Science
ZIYUAN 3-03 (ZY 3-03)
Chinese Stereo Mapping Satellite · CNSA / CRESDA (China)
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Ziyuan 3-03 (ZY 3-03), part of China's stereo mapping program producing the 3D elevation models that underpin everything from highway planning to the terrain-following guidance systems built into Chinese cruise missiles — a dual-use reality China has never denied, since accurate topographic data is equally essential to both applications.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 312–318 mi (502–511 km)
- Inclination
- 97.5°
- One orbit
- 94.6 minutes15.2 orbits a day
- NORAD ID
- 45939
- Int’l designator
- 2020-051A
- Launched
- 2020
Orbital elements from CelesTrak, as of 22 Sep 2026.
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