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COSMOS 1911, 18790

Orbit data source: Space-Track

COSMOS 1911, 18790 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 15 Jan 1988 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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Identifier
18790, 1988-002C
Orbit
LEO
Country
Flag of CISCIS
Related business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-3, Unknown motor
Mass
225 kg wet, 225 kg dry
Launch date (UTC)
1988-01-15 (38 years ago)
Launch vehicle
TSIKLON-3
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl, 0.8 m
Radar Cross Section
1.257 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 20 hours ago

TLE from 20 hours ago
0 COSMOS 1911
1 18790U 88002C   26092.33244546  .00000035  00000-0  13103-3 0  9992
2 18790  82.6054 296.9371 0006658 310.7358 222.3494 12.64382717763363
Epoch: 2026-04-02T07:58Z
TLE epoch observation values (Epoch: 2026-04-02T07:58:43.287Z)
Latitude
6.83876°
Longitude
165.68688°
Altitude
1,410.848 km
Speed
7.154 km/s
True Right ascension
07h 44m 11s
True Declination
6° 48' 06"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
N/A
Visualization observer readout
Local Sidereal Time
10:10:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,407.404 km
Perigee altitude
1,397.043 km
Semi-major axis
7,780.361 km
Eccentricity
0.00067
Inclination
82.6054°
RAAN
296.9371°
Arg. of periapsis
310.7358°
True anomaly
222.29804°
Mean anomaly
222.3494°
Eccentric anomaly
222.32371°
Mean motion
3.1626 °/min
Orbital period
113.83 mins
BSTAR
0.00013103
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