About Tongxin Jishu Shiyan 9
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 50574U 21135A 26020.25009024 -.00000285 00000-0 00000-0 0 9991
2 50574 0.0821 255.8425 0004670 277.0553 173.9965 1.00270503 14947
Epoch: Jan 20, 2026 •
Age: 24 hours
Current Status
Altitude 35806.2 km
Velocity 3.07 km/s
Sub-Earth Point 0.06°N,
137.24°E
Launch Date Dec 29, 2021
Age 4 years
Type other
Technical Details
Classification Payload
Mass 4000.00 kg
Dry Mass 2500.00 kg
Total Mass 4000.00 kg
Length 5.00 m
Diameter 2.50 m
Span 32.00 m
Shape Box+ 2 panels +dish
Manufacturer CAST
Bus Type DFH-4
Phase Status In Orbit
Owner/State CASC/CN
Large Constellations
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