
🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!
🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
💬 Please leave a comment if you discover any mistakes, or have any information.
✉️ Please send links in a private message.
✅ Apply to host launch threads! Drop us a modmail if you are interested.
[](/# MC // section END)
[](/# MC // let time = 1719486840000) [](/# MC // let launch = falcon-9-block-5-starlink-group-10-3) [](/# MC // let video = amUJ5pIfoaw)
11:04 UTC
Inside Starfactory with Elon Musk [Tour w/ Everyday Astronaut Pt 1]
14:11 UTC
r/SpaceX Starlink 9-2 Official Launch Discussion & Updates Thread!
[](/# MC // section intro)
Welcome to the r/SpaceX Starlink 9-2 Official Launch Discussion & Updates Thread!
Welcome everyone!
[](/# MC // AUTO)
| Scheduled for (UTC) | Jun 24 2024, 03:47:00 |
|---|---|
| Scheduled for (local) | Jun 23 2024, 20:47:00 PM (PDT) |
| Launch Window (UTC) | Jun 24 2024, 03:47:00 - Jun 24 2024, 07:41:00 |
| Payload | Starlink 9-2 |
| Customer | SpaceX |
| Launch Weather Forecast | Unknown |
| Launch site | SLC-4E, Vandenberg SFB, CA, USA. |
| Booster | B1075-11 |
| Landing | The Falcon 9 first stage B1075 has landed on ASDS OCISLY after its 11th flight. |
| Mission success criteria | Successful deployment of spacecrafts into orbit |
| Trajectory (Flight Club) | 2D,3D |
[](/# MC // section events)
Timeline
| Time | Update | |
|---|---|---|
| [](/# MC // row 0) T--1d 0h 2m | Thread last generated using the LL2 API | |
| [](/# MC // row 1) 2024-06-24T04:51:23Z | Launch success. | |
| [](/# MC // row 2) 2024-06-24T03:47:27Z | Liftoff. | |
| [](/# MC // row 3) 2024-06-24T03:38:58Z | Unofficial Re-stream by SPACE AFFAIRS has started | |
| [](/# MC // row 4) 2024-06-23T18:18:58Z | Tweaked T-0. | |
| [](/# MC // row 5) 2024-06-21T22:39:05Z | GO for launch. | |
| [](/# MC // row 6) 2024-02-08T07:27:41Z | Added launch. | |
| [](/# MC // row 7) 2024-06-19T02:26:23Z | Targeting NET June 24 UTC per NOTAMs R0139/24. |
[](/# MC // section viewing)
Watch the launch live
| Stream | Link |
|---|---|
| Unofficial Re-stream | The Space Devs |
| Unofficial Re-stream | SPACE AFFAIRS |
| Unofficial Webcast | Spaceflight Now |
| Official Webcast |
[](/# MC // section stats)
Stats
☑️ 378th SpaceX launch all time
☑️ 324th Falcon Family Booster landing
☑️ 95th landing on OCISLY
☑️ 280th consecutive successful Falcon 9 launch (excluding Amos-6) (if successful)
☑️ 66th SpaceX launch this year
☑️ 21st launch from SLC-4E this year
☑️ 5 days, 0:07:00 turnaround for this pad
Stats include F1, F9 , FH and Starship
[](/# MC // section mission)
Launch Weather Forecast
Forecast currently unavailable
[](/# MC // section landing)
[](/# MC // section resources)
Resources
Partnership with The Space Devs
Information on this thread is provided by and updated automatically using the Launch Library 2 API by The Space Devs.
Community content 🌐
| Link | Source |
|---|---|
| Flight Club | u/TheVehicleDestroyer |
| Discord SpaceX lobby | u/SwGustav |
| SpaceX Now | u/bradleyjh |
| SpaceX Patch List |
[](/# MC // section participate)
Participate in the discussion!
🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!
🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
💬 Please leave a comment if you discover any mistakes, or have any information.
✉️ Please send links in a private message.
✅ Apply to host launch threads! Drop us a modmail if you are interested.
[](/# MC // section END)
[](/# MC // let time = 1719200820000) [](/# MC // let launch = falcon-9-block-5-starlink-group-9-2) [](/# MC // let video = ATm5n30lX74)
03:45 UTC
r/SpaceX GOES-U Official Launch Discussion & Updates Thread!
