About Checkmate 4
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 56164U 23050C 26009.70220277 .00000056 00000-0 40092-4 0 9996
2 56164 80.9994 223.7950 0006048 43.2130 316.9500 13.84792318140209
Epoch: Jan 9, 2026 •
Age: 30 hours
Current Status
Altitude 953.2 km
Velocity 7.37 km/s
Sub-Earth Point -0.18°S,
55.84°W
Launch Date Apr 2, 2023
Age 2.7 years
Type other
Technical Details
Classification Payload
Mass 300.00 kg
Dry Mass 300.00 kg
Total Mass 300.00 kg
Length 1.00 m
Diameter 0.60 m
Span 2.00 m
Shape Box + panels
Manufacturer YORKSS
Bus Type S-Class
Phase Status In Orbit
Owner/State SDA/US
Large Constellations
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