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: 21 hours ago
TLE from 21 hours ago
0 COSMOS 1909
1 18788U 88002A 25341.10333731 .00000060 00000-0 27342-3 0 9993
2 18788 82.6131 39.6034 0002394 65.3573 318.6575 12.62864438746564Epoch: 2025-12-07T02:28Z
TLE epoch observation values (Epoch: 2025-12-07T02:28:48.343Z)
Latitude
23.80596°
Longitude
-70.45688°
Altitude
1,412.477 km
Speed
7.157 km/s
True Right ascension
02h 51m 27s
True Declination
23° 41' 24"
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
21:44:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,410.326 km
Perigee altitude
1,406.598 km
Semi-major axis
7,786.599 km
Eccentricity
0.00024
Inclination
82.6131°
RAAN
39.6034°
Arg. of periapsis
65.3573°
True anomaly
318.63937°
Mean anomaly
318.6575°
Eccentric anomaly
318.64844°
Mean motion
3.15879 °/min
Orbital period
113.97 mins
BSTAR
0.00027342
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-12-08 03:11:43.529Z | 125.001° SE | 2025-12-08 03:16:43.529Z | 85.614° E | 20.967° | 2025-12-08 03:22:43.529Z | 36.438° NE |
| 14 mins | 2025-12-08 05:04:43.529Z | 197.969° SSW | 2025-12-08 05:11:43.529Z | 299.389° NW | 43.099° | 2025-12-08 05:18:43.529Z | 2.279° NNE |
| 5 mins | 2025-12-08 07:05:43.529Z | 284.425° WNW | 2025-12-08 07:07:43.529Z | 299.337° NW | 12.453° | 2025-12-08 07:10:43.529Z | 321.494° NNW |
| 14 mins | 2025-12-08 15:05:43.529Z | 6.354° NNE | 2025-12-08 15:12:43.529Z | 79.968° E | 36.564° | 2025-12-08 15:19:43.529Z | 146.714° SSE |
| 12 mins | 2025-12-08 17:01:43.529Z | 327.84° NNW | 2025-12-08 17:06:43.529Z | 280.946° WNW | 29.466° | 2025-12-08 17:13:43.529Z | 216.472° 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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