任务档案 · MISSION

OTV-8 (X-37B) (USSF-36)

SpaceX · 猎鹰 9 Block 5 · 39A 号发射工位 (LC-39A)

成功

任务成功

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任务简介

X-37B 计划的第八次飞行。 X-37B 是一种动态响应的航天器，负责进行一系列测试和实验，以加速开发可重复使用空间能力的关键下一代技术和作战概念。 OTV-8 任务在低地球轨道进行，包括下一代技术的运行演示和实验，例如激光通信以及有史以来在太空中测试的性能最高的战略级量子惯性传感器。任务合作伙伴分别包括空军研究实验室和国防创新单元。

原文

↗ SpaceX

Eighth flight of the X-37B program. The X-37B is a dynamic and responsive spacecraft responsible for conducting a range of tests and experiments that expedite the development of critical next-generation technologies and operational concepts for reusable space capabilities. The OTV-8 mission in Low Earth Orbit includes operational demonstrations and experiments of next-generation technologies, including laser communications and the highest performing strategic grade quantum inertial sensor ever tested in space. Mission partners include the Air Force Research Lab and the Defense Innovation Unit, respectively.

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

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+01:12

最大动压点Max-Q

Maximum dynamic pressure

T+02:14

主发动机关机MECO

Cut-off of the main engine

T+02:18

二级分离Stage 2 Separation

Separation of the second stage from the first

T+02:25

二级发动机第一次启动SES-1

First start of the second engine

T+02:31

助推器返回点火Booster Boostback Burn Startup

Start of the booster boostback burn

T+02:46

整流罩分离Fairing Separation

Separation of the payload fairing

T+03:16

助推器返回关机Booster Boostback Burn Shutdown

End of the booster boostback burn

T+06:53

再入减速点火Entry Burn Startup

Start of the atmospheric entry burn

T+07:18

再入减速关机Entry Burn Shutdown

End of the atmospheric entry burn

T+08:08

一级着陆减速点火Stage 1 Landing Burn

Start of the first stage landing burn

T+08:40

一级着陆Stage 1 Landing

Landing of the first stage

任务更新9 条

22:3508/22

hitura-nobad · 08/22

Launch successfull.

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15:3908/22

Cosmic_Penguin · 08/22

Spacecraft separation.

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11:5008/22

hitura-nobad · 08/22

Liftoff!

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11:1908/22

Cosmic_Penguin · 08/22

Updated launch weather, 90% GO.

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00:5608/21

Cosmic_Penguin · 08/20

Updated launch weather, 65% GO at start of window (80% GO at end).

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08:5008/20

Cosmic_Penguin · 08/20

GO for launch.

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08:4808/18

Cosmic_Penguin · 08/18

Refined launch window.

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15:2908/17

Cosmic_Penguin · 08/17

Added tentative launch window.

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21:5007/28

Cosmic_Penguin · 07/28

NET August 21.

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