COSMOS 1927, 18940
Orbit data source: Space-Track
COSMOS 1927, 18940 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 11 Mar 1988 UTC via a KOSMOS 11K65M 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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18940 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
NPO PM
Mission
Defense Communications
Bus & Motor
STRELA-1 11F625, Unknown motor
Mass
60 kg wet, 60 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Sphere, 0.4 m
Radar Cross Section
0.588 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 COSMOS 1927
1 18940U 88016D 25348.90958634 .00000012 00000-0 18395-3 0 9993
2 18940 74.0026 157.2493 0007273 151.8818 279.9942 12.50917410724482Epoch: 2025-12-14T21:49Z
TLE epoch observation values (Epoch: 2025-12-14T21:49:48.259Z)
Latitude
66.03344°
Longitude
145.90701°
Altitude
1,470.723 km
Speed
7.134 km/s
True Right ascension
13h 08m 41s
True Declination
65° 55' 02"
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
13:19:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,464.196 km
Perigee altitude
1,452.797 km
Semi-major axis
7,836.633 km
Eccentricity
0.00073
Inclination
74.0026°
RAAN
157.2493°
Arg. of periapsis
151.8818°
True anomaly
279.91211°
Mean anomaly
279.9942°
Eccentric anomaly
279.95316°
Mean motion
3.12859 °/min
Orbital period
115.07 mins
BSTAR
0.00018395
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Other satellites on launch #16 in the year 1988 (1988-03-11 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 1927 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 | 2025-12-15 14:56:19.763Z | 279.132° WNW | 2025-12-15 15:01:19.763Z | 316.231° NNW | 16.129° | 2025-12-15 15:05:19.763Z | 345.943° N |
| 12 mins | 2025-12-15 21:04:19.763Z | 5.79° NNE | 2025-12-15 21:10:19.763Z | 57.132° ENE | 24.223° | 2025-12-15 21:16:19.763Z | 105.633° ESE |
| 15 mins | 2025-12-15 23:01:19.763Z | 335.387° NNW | 2025-12-15 23:08:19.763Z | 255.595° W | 43.509° | 2025-12-15 23:16:19.763Z | 174.069° S |
| 15 mins | 2025-12-16 11:55:19.763Z | 178.062° S | 2025-12-16 12:02:19.763Z | 116.376° SE | 40.884° | 2025-12-16 12:10:19.763Z | 27.256° NE |
| 13 mins | 2025-12-16 13:54:19.763Z | 247.468° WSW | 2025-12-16 14:00:19.763Z | 297.711° NW | 27.443° | 2025-12-16 14:07:19.763Z | 359.27° N |
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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