COSMOS 1999, 19790
Orbit data source: Space-Track
COSMOS 1999, 19790 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 10 Feb 1989 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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19790 intel report (Beta)
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Edit Public Description
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, 0.8 m
Radar Cross Section
1.257 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 COSMOS 1999
1 19790U 89009F 25306.49587730 .00000046 00000-0 18931-3 0 9996
2 19790 82.6140 111.5384 0019771 22.6827 31.8818 12.65742814696576Epoch: 2025-11-02T11:54Z
TLE epoch observation values (Epoch: 2025-11-02T11:54:03.798Z)
Latitude
54.11109°
Longitude
-98.71971°
Altitude
1,395.119 km
Speed
7.173 km/s
True Right ascension
08h 07m 13s
True Declination
53° 57' 40"
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
23:16:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,412.016 km
Perigee altitude
1,381.273 km
Semi-major axis
7,774.782 km
Eccentricity
0.00198
Inclination
82.614°
RAAN
111.5384°
Arg. of periapsis
22.6827°
True anomaly
32.00171°
Mean anomaly
31.8818°
Eccentric anomaly
31.94173°
Mean motion
3.166 °/min
Orbital period
113.71 mins
BSTAR
0.00018931
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Other satellites on launch #9 in the year 1989 (1989-02-10 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 1999 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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-11-03 10:29:27.962Z | 134.194° SE | 2025-11-03 10:35:27.962Z | 82.915° E | 24.877° | 2025-11-03 10:41:27.962Z | 31.892° NE |
| 14 mins | 2025-11-03 12:23:27.962Z | 207.874° SW | 2025-11-03 12:29:27.962Z | 278.915° WNW | 40.346° | 2025-11-03 12:37:27.962Z | 359.976° N |
| 15 mins | 2025-11-03 22:22:27.962Z | 2.859° NNE | 2025-11-03 22:29:27.962Z | 79.535° E | 39.909° | 2025-11-03 22:37:27.962Z | 155.512° SSE |
| 11 mins | 2025-11-04 00:18:27.962Z | 323.531° NNW | 2025-11-04 00:23:27.962Z | 277.708° WNW | 25.824° | 2025-11-04 00:29:27.962Z | 225.35° 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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