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COSMOS 2139 [GLONASS]
NonoperationalNavigationMEO
Broadcasts precise timing/positioning signals for global navigation (GNSS).
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Launch
- Launch date
- April 4, 1991 at 10:47 AM UTC
- Launch site
- Baikonur Cosmodrome, Kazakhstan
- Launched by
- Proton K/DM-2 →
- Operator
- Soviet Space Program
- Mission
- Uragan 42 to 44
- Launch record
- View full launch →
Orbit
- Orbit regime
- MEO
- Apoapsis
- 19,171 km
- Periapsis
- 19,088 km
- Inclination
- 64.37°
- Orbital period
- 675.72 min
Identity
- COSPAR (Int'l)
- 1991-025A
- NORAD catalog №
- 21216
- Object type
- Payload
- Owner / operator
Russia (CIS / former USSR)- Radar cross-section
- 1.3022 m²
- Status
- Nonoperational
End of mission
- Fate
- No longer operational — remains in orbit as inactive.
- Final status
- Nonoperational