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: 20 hours ago
TLE from 20 hours ago
0 COSMOS 1999
1 19790U 89009F 25320.63533218 .00000041 00000-0 16232-3 0 9997
2 19790 82.6154 102.5047 0019176 350.3788 20.8263 12.65743666698360Epoch: 2025-11-16T15:14Z
TLE epoch observation values (Epoch: 2025-11-16T15:14:52.700Z)
Latitude
11.14378°
Longitude
179.2935°
Altitude
1,387.375 km
Speed
7.173 km/s
True Right ascension
06h 55m 50s
True Declination
11° 05' 03"
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
07:51:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,411.55 km
Perigee altitude
1,381.732 km
Semi-major axis
7,774.778 km
Eccentricity
0.00192
Inclination
82.6154°
RAAN
102.5047°
Arg. of periapsis
350.3788°
True anomaly
20.9046°
Mean anomaly
20.8263°
Eccentric anomaly
20.86543°
Mean motion
3.166 °/min
Orbital period
113.71 mins
BSTAR
0.00016232
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-11-17 12:13:02.179Z | 256.619° W | 2025-11-17 12:18:02.179Z | 296.163° NW | 17.783° | 2025-11-17 12:23:02.179Z | 335.458° NNW |
| 13 mins | 2025-11-17 20:16:02.179Z | 15.842° NNE | 2025-11-17 20:22:02.179Z | 73.692° E | 29.105° | 2025-11-17 20:29:02.179Z | 133.237° SE |
| 14 mins | 2025-11-17 22:10:02.179Z | 339.244° N | 2025-11-17 22:17:02.179Z | 265.165° W | 37.362° | 2025-11-17 22:24:02.179Z | 200.627° SSW |
| 12 mins | 2025-11-18 09:03:02.179Z | 134.457° SE | 2025-11-18 09:08:02.179Z | 85.793° E | 28.054° | 2025-11-18 09:15:02.179Z | 26.42° NE |
| 9 mins | 2025-11-18 10:56:02.179Z | 213.23° SW | 2025-11-18 11:02:02.179Z | 274.604° WNW | 37.565° | 2025-11-18 11:05:02.179Z | 329.558° NNW |
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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