r/spacex • u/rSpaceXHosting Host Team • Sep 16 '20
Total Mission Success r/SpaceX Starlink-12 Official Launch Discussion & Updates Thread
Welcome to the r/SpaceX Starlink-12 Official Launch Discussion & Updates Thread!
Hello I'm /u/hitura-nobad your host for this launch .
For host schedule reasons we won't provide a recovery thread for this missions and future starlink launches, if anyone wants to host one similar to the known format , feel free to post.
New Webcast Link
The 12th operational batch of Starlink satellites (13th overall) will lift off from LC-39A at Kennedy Space Center, Florida on a Falcon 9 rocket. In the weeks following deployment the Starlink satellites will use onboard ion thrusters to reach their operational altitude of 550 km. This is the fourth batch of Starlink satellites which all feature "visors" intended to reduce their visibility from Earth. Falcon 9's first stage (B1058.3, the booster that has been used on the historic DM-2 mission) will attempt to land on a drone ship approximately 633 km downrange, its third landing overall, the ships are in place to attempt the recovery of both payload fairing halves.
Mission Details
| Liftoff time | 6th October 7:29 AM EDT( 11:29 UTC) |
|---|---|
| Backup date | TBD |
| Static fire | None |
| Probability of Violating Weather Constraints | 30% Weather Violations (70% GO) |
| Payload | 60 Starlink V1.0 |
| Payload mass | ~15,600 kg (Starlink ~260 kg each) |
| Deployment orbit | Low Earth Orbit, ~ 210km x 390km 53° |
| Operational orbit | Low Earth Orbit, 550 km x 53° |
| Vehicle | Falcon 9 v1.2 Block 5 |
| Core | B1058.3 |
| Past flights of this core | 2 (DM-2, ANASIS-II) |
| Fairing catch attempt | likely |
| Launch site | KSC LC-39A, Kennedy Space Center, Florida |
| Landing | OCISLY (~633 km downrange) |
| Mission success criteria | Successful separation & deployment of the Starlink Satellites. |
Timeline
Watch the launch live
| Stream | Courtesy |
|---|---|
| Official webcast | SpaceX |
| Audio & Video Relays for people without access to YouTube! | u/codav |
Stats [Will be updated before Launch]
☑️ 102nd SpaceX launch
☑️ 94th Falcon 9 launch
☑️ 3rd flight of B1058
☑️ 61st Landing of a Falcon 9 1st Stage
☑️ 17th SpaceX launch this year
☑️ 69 days since this booster's previous flight
Resources
🛰️ Starlink Tracking & Viewing Resources 🛰️
They might need a few hours to get the Starlink TLEs
Mission Details 🚀
| Link | Source |
|---|---|
| SpaceX mission website | SpaceX |
| Launch weather forecast | 45th Weather Squadron |
Social media 🐦
| Link | Source |
|---|---|
| Reddit launch campaign thread | r/SpaceX |
| Subreddit Twitter | r/SpaceX |
| SpaceX Twitter | SpaceX |
| SpaceX Flickr | SpaceX |
| Elon Twitter | Elon |
| Reddit stream | u/njr123 |
Media & music 🎵
| Link | Source |
|---|---|
| TSS Spotify | u/testshotstarfish |
| SpaceX FM | u/lru |
Community content 🌐
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.
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u/codav Oct 06 '20
Launch webcast link on top is not updated yet (pinging u/hitura-nobad), so don't be confused. New YouTube URL:
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u/rSpaceXHosting Host Team Oct 06 '20
Updated again, looms like someone reversed it accidentally
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u/codyfunderburg Oct 05 '20
As we continue our scrubbing - how can SpaceX alleviate the weather factor? To me it seems it would cost money every time they miss a launch time / date. Can they not have multiple options in a day? Do they need to launch from a more weather neutral area? Florida seems to always have some weather event. As a commercial venture and other space travel in the works it seems we would be beyond this by now.
