Science
HAIYANG-1D
Chinese Ocean Color Monitoring Satellite · CNSA / NSOAS (China)
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Haiyang-1D, flying in tandem with its sibling Haiyang-1C to double China's ocean color monitoring revisit rate — together the pair track chlorophyll concentration and coastal water quality across the Pacific and Indian Oceans with a frequency no single satellite could match alone.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 485–487 mi (781–783 km)
- Inclination
- 98.5°
- One orbit
- 100.3 minutes14.4 orbits a day
- NORAD ID
- 45721
- Int’l designator
- 2020-036A
- Launched
- 2020
Orbital elements from CelesTrak, as of 22 Sep 2026.
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