About Radio RS-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 12998U 81120B 26057.10526860 -.00000086 00000-0 -11295-2 0 9995
2 12998 82.9633 181.0449 0018505 352.4486 126.2361 12.03196176940808
Epoch: Feb 26, 2026 •
Age: 16 hours
Current Status
Altitude 1684.1 km
Velocity 7.04 km/s
Sub-Earth Point 79.74°N,
114.26°W
Launch Date Dec 17, 1981
Age 44.1 years
Type other
Technical Details
Classification Payload
Mass 70.00 kg
Dry Mass 70.00 kg
Total Mass 70.00 kg
Length 0.80 m
Diameter 0.80 m
Span 0.80 m
Shape Poly
Manufacturer NPOPM/MAIO
Bus Type Strela-1M
Phase Status In Orbit
Owner/State NPOPM/MAIO/SU
Large Constellations
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