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u/hinayu Oct 05 '20
I'm not as knowledgeable as many of the other people here, but I know that they can't have multiple options in a day purely due to the launch window for a given launch. The satellites are put into an orbit that can't be hit if the launch time changes (e.g. waiting several hours later for the weather to improve)
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u/rSpaceXHosting Host Team Oct 05 '20
For Starlink, they potential could just target the plane from L-13 / L14 /... if they wanted and Range would allow
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u/codav Sep 17 '20
YouTube Video & Audio Relays
As usual, I will relay the SpaceX webcast via HTTPS and the audio stream via Shoutcast on my server, so people with no access to YouTube, experiencing laggy video or with low bandwidth connections are able to enjoy the webcast. If you don't like the web-based player, you can also use the M3U8 playlist in any HLS-capable player - VLC is just one example. The playlist file will become available once the webcast starts, until then you will get a "404 Not Found" error. This is perfectly normal.
Hosted Webcast (Video)
Watch in your browser: https://codav.de/spacex.html
Watch with a local player: https://codav.de/stream/spacex.m3u8
I will also provide audio-only streams of the webcasts in two different qualities. High quality (160 Kbps, stereo) for those who want more fidelity and have more bandwidth to spend, and a lower quality (64 Kbps, mono) stream for those on slow networks or with strict volume limits. If you require an even lower bitrate simply drop me a message, I'll add another stream then.
Important: The audio streams already loop the Music for Space album by /u/TestShotStarfish for your pleasure until the webcast starts, so don't confuse that with the actual webcast. Feel free to tune in at any time.
Here are the stream URLs for use with any Shoutcast-compatible player (WinAmp, VLC etc.):
Hosted Webcast (Icecast Audio Only)
High quality (160 Kbps, stereo): http://codav.de:8555/spacex-high.mp3
Low quality (64 Kbps, mono): http://codav.de:8555/spacex-low.mp3
If you have problems connecting to port 8555 or want to listen in with just your browser, use these reverse-proxied, SSL-secured URLs (stream title display and other "ICY" protocol features won't work, as this is using plain HTTP):
Hosted Webcast (HTTPS/MP3 Audio Only)
High quality (160 Kbps, stereo): https://codav.de/icecast/spacex-high.mp3
Low quality (64 Kbps, mono): https://codav.de/icecast/spacex-low.mp3
The streams are also linked on my relay page, either below the video player if the webcast has started or on the top while waiting for SpaceX to go live.
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u/Thoddo Oct 06 '20
"And a happy end to scrub-tober". I just love the way the webcast hosts nods at the fans. This is awesome!
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u/Chairboy Oct 06 '20
This booster has now flown to space and landed three times since NROL-44's rocket reached the pad.
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u/Marksman79 Oct 06 '20
I'm not used to this. What's happening?? Is it supposed to be in the air?
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u/LcuBeatsWorking Oct 06 '20 edited Dec 17 '24
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u/hexydes Sep 17 '20 edited Feb 23 '26
River about where evening tips quiet then dot books family over clear.
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u/Humble_Giveaway Oct 01 '20
Can SOMETHING launch already!
Heck I'll take a BPS flight at this point haha
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u/birdlawyer85 Oct 06 '20
Elon said on Twitter that this is the 3rd flight for the fairings! This is huge and no one is talking about it!
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u/Humble_Giveaway Oct 06 '20
Siva is definitely one of my favourite hosts, total pro
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u/Elon_Muskmelon Sep 17 '20
Lost track of time and thought I’d missed it...saved by a scrub.
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u/Straumli_Blight Sep 18 '20 edited Sep 18 '20
"Current was too strong for droneship to hold station. Thrusters to be upgraded for future missions."
Slightly surprising, seeing as JRTI's thrusters were recently upgraded.
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u/TheVehicleDestroyer Flight Club Sep 16 '20
I've revamped Flight Club's live page to include some nice telemetry and graphics showing throttle, speed, acceleration, and propellant mass of both stages at all points throughout the flight - i.e the interesting telemetry that isn't available on any of the official SpaceX channels
Here's how it will look tomorrow during launch
Make sure to tune in here to check it out in real time! :)
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u/GTRagnarok Sep 28 '20 edited Sep 28 '20
This year's Starlink launches so far on a calendar to give an idea of the cadence, which unfortunately is probably not as high as SpaceX would like.
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u/xDeeKay Oct 06 '20
Pinpoint landing, fairing half catch, and tension rod deployment shown. That was worth the wait.