[](/# MC // section intro)
Welcome to the r/SpaceX GOES-U Official Launch Discussion & Updates Thread!
Welcome everyone!
[](/# MC // AUTO)
| Scheduled for (UTC) | Jun 25 2024, 21:26 |
|---|---|
| Scheduled for (local) | Jun 25 2024, 17:26 PM (EDT) |
| Launch Window (UTC) | Jun 25 2024, 21:16 - Jun 25 2024, 23:16 |
| Payload | GOES-U |
| Customer | National Aeronautics and Space Administration |
| Launch Weather Forecast | 70% GO (Cumulus Cloud Rule, Anvil Cloud Rules, Surface Electric Fields Rule) |
| Launch site | LC-39A, Kennedy Space Center, FL, USA. |
| Center | B1087-1 |
| Booster | B1086-1 |
| Booster | B1072-1 |
| Landing | Sideboosters will return to launch site, center core expended |
| Mission success criteria | Successful deployment of spacecrafts into orbit |
| Trajectory (Flight Club) | 2D,3D |
[](/# MC // section events)
Timeline
| Time | Update | |
|---|---|---|
| [](/# MC // row 0) T--1d 0h 0m | Thread last generated using the LL2 API | |
| [](/# MC // row 1) 2024-06-26T03:12:34Z | Launch success with spacecraft solar arrays deployed. | |
| [](/# MC // row 2) 2024-06-26T01:57:31Z | Spacecraft separation. | |
| [](/# MC // row 3) 2024-06-25T21:26:22Z | Liftoff. | |
| [](/# MC // row 4) 2024-06-25T20:56:47Z | Weather 60% | |
| [](/# MC // row 5) 2024-06-25T20:34:23Z | Delayed by 10 minutes | |
| [](/# MC // row 6) 2024-06-25T20:12:56Z | Official Webcast by NASA has started | |
| [](/# MC // row 7) 2024-06-22T18:35:01Z | Weather 30% | |
| [](/# MC // row 8) 2024-05-09T23:48:48Z | Updated launch window. | |
| [](/# MC // row 9) 2024-03-26T15:36:06Z | NET June 25. | |
| [](/# MC // row 10) 2024-02-27T15:31:22Z | Delayed to NET May 2024. | |
| [](/# MC // row 11) 2024-01-18T00:14:56Z | NET April 30, 2024. | |
| [](/# MC // row 12) 2021-09-10T20:23:51Z | Added launch, NET April 2024 |
[](/# MC // section viewing)
Watch the launch live
| Stream | Link |
|---|---|
| Official Webcast | NASA |
| Unofficial Webcast | Spaceflight Now |
| Unofficial Webcast | NASASpaceflight |
[](/# MC // section stats)
Stats
☑️ 379th SpaceX launch all time
☑️ 281st consecutive successful Falcon 9 / FH launch (excluding Amos-6) (if successful)
☑️ 67th SpaceX launch this year
☑️ 13th launch from LC-39A this year
☑️ 32 days, 18:41:00 turnaround for this pad
Stats include F1, F9 , FH and Starship
[](/# MC // section mission)
Launch Weather Forecast
Forecast currently unavailable
[](/# MC // section landing)
[](/# MC // section resources)
Resources
Partnership with The Space Devs
Information on this thread is provided by and updated automatically using the Launch Library 2 API by The Space Devs.
Mission Details 🚀
| Link | Source |
|---|---|
| SpaceX mission website | SpaceX |
Community content 🌐
| Link | Source |
|---|---|
| Flight Club | u/TheVehicleDestroyer |
| Discord SpaceX lobby | u/SwGustav |
| SpaceX Now | u/bradleyjh |
| SpaceX Patch List |
[](/# MC // section participate)
Participate in the discussion!
🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!
🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
💬 Please leave a comment if you discover any mistakes, or have any information.
✉️ Please send links in a private message.
✅ Apply to host launch threads! Drop us a modmail if you are interested.
[](/# MC // section END)
[](/# MC // let time = 1719350760000) [](/# MC // let launch = falcon-heavy-goes-u) [](/# MC // let video = F4HH_fL7QVk)
21:19 UTC
Starbase Local Impact
17:39 UTC
r/SpaceX Astra 1P/SES-24 Official Launch Discussion & Updates Thread!
