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: 9 hours ago
TLE from 9 hours ago
0 COSMOS 1999
1 19790U 89009F 26126.15780104 .00000025 00000-0 74226-4 0 9997
2 19790 82.6209 353.5853 0019050 321.3861 158.3002 12.65749506719939Epoch: 2026-05-06T03:47Z
TLE epoch observation values (Epoch: 2026-05-06T03:47:14.009Z)
Latitude
59.50239°
Longitude
-119.88364°
Altitude
1,423.129 km
Speed
7.148 km/s
True Right ascension
10h 43m 47s
True Declination
59° 21' 53"
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
20:14:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,411.428 km
Perigee altitude
1,381.806 km
Semi-major axis
7,774.754 km
Eccentricity
0.00191
Inclination
82.6209°
RAAN
353.5853°
Arg. of periapsis
321.3861°
True anomaly
158.38074°
Mean anomaly
158.3002°
Eccentric anomaly
158.34049°
Mean motion
3.16602 °/min
Orbital period
113.71 mins
BSTAR
0.000074226
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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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-05-06 14:38:21.629Z | 140.157° SSE | 2026-05-06 14:45:21.629Z | 79.543° E | 26.942° | 2026-05-06 14:51:21.629Z | 29.321° NE |
| 14 mins | 2026-05-06 16:32:21.629Z | 209.615° SW | 2026-05-06 16:39:21.629Z | 285.922° WNW | 38.725° | 2026-05-06 16:46:21.629Z | 356.593° N |
| 15 mins | 2026-05-07 02:32:21.629Z | 1.454° NNE | 2026-05-07 02:39:21.629Z | 85.128° E | 41.459° | 2026-05-07 02:47:21.629Z | 159.207° S |
| 11 mins | 2026-05-07 04:28:21.629Z | 320.932° NNW | 2026-05-07 04:33:21.629Z | 275.881° WNW | 23.939° | 2026-05-07 04:39:21.629Z | 227.254° 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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