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: 7 hours ago
TLE from 7 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
19:19:36
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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-09-20 02:54:05.132Z | 249.59° W | 2026-09-20 03:00:05.132Z | 297.138° NW | 20.418° | 2026-09-20 03:05:05.132Z | 337.002° NNW |
| 12 mins | 2026-09-20 10:58:05.132Z | 17.784° NNE | 2026-09-20 11:04:05.132Z | 74.658° E | 31.093° | 2026-09-20 11:10:05.132Z | 126.643° SE |
| 14 mins | 2026-09-20 12:52:05.132Z | 340.704° N | 2026-09-20 12:59:05.132Z | 262.148° W | 54.054° | 2026-09-20 13:06:05.132Z | 197.236° SSW |
| 11 mins | 2026-09-20 23:45:05.132Z | 131.276° SE | 2026-09-20 23:50:05.132Z | 84.404° E | 29.525° | 2026-09-20 23:56:05.132Z | 31.561° NE |
| 14 mins | 2026-09-21 01:38:05.132Z | 210.122° SW | 2026-09-21 01:44:05.132Z | 276.06° WNW | 54.747° | 2026-09-21 01:52:05.132Z | 358.703° N |
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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