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: 17 hours ago
TLE from 17 hours ago
0 COSMOS 1999
1 19790U 89009F 25260.65085388 .00000021 00000-0 55272-4 0 9998
2 19790 82.6193 140.8254 0020132 122.5434 296.0332 12.65740210690772Epoch: 2025-09-17T15:37Z
TLE epoch observation values (Epoch: 2025-09-17T15:37:13.775Z)
Latitude
57.69711°
Longitude
-78.54254°
Altitude
1,402.149 km
Speed
7.167 km/s
True Right ascension
10h 10m 21s
True Declination
57° 33' 16"
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
01:22:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,412.307 km
Perigee altitude
1,381.003 km
Semi-major axis
7,774.792 km
Eccentricity
0.00201
Inclination
82.6193°
RAAN
140.8254°
Arg. of periapsis
122.5434°
True anomaly
295.82568°
Mean anomaly
296.0332°
Eccentric anomaly
295.92946°
Mean motion
3.16599 °/min
Orbital period
113.71 mins
BSTAR
0.000055272
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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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2025-09-18 16:03:41.516Z | 159.762° S | 2025-09-18 16:10:41.516Z | 98.46° ESE | 37.074° | 2025-09-18 16:18:41.516Z | 18.62° NNE |
| 12 mins | 2025-09-18 18:00:41.516Z | 235.242° WSW | 2025-09-18 18:05:41.516Z | 284.035° WNW | 28.941° | 2025-09-18 18:12:41.516Z | 348.304° N |
| 9 mins | 2025-09-19 02:05:41.516Z | 30.593° NE | 2025-09-19 02:09:41.516Z | 63.348° ENE | 17.591° | 2025-09-19 02:14:41.516Z | 102.983° ESE |
| 15 mins | 2025-09-19 03:58:41.516Z | 351.356° N | 2025-09-19 04:05:41.516Z | 229.752° WSW | 44.897° | 2025-09-19 04:13:41.516Z | 176.985° S |
| 6 mins | 2025-09-19 05:56:41.516Z | 300.819° NW | 2025-09-19 05:58:41.516Z | 284.893° WNW | 14.469° | 2025-09-19 06:02:41.516Z | 254.368° W |
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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