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SHIYAN-4 (SY-4)

Chinese Technology Demonstrator · CAST

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Shiyan-4 (SY-4), continuing China's Shiyan technology demonstration program, launched in 2011 to test satellite bus and payload technologies feeding into later operational Chinese satellite designs.

Its orbit

Orbit
Low Earth Orbitcan appear as a fast-moving star at dawn or dusk
Altitude
482–502 mi (776–808 km)
Inclination
98.7°
One orbit
100.6 minutes14.3 orbits a day
NORAD ID
37931
Int’l designator
2011-068B
Launched
2011

Orbital elements from CelesTrak, as of 22 Sep 2026.

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