[](/# MC // section intro)
Welcome to the r/SpaceX Astra 1P/SES-24 Official Launch Discussion & Updates Thread!
Welcome everyone!
[](/# MC // AUTO)
| Scheduled for (UTC) | Jun 20 2024, 21:35 |
|---|---|
| Scheduled for (local) | Jun 20 2024, 17:35 PM (EDT) |
| Launch Window (UTC) | Jun 20 2024, 21:35 - Jun 21 2024, 00:24 |
| Payload | Astra 1P/SES-24 |
| Customer | |
| Launch Weather Forecast | 60% GO (Cumulus Cloud Rule, Anvil Rules, Lightning Rule) |
| Launch site | SLC-40, Cape Canaveral, FL, USA. |
| Booster | B1080-9 |
| Landing | The Falcon 9 booster B1080 has landed on ASDS JRTI after its 9th flight. |
| Mission success criteria | Successful deployment of spacecrafts into orbit |
| Trajectory (Flight Club) | 2D,3D |
[](/# MC // section events)
Timeline
| Time | Update | |
|---|---|---|
| [](/# MC // row 0) T--1d 0h 3m | Thread last generated using the LL2 API | |
| [](/# MC // row 1) 2024-06-21T01:50:25Z | Launch success. | |
| [](/# MC // row 2) 2024-06-20T22:13:15Z | Spacecraft separation confirmed. | |
| [](/# MC // row 3) 2024-06-20T21:37:30Z | Liftoff. | |
| [](/# MC // row 4) 2024-06-20T21:32:44Z | Unofficial Re-stream by SPACE AFFAIRS has started | |
| [](/# MC // row 5) 2024-06-19T20:36:37Z | Weather 60%, trending towards 40% at the end of the window | |
| [](/# MC // row 6) 2024-06-19T18:13:00Z | Delayed to June 20 due to weather. | |
| [](/# MC // row 7) 2024-06-19T02:21:38Z | Updated launch weather. | |
| [](/# MC // row 8) 2024-06-19T00:40:57Z | Tweaked T-0. | |
| [](/# MC // row 9) 2024-06-19T00:21:09Z | Scrubbed for the day due to high winds. | |
| [](/# MC // row 10) 2024-06-19T00:04:53Z | Unofficial Re-stream by SPACE AFFAIRS has started | |
| [](/# MC // row 11) 2024-06-18T20:59:43Z | Updating T-0 | |
| [](/# MC // row 12) 2024-06-18T20:25:48Z | Updating launch window | |
| [](/# MC // row 13) 2024-06-17T22:12:58Z | Setting GO | |
| [](/# MC // row 14) 2024-06-17T21:40:22Z | Weather 55% | |
| [](/# MC // row 15) 2024-06-14T05:52:55Z | Delay to June 18. | |
| [](/# MC // row 16) 2024-06-12T16:36:26Z | Updated launch window per marine navigation warnings. | |
| [](/# MC // row 17) 2024-06-09T07:25:57Z | Targeting June 17 | |
| [](/# MC // row 18) 2024-06-06T18:00:06Z | NET June 15. | |
| [](/# MC // row 19) 2024-05-28T02:36:52Z | Added launch pad. | |
| [](/# MC // row 20) 2024-05-22T08:21:36Z | NET June 10 | |
| [](/# MC // row 21) 2023-10-31T11:38:48Z | Added launch for NET summer 2024. |
[](/# MC // section viewing)
Watch the launch live
| Stream | Link |
|---|---|
| Unofficial Re-stream | The Space Devs |
| Unofficial Re-stream | SPACE AFFAIRS |
| Unofficial Webcast | Spaceflight Now |
| Unofficial Webcast | NASASpaceflight |
| Official Webcast |
[](/# MC // section stats)
Stats
☑️ 376th SpaceX launch all time
☑️ 322nd Falcon Family Booster landing
☑️ 85th landing on JRTI
☑️ 278th consecutive successful Falcon 9 launch (excluding Amos-6) (if successful)
☑️ 64th SpaceX launch this year
☑️ 30th launch from SLC-40 this year
☑️ 12 days, 19:39:00 turnaround for this pad
Stats include F1, F9 , FH and Starship
[](/# MC // section mission)
Launch Weather Forecast
Forecast currently unavailable
[](/# MC // section landing)
[](/# MC // section resources)
Resources
Partnership with The Space Devs
Information on this thread is provided by and updated automatically using the Launch Library 2 API by The Space Devs.
