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 26011.87204318 .00002470 00000-0 52361-3 0 9992
2 10502 63.3275 189.2783 0485819 160.0032 202.0817 14.07004960 86073
Epoch: Jan 11, 2026 •
Age: 19 hours
Current Status
Altitude 1225.6 km
Velocity 7.06 km/s
Sub-Earth Point -14.38°S,
166.59°W
Launch Date Dec 8, 1977
Age 48 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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