About Shiyan 31
Group: 3 satellites
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Live Position
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Upcoming Passes
Altitude History
Altitude vs Time
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Two-Line Element Set
1 65945U 25227A 25338.64317979 .00018133 00000-0 80904-3 0 9994
2 65945 80.0054 32.8055 0011854 100.5441 259.7122 15.21225153 7940
Epoch: Dec 4, 2025 •
Age: 13 hours
Current Status
Altitude 517.0 km
Velocity 7.60 km/s
Sub-Earth Point -27.06°S,
106.41°W
Launch Date Oct 13, 2025
Age 0.1 years
Type other
Technical Details
Classification Payload
Mass 1000.00 kg
Dry Mass 1000.00 kg
Total Mass 1000.00 kg
Length 1.50 m
Diameter 1.00 m
Span 5.00 m
Shape Box+2 pan
Manufacturer CAST
Bus Type SY30
Phase Status In Orbit
Owner/State CAST/CN
Large Constellations
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