任务档案 · MISSION

Amazon Leo (KF-02)

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

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任务简介

亚马逊 Kuiper 低地球轨道卫星互联网星座三发合同中的第二次发射，搭载 24 颗卫星。 Amazon Leo，原名 Project Kuiper，是一个位于低地球轨道的巨型卫星星座，将提供宽带互联网接入，该星座将由亚马逊子公司 Kuiper Systems LLC 管理。该星座计划由 3,276 颗卫星组成。卫星预计将部署在三个轨道层的 98 个轨道平面上，高度分别为 590 公里、610 公里和 630 公里。

原文

↗ SpaceX

Second of a three launches contract for Amazon's Kuiper low Earth orbit satellite internet constellation, with 24 satellites on board. Amazon Leo, formerly known as Project Kuiper, is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access, this constellation will be managed by Kuiper Systems LLC, a subsidiary of Amazon. This constellation is planned to be composed of 3,276 satellites. The satellites are projected to be placed in 98 orbital planes in three orbital layers, one at 590 km, 610 km and 630 km altitude.

飞行时间线 Flight Timeline24 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+02:25

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+02:37

二级发动机第一次启动SES-1

First start of the second engine

T+03:30

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+06:27

再入减速关机Entry Burn Shutdown

End of the atmospheric entry burn

T+07:42

一级着陆减速点火Stage 1 Landing Burn

Start of the first stage landing burn

T+08:13

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+52:43

二级发动机第二次启动SES-2

Second start of the second engine

T+52:46

二级发动机第二次关机SECO-2

Second cut-off of the second engine

T+56:18

载荷部署序列开始Payload Deployment Sequence Start

Start of the payload deployment sequence

T+01:03:58

载荷部署序列结束Payload Deployment Sequence End

End of the payload deployment sequence.

任务更新29 条

21:4908/11

Cosmic_Penguin · 08/11

Launch success.