Next Spaceflight



Haiyang 2D

Launch Time
Wed May 19, 2021 04:03 UTC

400th Chinese orbital flight.


Long March 4B
Status: Active
Price: $64.68 million
Liftoff Thrust: 2,993 kN
Payload to LEO: 4,200 kg
Payload to GTO: 1,500 kg
Stages: 3
Strap-ons: 0
Rocket Height: 46.97 m
Fairing Diameter: 3.8 m
Fairing Height: 11.74 m

Mission Details

Haiyang 2D

Haiyang 2D (Chinese: "Ocean"), abbreviated HY-2D, is a marine remote sensing satellite series planned by China. The spacecraft is three-axis stabilized using the CAST968 satellite platform. The spacecraft is being developed by the DFH (Dongfanghong Satellite Corporation Ltd.), a spin-off company of CASC (China Aerospace Science &Technology Corporation), Beijing, China.

The spacecraft has a pointing precision of < 0.1º in pitch, roll and yaw and a pointing knowledge of < 0.05º. The HY-2C spacecraft will be operated by NSOAS (National Satellite Ocean Application Service) for a nominal lifetime of 3 years.

Payloads: 1
Total Mass: 1,575 kg
Low Earth Orbit


Site 9401 (SLS-2), Jiuquan Satellite Launch Center, China



45th orbital launch attempt

Long March 4B

42nd mission
41st successful mission
22nd consecutive successful mission