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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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: 12 hours ago
TLE from 12 hours ago
0 COSMOS 1999
1 19790U 89009F 26046.07349436 .00000035 00000-0 12616-3 0 9993
2 19790 82.6155 44.7250 0020300 138.6291 284.2225 12.65746921709804Epoch: 2026-02-15T01:45Z
TLE epoch observation values (Epoch: 2026-02-15T01:45:49.912Z)
Latitude
61.80798°
Longitude
-112.89888°
Altitude
1,406.009 km
Speed
7.165 km/s
True Right ascension
03h 54m 35s
True Declination
61° 40' 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
16:10:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,412.411 km
Perigee altitude
1,380.845 km
Semi-major axis
7,774.765 km
Eccentricity
0.00203
Inclination
82.6155°
RAAN
44.725°
Arg. of periapsis
138.6291°
True anomaly
283.99687°
Mean anomaly
284.2225°
Eccentric anomaly
284.1097°
Mean motion
3.16601 °/min
Orbital period
113.71 mins
BSTAR
0.00012616
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-02-15 13:29:06.319Z | 312.165° NW | 2026-02-15 13:33:06.319Z | 277.878° WNW | 18.792° | 2026-02-15 13:38:06.319Z | 238.952° WSW |
| 4 mins | 2026-02-15 22:30:06.319Z | 85.174° E | 2026-02-15 22:31:06.319Z | 77.623° E | 12.311° | 2026-02-15 22:34:06.319Z | 55.439° ENE |
| 14 mins | 2026-02-16 00:18:06.319Z | 176.475° S | 2026-02-16 00:24:06.319Z | 125.662° SE | 43.874° | 2026-02-16 00:32:06.319Z | 11.152° NNE |
| 10 mins | 2026-02-16 02:16:06.319Z | 258.787° W | 2026-02-16 02:20:06.319Z | 293.65° NW | 20.241° | 2026-02-16 02:26:06.319Z | 341.138° N |
| 12 mins | 2026-02-16 10:18:06.319Z | 16.909° NNE | 2026-02-16 10:24:06.319Z | 71.329° E | 26.022° | 2026-02-16 10:30:06.319Z | 124.127° SE |
| 13 mins | 2026-02-16 12:13:06.319Z | 339.858° N | 2026-02-16 12:19:06.319Z | 268.362° W | 39.824° | 2026-02-16 12:26:06.319Z | 195.781° 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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