COSMOS 1909, 18788
Orbit data source: Space-Track
COSMOS 1909, 18788 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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18788 intel report (Beta)
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Edit Public Description
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, Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 COSMOS 1909
1 18788U 88002A 25297.29158770 .00000031 00000-0 11270-3 0 9992
2 18788 82.6105 67.4599 0002516 127.1345 254.5965 12.62862471741033Epoch: 2025-10-24T06:59Z
TLE epoch observation values (Epoch: 2025-10-24T06:59:53.177Z)
Latitude
21.52395°
Longitude
-67.53284°
Altitude
1,414.157 km
Speed
7.155 km/s
True Right ascension
04h 41m 30s
True Declination
21° 25' 00"
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
15:41:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,410.43 km
Perigee altitude
1,406.511 km
Semi-major axis
7,786.607 km
Eccentricity
0.00025
Inclination
82.6105°
RAAN
67.4599°
Arg. of periapsis
127.1345°
True anomaly
254.56871°
Mean anomaly
254.5965°
Eccentric anomaly
254.5826°
Mean motion
3.15879 °/min
Orbital period
113.97 mins
BSTAR
0.0001127
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Other satellites on launch #2 in the year 1988 (1988-01-15 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 1909 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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2025-10-24 20:48:14.871Z | 350.811° N | 2025-10-24 20:56:14.871Z | 219.519° SW | 44.659° | 2025-10-24 21:03:14.871Z | 178.427° S |
| 6 mins | 2025-10-24 22:47:14.871Z | 300.845° NW | 2025-10-24 22:49:14.871Z | 285.281° WNW | 14.168° | 2025-10-24 22:53:14.871Z | 255.387° W |
| 9 mins | 2025-10-25 07:45:14.871Z | 110.223° ESE | 2025-10-25 07:49:14.871Z | 77.919° E | 17.573° | 2025-10-25 07:54:14.871Z | 39.961° NE |
| 15 mins | 2025-10-25 09:36:14.871Z | 189.663° SSW | 2025-10-25 09:43:14.871Z | 307.84° NW | 44.705° | 2025-10-25 09:51:14.871Z | 6.179° NNE |
| 7 mins | 2025-10-25 11:36:14.871Z | 273.985° WNW | 2025-10-25 11:39:14.871Z | 297.679° NW | 15.3° | 2025-10-25 11:43:14.871Z | 328.409° NNW |
| 13 mins | 2025-10-25 19:38:14.871Z | 13.003° NNE | 2025-10-25 19:44:14.871Z | 75.569° E | 32.84° | 2025-10-25 19:51:14.871Z | 139.575° SSE |
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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