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: 1 day ago
TLE from 1 day ago
0 COSMOS 1909
1 18788U 88002A 25310.78910041 .00000034 00000-0 13120-3 0 9998
2 18788 82.6127 58.8770 0002649 108.5839 46.3366 12.62863161742737Epoch: 2025-11-06T18:56Z
TLE epoch observation values (Epoch: 2025-11-06T18:56:18.275Z)
Latitude
24.86103°
Longitude
-94.86863°
Altitude
1,412.588 km
Speed
7.157 km/s
True Right ascension
15h 41m 47s
True Declination
24° 44' 28"
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
18:01:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,410.53 km
Perigee altitude
1,406.405 km
Semi-major axis
7,786.605 km
Eccentricity
0.00026
Inclination
82.6127°
RAAN
58.877°
Arg. of periapsis
108.5839°
True anomaly
46.35856°
Mean anomaly
46.3366°
Eccentric anomaly
46.34758°
Mean motion
3.15879 °/min
Orbital period
113.97 mins
BSTAR
0.0001312
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-11-08 06:22:34.743Z | 121.926° SE | 2025-11-08 06:27:34.743Z | 82.058° E | 20.135° | 2025-11-08 06:32:34.743Z | 40.765° NE |
| 15 mins | 2025-11-08 08:14:34.743Z | 195.026° SSW | 2025-11-08 08:21:34.743Z | 266.203° W | 43.758° | 2025-11-08 08:29:34.743Z | 3.58° NNE |
| 5 mins | 2025-11-08 10:16:34.743Z | 286.684° WNW | 2025-11-08 10:18:34.743Z | 302.067° NW | 13.16° | 2025-11-08 10:21:34.743Z | 324.251° NNW |
| 14 mins | 2025-11-08 18:16:34.743Z | 8.504° NNE | 2025-11-08 18:22:34.743Z | 67.35° ENE | 35.486° | 2025-11-08 18:30:34.743Z | 146.075° SSE |
| 13 mins | 2025-11-08 20:11:34.743Z | 331.768° NNW | 2025-11-08 20:17:34.743Z | 276.141° WNW | 30.592° | 2025-11-08 20:24:34.743Z | 213.56° SW |
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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