Science
SHIYAN-20B (SY-20B)
Chinese Technology Demonstrator (Unusual Orbit) · CAST (China)
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Shiyan-20B, second of the three-satellite Shiyan-20 formation sharing an unusual 60° orbital inclination. Formation-flying triplets in Chinese satellite programs have historically correlated with either signals-triangulation missions or coordinated sensor testing — which purpose this trio serves has not been confirmed.
Its orbit
- Orbit
- Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
- Altitude
- 491–502 mi (791–808 km)
- Inclination
- 60.0°
- One orbit
- 100.7 minutes14.3 orbits a day
- NORAD ID
- 54700
- Int’l designator
- 2022-169B
- Launched
- 2022
Orbital elements from CelesTrak, as of 23 Sep 2026.
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