24 October 2018, 22:57 UTC
Haiyang 2B

Launched the Haiyang-2B ocean-monitoring satellite for China, carrying a radar altimeter and microwave scatterometer to track sea surface height, wind fields, and ocean temperature from sun-synchronous orbit.
- Outcome
- Success
- Orbit
- SSO
- Sun-synchronous orbit
- Payload to orbit
- 2.5 T (est.)
- Flight
- 31st
- of 58 Long March 4B flights
- Date and time
- 24 October 2018, 22:57 UTC
- Rocket
- Long March 4B
- Builder
- CASC
- Launch site
- Launch Complex 9, Taiyuan Satellite Launch Center, People's Republic of China
- Payload
- Earth Science
- International designator
- 2018-081
- Launches in 2018
- 82nd of 114
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