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任务成功
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16:1011/30 CST▶ 直播
任务档案 · MISSION
NROL-126
SpaceX · 猎鹰 9 Block 5 · 4E 号发射工位 (SLC-4E)
成功
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任务简介
为国家侦察局建造的侦察卫星星座的第五批卫星，由SpaceX和诺斯罗普·格鲁曼公司制造，提供成像和其他侦察能力。 发射的22颗卫星中有20颗实际上是民用星链卫星。
原文
Fifth batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Office to provide imaging and other reconnaissance capabilities. 20 of the 22 satellites launched are actually civilian use Starlink satellites.
飞行时间线 Flight Timeline23 节点
T−38:00
加注决议通过GO for Prop Load
Launch director verifies go for propellant load
T−35:00
一级 LOX (液氧) 加注Stage 1 LOX Load
Start of liquid oxygen loading in the first stage
T−35:00
推进剂加注开始Prop Load
Start of propelland loading
T−16:00
二级 LOX (液氧) 加注Stage 2 LOX Load
Start of liquid oxygen loading in the second stage
T−07:00
发动机预冷Engine Chill
Start of engine chilling
T−01:00
燃料箱增压Tank Press
Fuel tanks are pressurized to flight levels
T−01:00
自动倒数启动Startup
The onboard computer takes control over the countdown and runs last checks
T−00:45
发射决议通过GO for Launch
Launch director verifies go for launch
T−00:03
点火Ignition
Start of the engine ignition sequence
T+00:00
升空Liftoff
First upwards movement of the rocket
T+01:06
最大动压点Max-Q
Maximum dynamic pressure
T+02:26
主发动机关机MECO
Cut-off of the main engine
T+02:29
二级分离Stage 2 Separation
Separation of the second stage from the first
T+02:36
二级发动机第一次启动SES-1
First start of the second engine
T+03:19
整流罩分离Fairing Separation
Separation of the payload fairing
T+06:14
再入减速点火Entry Burn Startup
Start of the atmospheric entry burn
T+06:36
再入减速关机Entry Burn Shutdown
End of the atmospheric entry burn
T+07:52
一级着陆减速点火Stage 1 Landing Burn
Start of the first stage landing burn
T+08:14
一级着陆Stage 1 Landing
Landing of the first stage
T+08:38
二级发动机第一次关机SECO-1
First cut-off of the second engine
T+54:41
二级发动机第二次启动SES-2
Second start of the second engine
T+54:45
二级发动机第二次关机SECO-2
Second cut-off of the second engine
T+01:01:49
载荷分离Payload Separation
Final deployment of the payload from the rocket