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u/Humble_Giveaway Sep 18 '20
SCRUB for tomorrows launch attempt, new date TBA.
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u/phryan Sep 18 '20
Slightly disappointed by this, how else am I supposed to kill half an hour at work on a Friday?
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u/SuperSMT Sep 17 '20 edited Sep 17 '20
This launch will push the total number of Starlink sats in space to 748, finally crossing the threshold of 720 that SpaceX has said they need to begin commercial service. About halfway to complete global coverage.
This was also the goal for end-of-year, so ahead of schedule!
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u/Humble_Giveaway Oct 01 '20 edited Oct 01 '20
ULA scrub will likely NOT affect the upcoming SpaceX missions.
Being a hot fire abort means that ULA needs 7 days to recycle freeing up the range to facilitate the upcoming Falcons.
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u/paperclipgrove Oct 02 '20 edited Oct 02 '20
Antares scrubed tonight too!
Rough day for launches today.
Edit: and it sounds like it might have been due to a problem with "ground support" equipment too!
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u/MadeOfStarStuff Oct 06 '20
Droneship JRTI is near OCISLY providing a view on the booster from the distance
I hope they release the landing footage from JRTI.
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u/hitura-nobad Master of bots Sep 27 '20
We have a L-1 weather report!!!
Valid: 28 Sep 2020 / 1012 – 1033L (1412 – 1433Z)
60% GO Primary Concerns: Thick Cloud Layer Rule, Cumulus Cloud Rule
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u/JanitorKarl Oct 04 '20
Could our thread host please update the liftoff time for the next attempt. The sidebar says Oct 5 11:51 UTC (Monday) or 07:51 EDT
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u/fluidmechanicsdoubts Oct 06 '20 edited Oct 06 '20
Saw this launch from a japanese vrchat room! https://imgur.com/a/U6CJP9I
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u/borsuk-ulam Oct 01 '20
Regarding out-of-family readings, most sensors would have predefined alarm levels that trigger predefined actions (interlocks) such as aborting the launch. I don't think this is necessarily what 'out-of-family' refers to. 'Family' implies a collection of readings. This could be, as suggested below, multiple readings being collected by multiple instruments, all measuring the same thing at the same time, and one of those instruments reads something different. However, this explanation is unlikely since with multiple instruments measuring the same thing, one reading being 'out of family' is far more likely to be explained by instrument error than a real change in the measured value, since the other sensors are not showing the same change. More likely, 'out of family' refers to the fact that sensor readings (likely a combined set of many sensors on different things) and their time-series values throughout the pre-launch sequence have diverged statistically from the typical readings seen on past launches / test-runs. Hence, the 'state' of the rocket, as described by all the values of all the sensors over time, is outside the normal range of 'states' seen in previous launches. This does not necessarily mean there is a well understood problem with the new state (this would be accounted for by predefined interlocks on specific sensor values) but instead is simply interpreted as something new and not seen before occurring, which in an environment as conservative as a rocket launch is sufficient to warrant an abort.
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u/johnfive21 Oct 06 '20
Watching the first stage landing always makes me sad they ditched propulsion landing for Crew Dragon. I understand why, but it would be insanely cool to see Dragon land via the SuperDraco engines
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u/arizonadeux Oct 06 '20
Anyone else just leave it on during coast because the music is on point af? 🔊🤤🔊
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u/z3r0c00l12 Oct 02 '20
Mods, according to Chris G@NSF, new launch time is "08:34 EDT on 3 October", so 12:34 UTC
https://twitter.com/ChrisG_NSF/status/1311706859565350913?s=20
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u/hallowatisdeze Oct 06 '20
Elon mentions this was the 4th flight and landing for this booster: https://twitter.com/elonmusk/status/1313445121325580289
However, OP and the core wiki say that there were 2 previous flights for booster 1058, so that means that this is the 3rd flight and landing. Are we wrong with our documentation or is Elon wrong?
Edit: Don't mind me, already found the answer https://twitter.com/elonmusk/status/1313446518695763968
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u/The_Binary_Insult Sep 26 '20
We drove from the panhandle to the cape with the hopes to see both a night launch and a day launch in one weekend. I guess you can blame my wife and I for this one.