Community content 🌐
| Link | Source |
|---|---|
| Flight Club | u/TheVehicleDestroyer |
| Discord SpaceX lobby | u/SwGustav |
| SpaceX Now | u/bradleyjh |
| SpaceX Patch List |
[](/# MC // section participate)
Participate in the discussion!
🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!
🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
💬 Please leave a comment if you discover any mistakes, or have any information.
✉️ Please send links in a private message.
✅ Apply to host launch threads! Drop us a modmail if you are interested.
[](/# MC // section END)
[](/# MC // let time = 1718919300000) [](/# MC // let launch = falcon-9-block-5-astra-1pses-24) [](/# MC // let video = SBOGzEwsxyo)
21:37 UTC
r/SpaceX Starlink 9-1 Official Launch Discussion & Updates Thread!
[](/# MC // section intro)
Welcome to the r/SpaceX Starlink 9-1 Official Launch Discussion & Updates Thread!
Welcome everyone!
[](/# MC // AUTO)
| Scheduled for (UTC) | Jun 19 2024, 03:40:00 |
|---|---|
| Scheduled for (local) | Jun 18 2024, 20:40:00 PM (PDT) |
| Launch Window (UTC) | Jun 19 2024, 03:00:00 - Jun 19 2024, 06:36:00 |
| Payload | Starlink 9-1 |
| Customer | SpaceX |
| Launch Weather Forecast | 90% GO |
| Launch site | SLC-4E, Vandenberg SFB, CA, USA. |
| Booster | B1082-5 |
| Landing | The Falcon 9 first stage B1082 has landed on ASDS OCISLY after its fifth flight. |
| Mission success criteria | Successful deployment of spacecrafts into orbit |
| Trajectory (Flight Club) | 2D,3D |
[](/# MC // section events)
Timeline
| Time | Update | |
|---|---|---|
| [](/# MC // row 0) T--1d 0h 3m | Thread last generated using the LL2 API | |
| [](/# MC // row 1) 2024-06-19T04:52:10Z | Launch success. | |
| [](/# MC // row 2) 2024-06-19T03:40:24Z | Liftoff. | |
| [](/# MC // row 3) 2024-06-19T03:30:25Z | Unofficial Re-stream by SPACE AFFAIRS has started | |
| [](/# MC // row 4) 2024-06-19T03:00:48Z | Updated launch weather. | |
| [](/# MC // row 5) 2024-06-19T00:25:25Z | New T-0. | |
| [](/# MC // row 6) 2024-06-18T07:35:01Z | T-0 is accurate to the second | |
| [](/# MC // row 7) 2024-06-17T22:16:54Z | Setting GO | |
| [](/# MC // row 8) 2024-06-12T17:04:14Z | Slipped to NET June 19. | |
| [](/# MC // row 9) 2024-06-08T08:19:56Z | NET June 14 UTC per marine navigation warnings. | |
| [](/# MC // row 10) 2024-06-07T18:44:29Z | Targeting NET early June 13 UTC per NOTAMs A0945/24 & R0131/24. |
[](/# MC // section viewing)
Watch the launch live
| Stream | Link |
|---|---|
| Unofficial Re-stream | The Space Devs |
| Unofficial Re-stream | SPACE AFFAIRS |
| Unofficial Webcast | Spaceflight Now |
| Official Webcast |
[](/# MC // section stats)
Stats
☑️ 375th SpaceX launch all time
☑️ 321st Falcon Family Booster landing
☑️ 94th landing on OCISLY
☑️ 277th consecutive successful Falcon 9 launch (excluding Amos-6) (if successful)
☑️ 63rd SpaceX launch this year
☑️ 20th launch from SLC-4E this year
☑️ 10 days, 14:42:00 turnaround for this pad
Stats include F1, F9 , FH and Starship
[](/# MC // section mission)
Launch Weather Forecast
Forecast currently unavailable
[](/# MC // section landing)
[](/# MC // section resources)
Resources
Partnership with The Space Devs
Information on this thread is provided by and updated automatically using the Launch Library 2 API by The Space Devs.
