Long March 4B | Yaogan 53-01 to 03/56-01 to 03

Mission Status

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

Mission Updates

Sep 10, 10:00 AM Cosmic_Penguin

Launch success.

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Sep 7, 04:31 PM Cosmic_Penguin

Delayed to September 10 per new NOTAMs.

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Sep 2, 01:12 PM Cosmic_Penguin

Added launch per NOTAMs; Payload and launch vehicle identities extremely uncertain.

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Mission Details

6 Chinese military “remote sensing” satellite of unknown purposes.

Mission Type Government/Top Secret
Orbit Low Earth Orbit
Launch Window 08:52 AM - 09:13 AM

Rocket Configuration

Name Long March 4B
Manufacturer China Aerospace Science and Technology Corporation
Height 44.1 m
Diameter 3.35 m
Maiden Flight 1999-05-10
Success Rate 56/58 (97%)

The Long March 4B (Chinese: 长征四号乙火箭), also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits.