任务档案 · MISSION

Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson)

SpaceX · 猎鹰 9 Block 5 · 40 号发射工位 (SLC-40)

成功

任务成功

▶ 观看直播

任务简介

这是轨道ATK公司的无人补给飞船天鹅座的第20次飞行，也是根据与美国国家航空航天局（NASA）的商业补给服务合同，前往国际空间站的第19次飞行。

原文

↗ SpaceX ↗ NASA Commercial Resupply Mission NG-20

This is the 20th flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 19th 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+01:07

最大动压点Max-Q

Maximum dynamic pressure

T+02:16

主发动机关机MECO

Cut-off of the main engine

T+02:20

二级分离Stage 2 Separation

Separation of the second stage from the first

T+02:27

二级发动机第一次启动SES-1

First start of the second engine

T+02:33

助推器返回点火Booster Boostback Burn Startup

Start of the booster boostback burn

T+02:55

整流罩分离Fairing Separation

Separation of the payload fairing

T+03:22

助推器返回关机Booster Boostback Burn Shutdown

End of the booster boostback burn

T+06:38

再入减速点火Entry Burn Startup

Start of the atmospheric entry burn

T+06:55

再入减速关机Entry Burn Shutdown

End of the atmospheric entry burn

T+07:50

一级着陆减速点火Stage 1 Landing Burn

Start of the first stage landing burn

T+08:15

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+14:40

飞船释放Cygnus

Deployment of the Cygnus spacecraft from the rocket

任务更新16 条

04:3501/31

Cosmic_Penguin · 01/30

Launch success.