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: 17 hours ago
TLE from 17 hours ago
0 COSMOS 1909
1 18788U 88002A 25260.00691991 .00000045 00000-0 19021-3 0 9995
2 18788 82.6059 91.1822 0001154 193.8680 325.1413 12.62860521736326Epoch: 2025-09-17T00:09Z
TLE epoch observation values (Epoch: 2025-09-17T00:09:57.88Z)
Latitude
20.82213°
Longitude
-90.31293°
Altitude
1,412.839 km
Speed
7.156 km/s
True Right ascension
17h 53m 28s
True Declination
20° 43' 04"
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
09:38:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,409.377 km
Perigee altitude
1,407.58 km
Semi-major axis
7,786.616 km
Eccentricity
0.00012
Inclination
82.6059°
RAAN
91.1822°
Arg. of periapsis
193.868°
True anomaly
325.13374°
Mean anomaly
325.1413°
Eccentric anomaly
325.13752°
Mean motion
3.15878 °/min
Orbital period
113.97 mins
BSTAR
0.00019021
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-09-17 22:46:38.712Z | 30.694° NE | 2025-09-17 22:50:38.712Z | 62.055° ENE | 16.452° | 2025-09-17 22:55:38.712Z | 100.184° ESE |
| 15 mins | 2025-09-18 00:39:38.712Z | 353.042° N | 2025-09-18 00:46:38.712Z | 17.289° NNE | 44.884° | 2025-09-18 00:54:38.712Z | 173.696° S |
| 7 mins | 2025-09-18 02:37:38.712Z | 306.508° NW | 2025-09-18 02:40:38.712Z | 282.307° WNW | 16.272° | 2025-09-18 02:44:38.712Z | 251.185° W |
| 7 mins | 2025-09-18 11:37:38.712Z | 98.793° ESE | 2025-09-18 11:40:38.712Z | 74.778° E | 15.421° | 2025-09-18 11:44:38.712Z | 45.002° ENE |
| 14 mins | 2025-09-18 13:27:38.712Z | 184.478° SSW | 2025-09-18 13:33:38.712Z | 175.11° S | 44.809° | 2025-09-18 13:41:38.712Z | 7.927° NNE |
| 8 mins | 2025-09-18 15:26:38.712Z | 267.916° W | 2025-09-18 15:29:38.712Z | 292.266° WNW | 17.184° | 2025-09-18 15:34:38.712Z | 332.073° NNW |
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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