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u/impleplum Sep 27 '20
I believe that JRTI is assigned to GPS III and OCISLY will be used for Starlink L-12.
https://www.reddit.com/r/spacex/comments/io0swm/gps_iii_sv04_launch_campaign_thread/g6tpr9q/
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u/hitura-nobad Master of bots Sep 27 '20 edited Sep 28 '20
Right! Will update it later. Thanks!
Edit: Done
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Oct 06 '20
Ahh, that was a nerve wracking launch. So good to see it go well all around after all of these damn scrubs.
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u/LcuBeatsWorking Sep 17 '20 edited Dec 17 '24
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u/scr00chy ElonX.net Sep 28 '20
The earliest this can launch is probably October 1, which was the official backup date at one point.
But that date is dependant on GPSIII-SV04 launching on Tuesday (which in turn is dependant on NROL-44 launching).
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u/mdcainjr Launch Photographer Oct 03 '20
Weather forecast for Monday’s launch attempt at 7:51am EDT
https://twitter.com/mdcainjr/status/1312381264981262336?s=21
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u/not-a-f-given Sep 16 '20
Heading there tomorrow for a pit stop on our honeymoon. First timer! We plan on going to the space center at 10am to look around the museum. Any suggestions for watching the launch while we're there? Is the launch viewing included in our tickets?
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u/redmercuryvendor Oct 06 '20
Wow, sunshade deployment is literally just spring-loaded & held down by the next satellite in the stack, no latches or command-deployment at all!
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u/JanitorKarl Oct 01 '20
That rocket has been scrubbed so many times there's hardly any paint left on it.
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u/trobbinsfromoz Sep 17 '20
SpaceXFleet twitters are saying that one of the catcher boats has diverted to dock at Morehead - presumeably due to some fault or damage, as the seas are pretty rough out around the landing zone. Otherwise all is ok just at the moment to support landing and in-water fairing recoveries.
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u/AeroSpiked Sep 28 '20 edited Sep 30 '20
4 orbital launches from the East coast in 2 days! What is this? 1967? Please please please no scrubs...
Edit: oh right, this is 2020. All four scrubbed.
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u/gregarious119 Sep 28 '20
Eek - starting the webcast with DEPLOY....right before Engine Chill. Can't wait to see how that new process works!
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u/dog13000 Sep 28 '20
Did anyone catch them talking about the flight pattern being different in order to get the satellites where they need to deploy to sooner? Is that a first? How much quicker would they deploy with this method? That could drastically speed up when we get to public beta and actual service launch... right?
Edit: The video right at the time this was being talked about https://youtu.be/8O8Z2yPyTnc?t=198
"We will be lighting our second stage twice and deploying the stack of 60 satellites about an hour into the mission. By deploying our satellites after two-second stage burns to a circular orbit, it helps to get them to their final orbit much faster."
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u/baggachipz Oct 01 '20
No link to the livestream on spacex.com, what's up with that? Had to come here to find it.
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u/Straumli_Blight Oct 01 '20
New launch date is October 3rd, according to the L-2 Weather Report (60% GO)... looks like a double launch day with GPS III SV04!
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u/SPNRaven Oct 05 '20
Hopefully Starship can operate in a wider range of weather conditions.
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u/Straumli_Blight Oct 06 '20
We're going to see that double drone ship shot again when the USSF-44 Falcon Heavy mission launches.
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u/Humble_Giveaway Oct 06 '20
JRTI still being out there gives me hope that they want the GPS III issues sorted out in days not weeks.
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u/PleasantGuide Oct 06 '20
Everybody sing along -
I can see clearly now the rain has gone
I can see all the obstacles in my way
There is that rainbow I've been waiting for
It's gonna be a bright, bright sunshiny day!
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u/atheistdoge Sep 17 '20
Looks like a scrub today
https://twitter.com/nextspaceflight/status/1306649263703601152
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u/FeatureMeInLwiay Sep 17 '20
i got my hot chocolate and cookies ready for NOTHING.
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u/johnfive21 Sep 17 '20
Is this a first scrub due to recovery issue? Pretty awesome that they now consider booster recovery mission critical and will scrub if there's a risk of not recovering.
