About OPS 3899
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 14139U 83060C 26011.60606568 -.00000017 00000-0 95580-5 0 9993
2 14139 96.6725 326.2232 0002109 68.9920 291.1417 12.93979247315581
Epoch: Jan 11, 2026 •
Age: 10 hours
Current Status
Altitude 1297.1 km
Velocity 7.21 km/s
Sub-Earth Point 72.97°N,
51.77°E
Launch Date Jun 20, 1983
Age 42.5 years
Type other
Technical Details
Classification Payload
Mass 120.00 kg
Dry Mass 100.00 kg
Total Mass 120.00 kg
Length 1.50 m
Diameter 0.40 m
Span 1.50 m
Shape Box + Ant
Manufacturer LMSC
Bus Type SSU C
Phase Status In Orbit
Owner/State NRO/SAFSP/US
Large Constellations
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