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 25326.79892971 .00000106 00000-0 84387-4 0 9993
2 56164 81.0004 269.7249 0005377 157.2108 202.9288 13.84780721133573
Epoch: Nov 22, 2025 •
Age: 11 hours
Current Status
Altitude 958.5 km
Velocity 7.38 km/s
Sub-Earth Point 68.79°N,
142.01°E
Launch Date Apr 2, 2023
Age 2.6 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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