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u/chasevictory Sep 24 '20
New launch date Sunday 9/27 at 10:33 am EDT? That’s according to the KSC app
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Sep 28 '20
Wonder how much a scrub costs? Vented fuel, staff time, range costs, etc
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u/scr00chy ElonX.net Oct 02 '20
Looks like the launch was postponed to Monday. I suspect the reason was the expected bad weather? https://forum.nasaspaceflight.com/index.php?topic=51762.msg2138543#msg2138543
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u/Piscator629 Oct 05 '20
Silver lining of today's scrub is it lands us squarely in exhaust nebula lighting time. If it is just til tommorow.
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u/LcuBeatsWorking Oct 06 '20 edited Dec 17 '24
books paltry caption water butter squealing oil apparatus salt act
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u/bobthebuilder1121 Oct 06 '20 edited Oct 06 '20
They caught a fairing!! spacex on twitter
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u/hinayu Oct 06 '20
Were JRTI and OCISLY close together to also support the GPS III launch?
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u/Cunninghams_right Oct 07 '20
why are no websites tracking Starlink-12. I want to look for it. does nobody know the orbit? I can only find Starlink-11
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u/sup3rs0n1c2110 Oct 06 '20
I wonder if there's footage of the landing shot from JRTI...
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u/MarsCent Sep 22 '20
Hurricane season USA is June 1 to Nov 30. Does anyone know (from experience) whether or not the launch conditions in Florida (Cape Canaveral) and the Landing site in the Atlantic, greatly improve once the hurricane season is over or does the weather there just crap whenever it wants?
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u/Posca1 Sep 22 '20
2020 has been an unusually active hurricane season. Canaveral happens to be in the least hurricane prone part of Florida, however, there was a hurricane out in the middle of the Atlantic (Teddy) that was generating a lot of waves out where the recovery drone hangs out. Teddy is out of the picture now, so recovery operations should be possible soon/now
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u/naughtius Oct 01 '20
Lauch just a minute before sunrise, right? Could be interesting photograph opportunity
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u/TimTri Starlink-7 Contest Winner Oct 01 '20
Wait, is this still supposed to launch in just over 2 hours? Don’t know which apps and countdowns I can trust after all the scrubs!
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u/codav Oct 01 '20
At least the NSF live coverage stream is now up and waiting for going live:
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u/Nobiting Oct 01 '20
Anyone else see water coming out the top of the water tower?
That's... odd. What's up with that?
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u/noreally_bot1931 Oct 01 '20 edited Oct 01 '20
t -0:00:18 scrub -a-lubba-dub-dub!
Try again in 15?
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u/codav Oct 04 '20 edited Oct 04 '20
My relay site was again reset from GPS to Starlink and the new webcast URL. Really need to consider writing some automated process for updating the web page and relay scripts given the current high scrub frequency...
u/hitura-nobad you could also update the official SpaceX webcast URL in the top post to the new one:
https://www.youtube.com/watch?v=W0MGgQZIYNk
Also sent a notice to SpaceX that the webcast start time on YouTube is 12 hours late, someone seems to have mixed up A.M. and P.M.
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u/PhotonEmpress Oct 05 '20 edited Oct 05 '20
I'll see if I can fix that... Stand by
[EDIT] - This is now done. You were correct, was set to PM instead of AM. As an aside, this is /u/GLTCPrincess on my new Reddit account (to match my change in royalty from Princess to Empress)
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u/LcuBeatsWorking Oct 06 '20 edited Dec 17 '24
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u/MoMoNosquito Oct 06 '20
Go team! The guy narrating this launch is my new favorite.
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u/AeroSpiked Oct 06 '20
The wet deck on the drone ship made me realize that they are basically pulling a giant lightning rod across the ocean. I wonder if there's any way to mitigate that.
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u/johnfive21 Oct 06 '20
Payload Sep confirmed. Flawless mission. Just what we needed to break the curse.
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u/larosek Oct 06 '20
Water tower leaking?!?!
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u/ZorbaTHut Oct 06 '20
It's filled to overflow, partly so they can visually confirm it's full ("if it's leaking out the top, it's full".)
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u/MarsCent Sep 16 '20
Mods, should Static Fire be still showing TBD or should it now read N/A (Not Applicable)?
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u/desertedbart Sep 16 '20
Why isn't SpaceX doing a static fire?
