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载荷已部署入轨。
06:1109/15 CST▶ 直播
任务档案 · MISSION
Cygnus CRS-2 NG-23 (S.S. William “Willie” C. McCool)
SpaceX · 猎鹰 9 Block 5 · 40 号发射工位 (SLC-40)
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任务简介
这是诺斯罗普·格鲁曼公司无人货运飞船天鹅座的第23次飞行，也是根据与NASA签订的商业补给服务合同，其第22次飞往国际空间站。
原文
This is the 23rd flight of the Northrop Grumman's uncrewed resupply spacecraft Cygnus and its 22nd flight to the International Space Station under the Commercial Resupply Services contract with NASA.
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
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+01:12
最大动压点Max-Q
Maximum dynamic pressure
T+02:12
主发动机关机MECO
Cut-off of the main engine
T+02:16
二级分离Stage 2 Separation
Separation of the second stage from the first
T+02:24
二级发动机第一次启动SES-1
First start of the second engine
T+02:29
助推器返回点火Booster Boostback Burn Startup
Start of the booster boostback burn
T+02:52
整流罩分离Fairing Separation
Separation of the payload fairing
T+03:21
助推器返回关机Booster Boostback Burn Shutdown
End of the booster boostback burn
T+06:10
再入减速点火Entry Burn Startup
Start of the atmospheric entry burn
T+06:30
再入减速关机Entry Burn Shutdown
End of the atmospheric entry burn
T+07:21
一级着陆减速点火Stage 1 Landing Burn
Start of the first stage landing burn
T+07:54
一级着陆Stage 1 Landing
Landing of the first stage
T+08:31
二级发动机第一次关机SECO-1
First cut-off of the second engine
T+14:33
载荷分离Payload Separation
Final deployment of the payload from the rocket
任务更新14 条
08:0409/15
Spacecraft in operation with solar arrays deployed.
↗ 链接06:2709/15
Spacecraft separation.
↗ 链接06:1209/15
Liftoff.
↗ 链接05:4909/15
Official Webcast by NASA has started
↗ 链接05:3009/15
Updated launch weather, 85% GO.
↗ 链接07:1109/14
Tweaked T-0.
↗ 链接21:4609/13
Weather is 75% favorable for launch.
↗ 链接04:2809/13
Updated launch weather, 70% GO.
↗ 链接06:5609/08
Tweaked T-0.
↗ 链接22:0409/05
Moved up to September 14.
↗ 链接10:5008/29
GO for launch.
↗ 链接21:3408/22
NET 15th September at 6 PM local from SLC-40
↗ 链接03:0004/26
NET mid-September.
↗ 链接08:1403/24
NET August 2025. (page SO-27)
↗ 链接