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#20 by FutureSpaceTourist on 27 Oct, 2017 13:06
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Weather forecast looking good, at least 90% GO:Quote
Launch day probability of violating launch weather constraints: <10%
Primary concern(s): Liftoff Winds
Delay day probability of violating launch weather constraints: 10%
Primary concern(s): Cumulus Cloud Rule
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#21 by Scylla on 27 Oct, 2017 13:13
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Another view of static fire.
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#22 by FutureSpaceTourist on 28 Oct, 2017 17:48
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Weather forecast issued on L-2 basically unchanged, still at least 90% GO:Quote
Launch day probability of violating launch weather constraints: <10%
Primary concern(s): Liftoff Winds
Delay day probability of violating launch weather constraints: 10%
Primary concern(s): Cumulus Cloud Rule
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#23 by ChrisGebhardt on 29 Oct, 2017 14:36
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No change to launch weather forecast.
Less than a 10% chance of violating Falcon 9 launch weather commit criteria on Monday.
10% chance of violation in the event of a 24 scrub/delay to Tuesday.
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#24 by ChrisGebhardt on 29 Oct, 2017 17:07
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Hearing that Falcon 9 is on her way up the ramp at 39A.
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#25 by FutureSpaceTourist on 29 Oct, 2017 20:24
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Quote
SpaceX #Falcon9 sitting horizontal on Launch Complex 39A in preparation for tomorrow 3:34PM launch.
https://twitter.com/nasa_nerd/status/924721635860598784
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#26 by FutureSpaceTourist on 29 Oct, 2017 20:28
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Quote
Falcon 9 on Launch Complex 39A taken for the Apollo Saturn Center
https://twitter.com/nasa_nerd/status/924734675377147905
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#27 by FutureSpaceTourist on 29 Oct, 2017 23:06
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Quote
SpaceX’s Falcon 9 rocket was raised vertical at the Kennedy Space Center this evening ahead of launch tomorrow. spaceflightnow.com/2017/10/29/vid…
https://twitter.com/SpaceflightNow/status/924789034563416064
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#28 by ZachS09 on 30 Oct, 2017 02:22
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#29 by tvg98 on 30 Oct, 2017 02:43
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The press kit's been released.
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#30 by SmallKing on 30 Oct, 2017 02:54
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#31 by FutureSpaceTourist on 30 Oct, 2017 05:24
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SpaceX photos
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#32 by vanoord on 30 Oct, 2017 08:58
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Timings from the press kit - http://www.spacex.com/sites/spacex/files/koreasat5apresskit.pdf
The primary launch window opens on Monday, October 30 at 3:34 p.m. EDT, or 19:34 UTC and closes at 5:58 p.m. EDT, or 21:58 UTC.
A backup launch window opens on Tuesday, October 31 at 3:34 p.m. EDT, or 19:34 UTC and closes at 5:58 p.m. EDT, or 21:58 UTC.
Mission Timeline (all times approximate)
COUNTDOWN Hour/Min/Sec Events
- 01:13:00 SpaceX Launch Director verifies go for propellant load
- 01:10:00 RP-1 (rocket grade kerosene) loading underway
- 00:35:00 LOX (liquid oxygen) loading underway
- 00:07:00 Falcon 9 begins engine chill prior to launch
- 00:01:00 Flight computer commanded to begin final prelaunch checks
- 00:01:00 Propellant tank pressurization to flight pressure begins
- 00:00:45 SpaceX Launch Director verifies go for launch
- 00:00:03 Engine controller commands engine ignition sequence to start
- 00:00:00 Falcon 9 liftoff
LAUNCH, LANDING AND SATELLITE DEPLOYMENT Hour/Min/Sec Events
00:01:16 Max Q (moment of peak mechanical stress on the rocket)
00:02:33 1st stage main engine cutoff (MECO)
00:02:36 1st and 2nd stages separate
00:02:38 2nd stage engine starts
00:03:40 Fairing deployment
00:06:22 1st stage entry burn
00:08:32 2nd stage engine cutoff (SECO-1)
00:08:35 1st stage landing 00:26:45 2nd stage engine restarts
00:27:52 2nd stage engine cutoff (SECO-2)
00:35:38 Koreasat-5A satellite deployment
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#33 by Chris Bergin on 30 Oct, 2017 11:01
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William Graham's launch preview article!
https://www.nasaspaceflight.com/2017/10/falcon-9-koreasat-5a-nasa-approves-flown-boosters/ -
#34 by FutureSpaceTourist on 30 Oct, 2017 11:04
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#KoreaSat5A sitting atop the #SpaceX #Falcon9 rocket, seen at dawn at LC39A. Launch window opens at 3:34p (ET) today; weather looks good.
https://twitter.com/Mike_Seeley/status/924965790318841856
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#35 by FutureSpaceTourist on 30 Oct, 2017 11:50
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Usual excellent shots and close-ups from Robin Seemangal:Quote
Brisk morning here at #SpaceX LC-39A! Liftoff of the Falcon 9 from Kennedy Space Center with Koreasat-5A is at 3:34PM ET. OCISLY landing!
https://twitter.com/nova_road/status/924978644069515264
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#36 by FutureSpaceTourist on 30 Oct, 2017 14:13
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Today’s launch weather forecast is unchanged from the one issued yesterday, still at least 90% GO:Quote
Launch day probability of violating launch weather constraints: <10%
Primary concern(s): Liftoff Winds
Delay day probability of violating launch weather constraints: 10%
Primary concern(s): Cumulus Cloud Rule
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#37 by ChrisGebhardt on 30 Oct, 2017 16:58
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CE is starting technical poll with the Falcon 9 team is in work for preps for propellant load.
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#38 by ChrisGebhardt on 30 Oct, 2017 17:04
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T-90mins and counting.
All is proceeding well at this time toward the start of fueling at T-70mins. -
#39 by ChrisGebhardt on 30 Oct, 2017 17:15
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Current weather:
Temp: 63 F
Winds: SSE @ 4mph
Humidity: 33%
Conditions: Clear