Sentinel-6A (Michael Freilich) – Falcon 9 (B1063.1) – Vandenberg SLC-4E – 21.11.2020 17:17 UTC

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11/21/2020 20:04 Stephen Clark

T-minus 16 minutes and counting. Liquid oxygen is now loading into the second stage. The Falcon 9 countdown is proceeding toward launch at 9:17 a.m. PST (12:17 p.m. EST; 1717 GMT).

[tnt22]

 Chris B - NSF @NASASpaceflight 8 мин. назад

T-20 minute vent, as per the usual good sign.

(0:10)

[tnt22]

 Falcon 9 Block 5 @Falcon9Block5 32 с

T-0:07:35
M1D Engines to TVC (Thrust Vector Control)
NULL Position
T-0:07:30
Engine Chill Readiness

[tnt22]

Началось захолаживание ДУ 1-й ст РН

[tnt22]

11/21/2020 20:10 Stephen Clark

T-minus 7 minutes and counting. Prevalves leading to the Falcon 9's Merlin 1D first stage engines are opening, permitting super-cold liquid oxygen to flow into the engines to condition the turbopumps for ignition.

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 Falcon 9 Block 5 @Falcon9Block5 10 с

T-0:04:45
Stage 2 Thrust Vector Control (TVC) Test

T-0:04:40
Stage 1 Helium Secured

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 Falcon 9 Block 5 @Falcon9Block5 28 с

T-0:04:00
Vehicle Release Auto Sequence Initiated

T-0:03:45
Stage 2 TVC Motions Complete

T-0:03:40
Ground Hydraulics Securing

[tnt22]

11/21/2020 20:13 Stephen Clark

The strongback umbilical tower is being lowered to angle of 13 degrees from the Falcon 9 to clear the rocket for launch. The procedure begins with opening of cradles gripping the rocket at attach points, then hydraulics lower the tower into position for liftoff.

[tnt22]

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 Falcon 9 Block 5 @Falcon9Block5 20 с

T-0:02:20
tStrongback Secure for Launch @88 .5°degrees

T-0:02:25
Mvac Bleed Valve Motions

T-0:02:05
Stage 2 LOX Secure at Flight Level (Latest)

[tnt22]

11/21/2020 20:16 Stephen Clark

Falcon 9 is on internal power.

[tnt22]

LAUNCH, LANDING, AND DEPLOYMENT
Hr:Mn:Sc	Event	PDT	UTC	ДМВ
00:00:00	Falcon 9 liftoff	09:17:08	17:17:08	20:17:08
00:01:01	Max Q (moment of peak mechanical stress on the rocket)	09:18:09	17:18:09	20:18:09
00:02:17	1st stage main engine cutoff (MECO)	09:19:25	17:19:25	20:19:25
00:02:21	1st and 2nd stages separate	09:19:29	17:19:29	20:19:29
00:02:28	2nd stage engine starts (SES-1)	09:19:36	17:19:36	20:19:36
00:02:50	Fairing deployment	09:19:58	17:19:58	20:19:58
00:06:55	1st stage entry burn complete	09:24:03	17:24:03	20:24:03
00:08:18	2nd stage engine cutoff (SECO-1)	09:25:26	17:25:26	20:25:26
00:08:19	1st stage landing	09:25:27	17:25:27	20:25:27
00:53:18	2nd stage engine starts (SES-2)	10:10:26	18:10:26	21:10:26
00:53:28	2nd stage engine cutoff (SECO-2)	10:10:36	18:10:36	21:10:36
00:53:29	Sentinel-6 deployment	10:10:37	18:10:37	21:10:37
	All Times Are Approximate

[tnt22]

Зажигание!

[Argo]

30sec

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Пуск!!!

 SpaceX @SpaceX 43 мин. назад

Liftoff!

(0:43)

[Argo]

Поехали

[tnt22]

Звуковой барьер

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MaxQ

[tnt22]

Выкл ДУ 1-й ст РН

[tnt22]

Отделение 1-й ст РН