COSMOS 2139 [GLONASS]
1991-04-04
Satellite information COSMOS 2139 [GLONASS] - GLONASS 42, GN 750
| Spacetrack Directory Name | COSMOS 2139 [GLONASS] |
| Alternative name | GLONASS 42, GN 750 |
| Group | GLONASS |
| Orbit launches |
1991-04-04 |
| Deorbitation |
|
| Country/organisation of origin | Commonwealth of Independent States (former USSR) (CIS) |
| Starting point | TYMSC (Baikonur Cosmodrome, Kazakhstan) |
| Type | Satellite |
| Categories | |
| Perigee | 19089 km |
| Apogee | 19170 km |
Additional information COSMOS 2139 [GLONASS]
The COSMOS 2139 [GLONASS] satellite, also known as Kosmos-2139, was launched on April 4, 1991, from the TYMSC launch site using a Proton-K/DM-2 launch vehicle. It is part of the Uragan series and has a configuration of 3-Axis stabilized. The satellite measures 4 meters in length with a diameter of 1.5 meters and spans 7.8 meters when its components are deployed. Its dry mass is 1,200 kg, and it had an initial launch mass of 1,300 kg. The satellite was manufactured by POL for navigation purposes and features two deployable solar arrays and batteries to power the equipment onboard. Launched with a planned lifetime of three years, COSMOS 2139 [GLONASS] is equipped with Uragan No. 50L payload and has an RCS (Reflectivity Coefficient Surface) value of 1.3022. The shape of the satellite consists of a cylinder with antennas and two panels.
satellite COSMOS 2139 [GLONASS] Date of exalting 04.04.1991y.ISS
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