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22:5210/07 CST▶ 直播
任务档案 · MISSION

Hera

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

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任务简介

Hera 是欧洲航天局在其空间安全项目中开发的一项太空任务。其主要目标是研究被 DART 撞击的 Didymos 双小行星系统，并有助于验证动能撞击方法，以偏转与地球相撞的近地小行星。它将测量由人造弹丸撞击小行星产生的陨石坑的大小和形态，以及传递的动量，从而能够测量撞击产生的偏转效率。它还将分析由撞击引起的膨胀碎片云。

原文
↗ SpaceX

Hera is a space mission in development at the European Space Agency in its Space Safety program. Its primary objective is to study the Didymos binary asteroid system that was impacted by DART and contribute to validation of the kinetic impact method to deviate a near-Earth asteroid in a colliding trajectory with Earth. It will measure the size and the morphology of the crater created by and momentum transferred by an artificial projectile impacting an asteroid, which will allow measuring the efficiency of the deflection produced by the impact. It will also analyze the expanding debris cloud caused by the impact.

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
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+01:14
最大动压点Max-Q
Maximum dynamic pressure
T+02:41
主发动机关机MECO
Cut-off of the main engine
T+02:44
二级分离Stage 2 Separation
Separation of the second stage from the first
T+02:51
二级发动机第一次启动SES-1
First start of the second engine
T+03:33
整流罩分离Fairing Separation
Separation of the payload fairing
T+03:33
整流罩分离Fairing Separation
Separation of the payload fairing
T+07:39
二级发动机第一次关机SECO-1
First cut-off of the second engine
T+07:39
二级发动机第一次关机SECO-1
First cut-off of the second engine
T+52:22
二级发动机第二次启动SES-2
Second start of the second engine
T+54:00
二级发动机第一次关机SECO-1
First cut-off of the second engine
T+01:16:02
载荷分离Payload Separation
Final deployment of the payload from the rocket

载荷1

Asteroid Didymos

任务更新13 条

00:1810/08
Cosmic_Penguin · 10/07

Hera signal acquired and all systems nominal.

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00:0810/08
Cosmic_Penguin · 10/07

Spacecraft separation.

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22:5210/07
Cosmic_Penguin · 10/07

Liftoff.

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22:1910/07
Cosmic_Penguin · 10/07

Updated launch weather, 60% GO.

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22:1110/07
LL2 · 10/07

Official Webcast by European Space Agency, ESA has started

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16:3310/07
Cosmic_Penguin · 10/07

Tweaked T-0.

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00:5710/07
Nosu · 10/06

Weather is 15% favorable for launch.

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22:3610/02
Cosmic_Penguin · 10/02

Launch time confirmed per marine navigation warnings.

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10:0209/01
Cosmic_Penguin · 09/01

Added launch time.

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16:1705/12
Cosmic_Penguin · 05/12

NET October 7.

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22:5804/07
Nosu · 04/07

Targeting October 8, 2024

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23:2712/29
Nosu · 12/29

NET October 2024

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20:2110/20
Nosu · 10/20

Adding launch NET 2024

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