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 25305.60789101 .00000039 00000-0 15929-3 0 9998
2 18788 82.6120 62.1716 0002663 115.5198 255.7938 12.62863091742081Epoch: 2025-11-01T14:35Z
TLE epoch observation values (Epoch: 2025-11-01T14:35:21.783Z)
Latitude
11.14436°
Longitude
163.65176°
Altitude
1,413.641 km
Speed
7.154 km/s
True Right ascension
04h 14m 30s
True Declination
11° 05' 05"
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
12:25:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,410.541 km
Perigee altitude
1,406.394 km
Semi-major axis
7,786.605 km
Eccentricity
0.00027
Inclination
82.612°
RAAN
62.1716°
Arg. of periapsis
115.5198°
True anomaly
255.76422°
Mean anomaly
255.7938°
Eccentric anomaly
255.77901°
Mean motion
3.15879 °/min
Orbital period
113.97 mins
BSTAR
0.00015929
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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 | 2025-11-02 17:46:40.561Z | 29.048° NE | 2025-11-02 17:50:40.561Z | 59.447° ENE | 15.768° | 2025-11-02 17:55:40.561Z | 97.608° ESE |
| 14 mins | 2025-11-02 19:40:40.561Z | 354.19° N | 2025-11-02 19:47:40.561Z | 139.337° SSE | 44.675° | 2025-11-02 19:54:40.561Z | 172.057° S |
| 8 mins | 2025-11-02 21:37:40.561Z | 309.145° NW | 2025-11-02 21:40:40.561Z | 285.033° WNW | 16.91° | 2025-11-02 21:45:40.561Z | 246.177° WSW |
| 7 mins | 2025-11-03 06:37:40.561Z | 100.646° ESE | 2025-11-03 06:40:40.561Z | 77.472° E | 14.761° | 2025-11-03 06:44:40.561Z | 47.418° ENE |
| 15 mins | 2025-11-03 08:27:40.561Z | 182.792° SSW | 2025-11-03 08:34:40.561Z | 42.982° NE | 44.819° | 2025-11-03 08:42:40.561Z | 8.602° NNE |
| 9 mins | 2025-11-03 10:26:40.561Z | 265.009° W | 2025-11-03 10:30:40.561Z | 298.27° NW | 17.851° | 2025-11-03 10:35:40.561Z | 336.639° 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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