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任务成功
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21:1912/17 CST▶ 直播
任务档案 · MISSION
NROL-149
SpaceX · 猎鹰 9 Block 5 · 4E 号发射工位 (SLC-4E)
成功
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任务简介
为国家侦察办公室建造的第六批侦察卫星星座，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
Sixth 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 Timeline21 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
推进剂加注开始Prop Load
Start of propelland loading
T−35:00
一级 LOX (液氧) 加注Stage 1 LOX Load
Start of liquid oxygen loading in the first stage
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+02:30
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+03:02
整流罩分离Fairing Separation
Separation of the payload fairing
T+06:10
再入减速点火Entry Burn Startup
Start of the atmospheric entry burn
T+06:29
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+08:02
一级着陆Stage 1 Landing
Landing of the first stage
T+08:43
二级发动机第一次关机SECO-1
First cut-off of the second engine
T+53:19
二级发动机第二次启动SES-2
Second start of the second engine
任务更新8 条
23:3312/17
Launch success.
↗ 链接21:1912/17
Liftoff!
↗ 链接21:1012/17
Unofficial Webcast by SPACE AFFAIRS has started
↗ 链接21:0712/17
Official Webcast by SpaceX has started
↗ 链接12:3412/17
GO for launch.
↗ 链接02:3512/14
Delayed to NET December 17.
↗ 链接11:3512/10
Targeting NET December 16.
↗ 链接14:5311/28
Added launch.
↗ 链接