任务档案 · MISSION

USSF-366

SpaceX · 猎鹰 9 Block 5 · B1088 · 4E 号发射工位 (SLC-4E)

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任务简介

可能是一批基于SpaceX星盾卫星平台的美国政府部门机密低地球轨道卫星，依据火箭级落区位置与此前星链组15发射任务完全吻合。细节待定。

原文

↗ SpaceX

USSF-366 is a classified mission for the United States Space Force. It is possibly a batch of classified LEO satellites for a US government entity based on SpaceX’s Starshield satellite bus, based on locations of rocket stage drop zones being exact fits with previous Starlink Group 15 launches.

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

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

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+01:07

最大动压点Max-Q

Maximum dynamic pressure

T+02:25

主发动机关机MECO

Cut-off of the main engine

T+02:29

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+02:58

整流罩分离Fairing Separation

Separation of the payload fairing

T+06:01

再入减速点火Entry Burn Startup

Start of the atmospheric entry burn

T+06:25

再入减速关机Entry Burn Shutdown

End of the atmospheric entry burn

T+07:58

一级着陆减速点火Stage 1 Landing Burn

Start of the first stage landing burn

T+08:20

一级着陆Stage 1 Landing

Landing of the first stage

任务更新9 条

23:2708/16

Cosmic_Penguin · 08/16

Launch success.

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12:0708/16

Cosmic_Penguin · 08/16

Spacecraft separation.

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09:5108/16

Cosmic_Penguin · 08/16

Liftoff.

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09:3808/16

LL2 · 08/16

Unofficial Re-stream by SPACE AFFAIRS has started

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02:5808/16

Cosmic_Penguin · 08/16

Now targeting Aug 16 at 01:50 UTC

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00:3508/16

Cosmic_Penguin · 08/16

Now targeting Aug 15 at 23:47 UTC

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12:5808/15

hitura-nobad · 08/15

Now targeting Aug 15 at 21:54 UTC

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04:3908/11

Cosmic_Penguin · 08/11

GO for launch.

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03:3008/07

Cosmic_Penguin · 08/07

Added launch per NOTAMs; Payload identities very uncertain.

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