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 26103.24157862 -.00000099 00000-0 -12919-2 0 9992
2 12998 82.9600 156.0862 0018075 253.5500 170.4362 12.03195631946356
Epoch: Apr 13, 2026 •
Age: 6 hours
Current Status
Altitude 1689.9 km
Velocity 7.03 km/s
Sub-Earth Point 68.32°N,
64.42°W
Launch Date Dec 17, 1981
Age 44.3 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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