COSMOS 1928, 18941
Orbit data source: Space-Track
COSMOS 1928, 18941 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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18941 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: 20 hours ago
TLE from 20 hours ago
0 COSMOS 1928
1 18941U 88016E 25348.77848549 -.00000019 00000-0 -21138-4 0 9991
2 18941 74.0060 89.6573 0010273 143.3969 336.2238 12.52890751633771Epoch: 2025-12-14T18:41Z
TLE epoch observation values (Epoch: 2025-12-14T18:41:01.146Z)
Latitude
56.82499°
Longitude
-120.15081°
Altitude
1,454.187 km
Speed
7.144 km/s
True Right ascension
16h 15m 09s
True Declination
56° 40' 53"
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
13:19:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,458.303 km
Perigee altitude
1,442.218 km
Semi-major axis
7,828.398 km
Eccentricity
0.00103
Inclination
74.006°
RAAN
89.6573°
Arg. of periapsis
143.3969°
True anomaly
336.17628°
Mean anomaly
336.2238°
Eccentric anomaly
336.20005°
Mean motion
3.13353 °/min
Orbital period
114.89 mins
BSTAR
-0.000021138
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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 1928 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-15 15:43:27.271Z | 20.838° NNE | 2025-12-15 15:46:27.271Z | 42.579° NE | 13.083° | 2025-12-15 15:49:27.271Z | 64.318° ENE |
| 15 mins | 2025-12-15 17:38:27.271Z | 349.23° N | 2025-12-15 17:45:27.271Z | 54.58° ENE | 40.648° | 2025-12-15 17:53:27.271Z | 143.992° SSE |
| 12 mins | 2025-12-15 19:37:27.271Z | 311.548° NW | 2025-12-15 19:42:27.271Z | 266.666° W | 25.952° | 2025-12-15 19:49:27.271Z | 210.534° SW |
| 12 mins | 2025-12-16 06:34:27.271Z | 140.081° SSE | 2025-12-16 06:39:27.271Z | 96.919° ESE | 25.175° | 2025-12-16 06:46:27.271Z | 40.923° NE |
| 15 mins | 2025-12-16 08:29:27.271Z | 215.904° SW | 2025-12-16 08:36:27.271Z | 296.388° NW | 41.447° | 2025-12-16 08:44:27.271Z | 12.72° NNE |
| 6 mins | 2025-12-16 10:33:27.271Z | 300.072° NW | 2025-12-16 10:35:27.271Z | 314.936° NW | 13.646° | 2025-12-16 10:39:27.271Z | 343.783° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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