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, 0.9 m
Radar Cross Section
1.257 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 COSMOS 1999
1 19790U 89009F 26262.82390411 .00000023 00000-0 67261-4 0 9999
2 19790 82.6130 266.2809 0019753 10.4493 104.4102 12.65752395737225Epoch: 2026-09-19T19:46Z
TLE epoch observation values (Epoch: 2026-09-19T19:46:25.315Z)
Latitude
64.00642°
Longitude
135.60668°
Altitude
1,414.136 km
Speed
7.158 km/s
True Right ascension
04h 43m 45s
True Declination
63° 52' 56"
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
18:22:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,411.963 km
Perigee altitude
1,381.248 km
Semi-major axis
7,774.743 km
Eccentricity
0.00198
Inclination
82.613°
RAAN
266.2809°
Arg. of periapsis
10.4493°
True anomaly
104.6293°
Mean anomaly
104.4102°
Eccentric anomaly
104.51976°
Mean motion
3.16602 °/min
Orbital period
113.71 mins
BSTAR
0.000067261
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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 | 2026-09-20 02:54:42.493Z | 253.165° W | 2026-09-20 02:59:42.493Z | 293.549° NW | 20.435° | 2026-09-20 03:04:42.493Z | 334.716° NNW |
| 13 mins | 2026-09-20 10:57:42.493Z | 15.806° NNE | 2026-09-20 11:03:42.493Z | 69.911° E | 31.169° | 2026-09-20 11:10:42.493Z | 129.439° SE |
| 14 mins | 2026-09-20 12:52:42.493Z | 338.971° N | 2026-09-20 12:58:42.493Z | 271.563° WNW | 54.311° | 2026-09-20 13:06:42.493Z | 195.929° SSW |
| 12 mins | 2026-09-20 23:44:42.493Z | 133.38° SE | 2026-09-20 23:49:42.493Z | 89.009° E | 29.368° | 2026-09-20 23:56:42.493Z | 28.765° NE |
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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