About Kosmos-1639
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 15621U 85023E 25322.75301176 -.00000016 00000-0 -45647-5 0 9997
2 15621 74.0552 247.2544 0024639 31.8300 353.2280 12.51054216857197
Epoch: Nov 18, 2025 •
Age: 12 hours
Current Status
Altitude 1464.4 km
Velocity 7.14 km/s
Sub-Earth Point 72.59°N,
146.55°W
Launch Date Mar 21, 1985
Age 40.6 years
Type other
Technical Details
Classification Payload
Mass 60.00 kg
Dry Mass 60.00 kg
Total Mass 60.00 kg
Length 0.80 m
Diameter 0.80 m
Span 0.80 m
Shape Poly
Manufacturer NPOPM
Bus Type Strela-1 11F625
Phase Status In Orbit
Owner/State GUKOS/SU
Large Constellations
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