COSMOS 1931, 18944
Orbit data source: Space-Track
COSMOS 1931, 18944 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 11 Mar 1988 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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18944 intel report (Beta)
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Edit Public Description
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: 17 hours ago
TLE from 17 hours ago
0 COSMOS 1931
1 18944U 88016H 25348.91367444 -.00000029 00000-0 -70126-4 0 9992
2 18944 74.0069 253.7328 0040983 295.2053 137.7642 12.58574430734940Epoch: 2025-12-14T21:55Z
TLE epoch observation values (Epoch: 2025-12-14T21:55:41.471Z)
Latitude
67.11177°
Longitude
-116.51136°
Altitude
1,463.833 km
Speed
7.126 km/s
True Right ascension
19h 44m 55s
True Declination
66° 59' 58"
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
13:18:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,458.647 km
Perigee altitude
1,394.675 km
Semi-major axis
7,804.798 km
Eccentricity
0.0041
Inclination
74.0069°
RAAN
253.7328°
Arg. of periapsis
295.2053°
True anomaly
138.07868°
Mean anomaly
137.7642°
Eccentric anomaly
137.92156°
Mean motion
3.14775 °/min
Orbital period
114.37 mins
BSTAR
-0.000070126
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Other satellites on launch #16 in the year 1988 (1988-03-11 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 1931 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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2025-12-15 18:37:13.018Z | 182.643° SSW | 2025-12-15 18:44:13.018Z | 106.026° ESE | 42.839° | 2025-12-15 18:52:13.018Z | 24.54° NE |
| 12 mins | 2025-12-15 20:36:13.018Z | 256.266° W | 2025-12-15 20:42:13.018Z | 310.414° NW | 25.113° | 2025-12-15 20:48:13.018Z | 358.447° N |
| 7 mins | 2025-12-16 02:45:13.018Z | 19.968° NNE | 2025-12-16 02:48:13.018Z | 42.23° NE | 14.863° | 2025-12-16 02:52:13.018Z | 71.917° E |
| 15 mins | 2025-12-16 04:40:13.018Z | 348.204° N | 2025-12-16 04:47:13.018Z | 68.86° E | 42.575° | 2025-12-16 04:55:13.018Z | 149.419° SSE |
| 11 mins | 2025-12-16 06:38:13.018Z | 309.405° NW | 2025-12-16 06:43:13.018Z | 266.577° W | 23.679° | 2025-12-16 06:49:13.018Z | 218.394° 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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