COSMOS 1912, 18791
Orbit data source: Space-Track
COSMOS 1912, 18791 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 15 Jan 1988 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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18791 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.9 m
Radar Cross Section
1.257 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 COSMOS 1912
1 18791U 88002D 26306.60583272 .00000029 00000-0 95659-4 0 9993
2 18791 82.6077 150.1455 0010861 142.4447 272.8174 12.65074804791398Epoch: 2026-11-02T14:32Z
TLE epoch observation values (Epoch: 2026-11-02T14:32:23.947Z)
Latitude
54.55191°
Longitude
-99.387°
Altitude
1,410.603 km
Speed
7.16 km/s
True Right ascension
10h 42m 22s
True Declination
54° 24' 10"
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
00:23:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,407.831 km
Perigee altitude
1,390.936 km
Semi-major axis
7,777.521 km
Eccentricity
0.00109
Inclination
82.6077°
RAAN
150.1455°
Arg. of periapsis
142.4447°
True anomaly
272.69308°
Mean anomaly
272.8174°
Eccentric anomaly
272.75524°
Mean motion
3.16433 °/min
Orbital period
113.77 mins
BSTAR
0.000095659
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Other satellites on launch #2 in the year 1988 (1988-01-15 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 1912 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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-11-03 13:07:28.129Z | 139.703° SSE | 2026-11-03 13:14:28.129Z | 81.625° E | 29.743° | 2026-11-03 13:20:28.129Z | 30.631° NE |
| 15 mins | 2026-11-03 15:01:28.129Z | 207.767° SW | 2026-11-03 15:08:28.129Z | 280.341° WNW | 55.256° | 2026-11-03 15:16:28.129Z | 359.045° N |
| 14 mins | 2026-11-04 01:02:28.129Z | 3.332° NNE | 2026-11-04 01:08:28.129Z | 69.633° E | 59.858° | 2026-11-04 01:16:28.129Z | 157.268° SSE |
| 11 mins | 2026-11-04 02:57:28.129Z | 324.631° NNW | 2026-11-04 03:02:28.129Z | 281.998° WNW | 26.796° | 2026-11-04 03:08:28.129Z | 229.032° WSW |
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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