Launches / Long March 5B/YZ-2

Past launch Launched successfully

SatNet LEO Group 03

Long March 5B/YZ-2, flown by China Aerospace Science and Technology Corporation

Long March 5B/YZ-2 lifting off with the SatNet LEO Group 03 mission
Image via The Space Devs.

This was China Aerospace Science and Technology Corporation's 19th launch of 2025, and its 520th in all.

Counting every operator, it was the 88th orbital launch attempt anywhere in 2025, and the first from 101.

Launched
Monday, April 28, 2025, 8:10 p.m. UTC
Window
Monday, April 28, 2025, 8:01 to 8:25 p.m. UTC
Launch site
Wenchang Space Launch Site, China
Rocket
Long March 5B/YZ-2
Operator
China Aerospace Science and Technology Corporation

The mission

A batch of 10 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group. The constellation will eventually consists of 13000 satellites.

Type
Communications
Destination
Polar orbit

The rocket

Height
53.7 m
Built by
China Aerospace Science and Technology Corporation
First flew
December 16, 2024
Diameter
5 m
View 3 specifications Show less
Mass at liftoff
837 t
Thrust at liftoff
10,565 kN
Stages
2

3 flights, 3 of them successful.

Wikipedia →

The operator

China Aerospace Science and Technology Corporation

The China Aerospace Science and Technology Corporation (CASC) is the main contractor for the Chinese space program. It is state-owned and has a number of subordinate entities which design, develop and manufacture a range of spacecraft, launch vehicles, strategic and tactical missile systems, and ground equipment. It was officially established in July 1999 as part of a Chinese government reform drive, having previously been one part of the former China Aerospace Corporation. Various incarnations of the program date back to 1956.

Sector
Government
Based in
China
Founded
1999
Run by
Lei Fanpei, Chairman & President

612 launches so far, 596 of them successful. The last 3 in a row went to plan.

english.spacechina.com → Wikipedia →

The launch site

It went up from 101 at Wenchang Space Launch Site, China.

See the pad on a map →

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