COSMOS 2130, 21105
Orbit data source: Space-Track
COSMOS 2130, 21105 is a payload satellite owned by UNKS RF (CIS) in LEO that was launched on Tue, 12 Feb 1991 UTC via a KOSMOS 11K65M 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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21105 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-1 11F625, Unknown motor
Mass
60 kg wet, 60 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Sphere, 0.4 m
Radar Cross Section
0.588 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 COSMOS 2130
1 21105U 91009F 26171.25517293 -.00000000 00000-0 97070-4 0 9997
2 21105 74.0305 84.2830 0044088 238.1345 247.5939 12.57181325622346Epoch: 2026-06-20T06:07Z
TLE epoch observation values (Epoch: 2026-06-20T06:07:26.941Z)
Latitude
51.82013°
Longitude
-117.28281°
Altitude
1,455.829 km
Speed
7.133 km/s
True Right ascension
16h 12m 12s
True Declination
51° 40' 04"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
02:00:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,466.862 km
Perigee altitude
1,397.992 km
Semi-major axis
7,810.564 km
Eccentricity
0.00441
Inclination
74.0305°
RAAN
84.283°
Arg. of periapsis
238.1345°
True anomaly
247.12781°
Mean anomaly
247.5939°
Eccentric anomaly
247.36076°
Mean motion
3.14427 °/min
Orbital period
114.49 mins
BSTAR
0.00009707
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Other satellites on launch #9 in the year 1991 (1991-02-12 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.COSMOS 2130 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 17 mins | 2026-06-22 18:38:22.768Z | 181.381° SSW | 2026-06-22 18:46:22.768Z | 117.946° SE | 41.655° | 2026-06-22 18:55:22.768Z | 25.057° NE |
| 13 mins | 2026-06-22 20:38:22.768Z | 251.542° W | 2026-06-22 20:44:22.768Z | 304.586° NW | 26.872° | 2026-06-22 20:51:22.768Z | 1.233° NNE |
| 7 mins | 2026-06-23 02:48:22.768Z | 20.747° NNE | 2026-06-23 02:51:22.768Z | 42.744° NE | 13.788° | 2026-06-23 02:55:22.768Z | 71.577° E |
| 15 mins | 2026-06-23 04:43:22.768Z | 349.368° N | 2026-06-23 04:50:22.768Z | 66.879° ENE | 41.558° | 2026-06-23 04:58:22.768Z | 146.764° SSE |
| 11 mins | 2026-06-23 06:41:22.768Z | 311.739° NW | 2026-06-23 06:46:22.768Z | 268.559° W | 24.859° | 2026-06-23 06:52:22.768Z | 217.182° SW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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