About OPS 8781
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 10502U 77112A 26015.85209388 .00001132 00000-0 25750-3 0 9992
2 10502 63.3271 177.8482 0485376 160.0711 202.0056 14.07015524 86635
Epoch: Jan 15, 2026 •
Age: 8 hours
Current Status
Altitude 952.9 km
Velocity 7.34 km/s
Sub-Earth Point -62.54°S,
111.88°W
Launch Date Dec 8, 1977
Age 48.1 years
Type other
Technical Details
Classification Payload
Mass 559.00 kg
Dry Mass 559.00 kg
Total Mass 590.00 kg
Length 1.60 m
Diameter 1.50 m
Span 2.70 m
Shape Box + Ant
Manufacturer NRL
Bus Type NOSS MSD
Phase Status Attached in Orbit
Owner/State NRO/NRL/US
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