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COSMOS 2117, 21031

Orbit data source: Space-Track

COSMOS 2117, 21031 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Sat, 22 Dec 1990 UTC via a TSIKLON-3 launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
21031, 1990-114D
Orbit
LEO
Last TLE update
17 hours ago
Origin
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
1990-12-22 (35 years ago)
Launch vehicle
TSIKLON-3
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 1.6 m
Radar Cross Section
1.257 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 17 hours ago
0 COSMOS 2117
1 21031U 90114D   25191.68388869  .00000039  00000-0  15150-3 0  9993
2 21031  82.5738  56.4523 0008842 119.5457 309.8412 12.65018690595094
Epoch: 2025-07-10T16:24Z
TLE epoch observation values (Epoch: 2025-07-10T16:24:47.982Z)
Latitude
68.14654°
Longitude
-99.72602°
Altitude
1,409.662 km
Speed
7.164 km/s
True Right ascension
05h 01m 16s
True Declination
68° 02' 15"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
30.32555°
Longitude
-114.6944°
Altitude
1,405.658 km
Speed
7.16 km/s
Apparent Right ascension
06h 16m 26s
Apparent Declination
-1° 02' 37"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
21:35:14
Azimuth
62.262° ENE
Elevation
-30.51°
Doppler factor
1
Orbital elements
Apogee altitude
1,406.492 km
Perigee altitude
1,392.738 km
Semi-major axis
7,777.752 km
Eccentricity
0.00088
Inclination
82.5738°
RAAN
56.4523°
Arg. of periapsis
119.5457°
True anomaly
Unknown
Mean anomaly
309.8412°
Eccentric anomaly
Unknown
Mean motion
3.16419 °/min
Orbital period
113.77 mins
BSTAR
0.0001515
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COSMOS 2117 Visibility forecast

Observer location: undefined°, undefined°

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
15 mins2025-07-11 14:54:33.116Z158.137° S2025-07-11 15:02:33.116Z81.362° E35.933°2025-07-11 15:09:33.116Z20.096° NNE
12 mins2025-07-11 16:51:33.116Z232.017° WSW2025-07-11 16:56:33.116Z280.388° WNW30.114°2025-07-11 17:03:33.116Z348.17° N
8 mins2025-07-12 00:57:33.116Z34.211° NE2025-07-12 01:01:33.116Z67.197° ENE16.864°2025-07-12 01:05:33.116Z98.423° ESE
14 mins2025-07-12 02:50:33.116Z352.406° N2025-07-12 02:56:33.116Z350.259° N44.692°2025-07-12 03:04:33.116Z175.074° S
7 mins2025-07-12 04:47:33.116Z306.328° NW2025-07-12 04:50:33.116Z282.421° WNW15.468°2025-07-12 04:54:33.116Z251.744° W
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