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: 15 hours ago
TLE from 15 hours ago
0 COSMOS 1999
1 19790U 89009F 25258.75419637 .00000012 00000-0 80197-5 0 9999
2 19790 82.6198 142.0364 0020054 126.7239 293.7496 12.65740146690532Epoch: 2025-09-15T18:06Z
TLE epoch observation values (Epoch: 2025-09-15T18:06:02.566Z)
Latitude
59.53116°
Longitude
-111.77383°
Altitude
1,403.145 km
Speed
7.167 km/s
True Right ascension
10h 18m 45s
True Declination
59° 23' 35"
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
02:02:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,412.247 km
Perigee altitude
1,381.064 km
Semi-major axis
7,774.792 km
Eccentricity
0.00201
Inclination
82.6198°
RAAN
142.0364°
Arg. of periapsis
126.7239°
True anomaly
293.53905°
Mean anomaly
293.7496°
Eccentric anomaly
293.64434°
Mean motion
3.16599 °/min
Orbital period
113.71 mins
BSTAR
0.0000080197
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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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2025-09-16 16:39:12.097Z | 170.397° S | 2025-09-16 16:45:12.097Z | 106.636° ESE | 42.631° | 2025-09-16 16:53:12.097Z | 13.302° NNE |
| 11 mins | 2025-09-16 18:36:12.097Z | 250.352° W | 2025-09-16 18:41:12.097Z | 295.718° NW | 22.577° | 2025-09-16 18:47:12.097Z | 343.738° N |
| 11 mins | 2025-09-17 02:40:12.097Z | 26.114° NE | 2025-09-17 02:45:12.097Z | 73.324° E | 23.35° | 2025-09-17 02:51:12.097Z | 121.404° SE |
| 14 mins | 2025-09-17 04:33:12.097Z | 344.597° N | 2025-09-17 04:40:12.097Z | 261.049° W | 41.97° | 2025-09-17 04:47:12.097Z | 190.259° SSW |
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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