Community content 🌐
| Link | Source |
|---|---|
| Flight Club | u/TheVehicleDestroyer |
| Discord SpaceX lobby | u/SwGustav |
| SpaceX Now | u/bradleyjh |
| SpaceX Patch List |
[](/# MC // section participate)
Participate in the discussion!
🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!
🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
💬 Please leave a comment if you discover any mistakes, or have any information.
✉️ Please send links in a private message.
✅ Apply to host launch threads! Drop us a modmail if you are interested.
[](/# MC // section END)
[](/# MC // let time = 1718768400000) [](/# MC // let launch = falcon-9-block-5-starlink-group-9-1) [](/# MC // let video = 7DhoGaC5CyY)
03:13 UTC
r/SpaceX Starlink 10-2 Official Launch Discussion & Updates Thread!
[](/# MC // section intro)
Welcome to the r/SpaceX Starlink 10-2 Official Launch Discussion & Updates Thread!
Welcome everyone!
[](/# MC // AUTO)
| Scheduled for (UTC) | Jun 23 2024, 17:15:00 |
|---|---|
| Scheduled for (local) | Jun 23 2024, 13:15:00 PM (EDT) |
| Launch Window (UTC) | Jun 23 2024, 17:15:00 - Jun 23 2024, 21:01:00 |
| Payload | Starlink 10-2 |
| Customer | SpaceX |
| Launch Weather Forecast | 70% GO (Cumulus Cloud Rule, Surface Electric Fields Rule, Anvil Cloud Rules) |
| Launch site | SLC-40, Cape Canaveral, FL, USA. |
| Booster | B1078-11 |
| Landing | The Falcon 9 first stage B1078 has landed on ASDS ASOG after its 11th flight. |
| Mission success criteria | Successful deployment of spacecrafts into orbit |
| Trajectory (Flight Club) | 2D,3D |
[](/# MC // section events)
Timeline
| Time | Update | |
|---|---|---|
| [](/# MC // row 0) T--1d 0h 0m | Thread last generated using the LL2 API | |
| [](/# MC // row 1) 2024-06-23T18:25:24Z | Launch success. | |
| [](/# MC // row 2) 2024-06-23T17:15:17Z | Liftoff. | |
| [](/# MC // row 3) 2024-06-23T17:06:25Z | Unofficial Webcast by SPACE AFFAIRS has started | |
| [](/# MC // row 4) 2024-06-22T21:55:01Z | T-0 is accurate to the second | |
| [](/# MC // row 5) 2024-06-22T15:17:17Z | Updated launch weather. | |
| [](/# MC // row 6) 2024-06-21T22:35:35Z | GO for launch. | |
| [](/# MC // row 7) 2024-06-20T11:56:31Z | NET June 23. | |
| [](/# MC // row 8) 2024-06-19T02:35:05Z | Slip due to delays with Astra 1P launch. | |
| [](/# MC // row 9) 2024-06-16T17:54:53Z | NET June 21 per marine navigation warnings. | |
| [](/# MC // row 10) 2024-06-15T13:38:30Z | No longer scheduled as the next Falcon 9 launch from Cape Canaveral. | |
| [](/# MC // row 11) 2024-06-14T21:32:16Z | Launch abort, next attempt TBD | |
| [](/# MC // row 12) 2024-06-14T20:58:31Z | Unofficial Webcast by SPACE AFFAIRS has started | |
| [](/# MC // row 13) 2024-06-14T20:17:14Z | New T-0. | |
| [](/# MC // row 14) 2024-06-14T17:20:09Z | Tweaked T-0. | |
| [](/# MC // row 15) 2024-06-14T01:26:00Z | Updated launch weather. | |
| [](/# MC // row 16) 2024-06-14T00:38:18Z | Launch time is to the second. | |
| [](/# MC // row 17) 2024-06-14T00:23:28Z | Scrubbed for the day. | |
| [](/# MC // row 18) 2024-06-13T23:42:45Z | Delayed to 00:30 UTC. | |
| [](/# MC // row 19) 2024-06-13T21:17:09Z | Updating T-0 | |
| [](/# MC // row 20) 2024-06-13T19:13:30Z | Updating T-0 | |
| [](/# MC // row 21) 2024-06-13T16:18:57Z | Updated launch window. | |
| [](/# MC // row 22) 2024-06-12T21:07:43Z | Updated launch weather. | |
| [](/# MC // row 23) 2024-06-12T20:16:09Z | Standing down, delayed to June 13th | |
| [](/# MC // row 24) 2024-06-12T17:01:19Z | New T-0. | |
| [](/# MC // row 25) 2024-06-12T16:42:18Z | New T-0. | |