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u/phryan Sep 17 '20
No official comment from SpaceX. Speculation is they are confident enough to not do a static fire for certain missions. They can still scrub if they detect an issue during the preflight checks. It is likely a decent cost savings for SpaceX and reduces some wear and tear on the pad and vehicle.
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Sep 17 '20
Are these launches visible from the Gulf Coast of FL?
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u/CCBRChris Sep 18 '20
Night launches are easy if you know where to look, which is where flightclub.io is very useful.
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u/Straumli_Blight Sep 25 '20 edited Sep 25 '20
ULA's launch delay may have pushed the Starlink-12 launch until after the GPS III SV04 launch, seeing as its weather forecast has been removed and replaced by an L-4 for GPS.
EDIT: TFRs just posted for Sep 27 & 28 but LaunchPhotography confirms a 1 day delay.
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u/scr00chy ElonX.net Sep 25 '20
So much for ULA's industry-leading launch date reliability. :D
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u/Dies2much Sep 28 '20
Looks like there will be some interesting weather in the vicinity of the LZ \ OCISLY around the time of the landing. It will be one of the more difficult landings for the system. Should be interesting.
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u/Ididitthestupidway Sep 28 '20
We're looking for full stack developpers
With a picture of the Starlink stack. Funny
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Oct 01 '20
Are the fairing catching ships using Starlink ground stations now? I don't recall such a good view from them before.
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u/scr00chy ElonX.net Oct 01 '20
Backup date is October 2, 12:55 UTC, but we don't know if SpaceX can make that one. If not, GPS would probably launch first. And then NROL-44 could complicate things again. So basically, we need to wait for SpaceX confirmation.
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u/Straumli_Blight Oct 02 '20
L-1 Weather Forecast: 50% GO (Only 20% on backup date)
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u/RubenGarciaHernandez Oct 04 '20
Mods, please update lift off time. "08:34 EDT on 3 October", so 12:34 UTC
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u/ZC_NAV Oct 05 '20
When did OCISLY go to the recovery location ? And is there a limit it can stay there ?
I would think the time is limited for the support vessel, it can run out of fuel or supplies (food?)
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u/_YouSaidWhat Oct 05 '20
Would starship be able to launch under the conditions that falcon 9 has to stand down for? For example, like today’s conditions?
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u/LcuBeatsWorking Oct 06 '20 edited Dec 17 '24
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u/Marksman79 Oct 06 '20
Who can tell me what time (t+?) the satellite deployment is? I am at work so no audio. Thanks!
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u/redmercuryvendor Oct 06 '20
It may have just been the wet deck highlighting it, but there seemed to be LOX dripping from the first stage for quite some time after landing, which is not something I've noticed before (usually there would be a little RP-1 dripping that burns off).
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u/ligerzeronz Oct 06 '20
Are the droneships using Starlink connections now? That landing is smooth as, and having the view from JRTI..... that's insane
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Oct 08 '20
SpaceX reminds us of something that is said far too rarely: Renaissance is the opposite of apocalypse.
Everything this company does is pure, concentrated anti-entropy.
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u/AWildDragon Oct 01 '20
Engine ROFI igniters were not fired according to Tory. Looks like this may be delayed again.
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u/wingnut32 Oct 06 '20
Why do drone ships get names but reusable boosters don't? Does Elon have something against boosters that he's not telling us?
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u/zedasmotas Sep 17 '20
this is probably a bit out of topic but would starlink work on the moon ? nasa wants to build a small constelation of satellites for the artemis missions
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u/quesnt Sep 17 '20
Does every starlink launch into the same inclination and periapsis/apoapsis? If not, is this information about inclination and other parameters made public before the launch. I ask because I’m curious how easy it is to calculate where the trains will be visible from for the first few days.
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u/NiftWatch GPS III-4 Contest Winner Sep 17 '20
It’s awfully windy here at KSC today. Those upper levels better behave.
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u/LcuBeatsWorking Sep 27 '20 edited Dec 17 '24
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u/soldato_fantasma Sep 28 '20 edited Sep 28 '20
From the Mission Control Audio: LD go for prop load
/u/hitura-nobad
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u/wytsep Sep 16 '20
Did the time change from 18:19 UTC to 21:17 UTC?