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About Checkmate 3
Group: 3 satellites
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Upcoming Passes
Passes for default location (London). Set your location on the main map for personalized predictions.
Altitude History
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Two-Line Element Set
1 56169U 23050H 26106.55012022 .00000072 00000-0 53945-4 0 9998
2 56169 81.0003 130.5435 0008152 115.5149 244.6851 13.85143056153582
Epoch: Apr 16, 2026 •
Age: 23 hours
Current Status
Altitude 953.5 km
Velocity 7.38 km/s
Sub-Earth Point 73.95°N,
135.58°E
Launch Date Apr 2, 2023
Age 3 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
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