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16:0005/22 CST▶ 直播
任务档案 · MISSION
NROL-146
SpaceX · 猎鹰 9 Block 5 · 4E 号发射工位 (SLC-4E)
成功
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任务简介
为美国国家侦察局建造的侦察卫星星座的第一批卫星，由SpaceX和诺斯罗普·格鲁曼公司制造，提供成像及其他侦察能力。
原文
First 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.
飞行时间线 Flight Timeline19 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
自动倒数启动Startup
The onboard computer takes control over the countdown and runs last checks
T−01:00
燃料箱增压Tank Press
Fuel tanks are pressurized to flight levels
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+01:08
最大动压点Max-Q
Maximum dynamic pressure
T+02:27
主发动机关机MECO
Cut-off of the main engine
T+02:30
二级分离Stage 2 Separation
Separation of the second stage from the first
T+02:37
二级发动机第一次启动SES-1
First start of the second engine
T+03:02
整流罩分离Fairing Separation
Separation of the payload fairing
T+06:06
再入减速点火Entry Burn Startup
Start of the atmospheric entry burn
T+06:27
再入减速关机Entry Burn Shutdown
End of the atmospheric entry burn
T+07:51
一级着陆减速点火Stage 1 Landing Burn
Start of the first stage landing burn
T+08:13
一级着陆Stage 1 Landing
Landing of the first stage
任务更新11 条
19:0805/22
Launch success confirmed
↗ 链接16:0105/22
Liftoff.
↗ 链接15:4605/22
Unofficial Webcast by SPACE AFFAIRS has started
↗ 链接07:5205/21
GO for launch.
↗ 链接12:4905/20
NET May 22.
↗ 链接21:5005/18
NET May 21 per updated NOTAMs.
↗ 链接03:1105/17
GO for launch.
↗ 链接14:4705/15
Tweaked launch window per marine navigation warnings.
↗ 链接11:4805/14
Adding approximate launch time per marine navigation warnings.
↗ 链接07:3605/02
NET May 19.
↗ 链接17:2604/19
Added launch.
↗ 链接