About Tongxin Jishu Shiyan 20
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 66142U 25238A 26055.82400087 .00000024 00000-0 00000-0 0 9992
2 66142 5.7203 299.9691 0007401 85.3704 128.3945 1.00274329 1205
Epoch: Feb 24, 2026 •
Age: 11 hours
Current Status
Altitude 35773.0 km
Velocity 3.08 km/s
Sub-Earth Point 1.76°N,
62.27°E
Launch Date Oct 23, 2025
Age 0.3 years
Type other
Technical Details
Classification Payload
Mass 10000.00 kg
Dry Mass 6000.00 kg
Total Mass 10000.00 kg
Length 7.00 m
Diameter 4.00 m
Span 30.00 m
Shape Box+ 2 pan+dish
Manufacturer CAST
Bus Type TJS11
Phase Status In Orbit
Owner/State ZZB/CAST/CN
Large Constellations
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