| [](/# MC // row 26) 2024-06-12T01:27:17Z | GO for launch. | |
| [](/# MC // row 27) 2024-06-11T17:33:58Z | Updated launch time. | |
| [](/# MC // row 28) 2024-06-11T15:19:25Z | Weather 5% | |
| [](/# MC // row 29) 2024-06-07T13:59:52Z | Delayed to June 12 | |
| [](/# MC // row 30) 2024-06-07T11:41:53Z | Added launch per marine navigation warnings. (Starlink Group no. from https://www.fly.faa.gov/adv/adv_spt.jsp) |
[](/# MC // section viewing)
Watch the launch live
| Stream | Link |
|---|---|
| Unofficial Re-stream | The Space Devs |
| Unofficial Webcast | SPACE AFFAIRS |
| Unofficial Webcast | Spaceflight Now |
| Unofficial Webcast | NASASpaceflight |
| Official Webcast |
[](/# MC // section stats)
Stats
☑️ 378th SpaceX launch all time
☑️ 324th Falcon Family Booster landing
☑️ 76th landing on ASOG
☑️ 280th consecutive successful Falcon 9 launch (excluding Amos-6) (if successful)
☑️ 65th SpaceX launch this year
☑️ 31st launch from SLC-40 this year
☑️ 2 days, 19:40:00 turnaround for this pad
Stats include F1, F9 , FH and Starship
[](/# MC // section mission)
Launch Weather Forecast
Forecast currently unavailable
[](/# MC // section landing)
[](/# MC // section resources)
Resources
Partnership with The Space Devs
Information on this thread is provided by and updated automatically using the Launch Library 2 API by The Space Devs.
Community content 🌐
| Link | Source |
|---|---|
| Flight Club | u/TheVehicleDestroyer |
| Discord SpaceX lobby | u/SwGustav |
| SpaceX Now | u/bradleyjh |
| SpaceX Patch List |
[](/# MC // section participate)
Participate in the discussion!
🥳 Launch threads are party threads, we relax the rules here. We remove low effort comments in other threads!
🔄 Please post small launch updates, discussions, and questions here, rather than as a separate post. Thanks!
💬 Please leave a comment if you discover any mistakes, or have any information.
✉️ Please send links in a private message.
✅ Apply to host launch threads! Drop us a modmail if you are interested.
[](/# MC // section END)
[](/# MC // let time = 1719162900000) [](/# MC // let launch = falcon-9-block-5-starlink-group-10-2) [](/# MC // let video = w9USPbx1MpI)
21:09 UTC
Flight 4 Slow Motion 4K Compilation [Everyday Astronaut / Cosmic Perspective]
16:08 UTC
Starship IFT4 Flight Data Analysis
I captured the Starship IFT4 telemetry using the same process as previously described, and created this graph that compares IFT2/3/4 accelerations and number of operating engines during stage separation. It shows that SpaceX has modified the ship engine startup sequence/ramp-up to reduce the amount of force that the exhaust applies to the booster.
The graph is a bit busy, apologies. The finely dotted, nearly horizontal line labelled as "Gravity Vector g" shows the acceleration due to gravity along the trajectory vector - this is pushing the remaining fuel in the booster towards the engines. If the booster acceleration drops below this line, the fuel will move away from the engines, which can potentially cause issues.
In IFT2, all 6 ship engines came on at once, and the resulting negative Boost g spike at ~T+166 likely contributed to the booster failure. In IFT3, they staggered the startup of the RVac and sea-level engines, and the negative g bump was reduced. For IFT4, they shortened the stagger timing, but were able to further reduce the pushback effect - perhaps they used a less aggressive throttle ramp up, or the design of the hot staging ring was modified to deflect the exhaust more efficiently. In any case, clearly SpaceX is improving with each iteration!
17:35 UTC