COSMOS 1275, 12504
Orbit data source: Space-Track
COSMOS 1275, 12504 is a payload satellite owned by VMF (CIS) in LEO that was launched on Thu, 04 Jun 1981 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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12504 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
Omsk Av. Zav.
Mission
Spacecraft
Bus & Motor
KAUR-1 11F627, Unknown motor
Mass
800 kg wet, 800 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 COSMOS 1275
1 12504U 81053A 25332.19274620 .00000059 00000-0 45657-4 0 9990
2 12504 82.9621 53.8740 0040094 21.4001 338.8820 13.74515782231667Epoch: 2025-11-28T04:37Z
TLE epoch observation values (Epoch: 2025-11-28T04:37:33.271Z)
Latitude
-0.00002°
Longitude
-82.85346°
Altitude
958.779 km
Speed
7.386 km/s
True Right ascension
03h 35m 29s
True Declination
0° 00' 00"
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
12:57:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,010.056 km
Perigee altitude
951.048 km
Semi-major axis
7,358.689 km
Eccentricity
0.00401
Inclination
82.9621°
RAAN
53.874°
Arg. of periapsis
21.4001°
True anomaly
338.71569°
Mean anomaly
338.882°
Eccentric anomaly
338.79892°
Mean motion
3.43829 °/min
Orbital period
104.7 mins
BSTAR
0.000045657
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Other satellites on launch #53 in the year 1981 (1981-06-04 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 1275 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-11-28 17:27:13.730Z | 357.149° N | 2025-11-28 17:32:13.730Z | 131.568° SE | 43.933° | 2025-11-28 17:37:13.730Z | 169.372° S |
| 4 mins | 2025-11-28 19:15:13.730Z | 292.518° NW | 2025-11-28 19:16:13.730Z | 282.117° WNW | 13.98° | 2025-11-28 19:19:13.730Z | 252.492° W |
| 8 mins | 2025-11-29 05:13:13.730Z | 128.301° SE | 2025-11-29 05:16:13.730Z | 91.605° ESE | 23.249° | 2025-11-29 05:21:13.730Z | 33.778° NE |
| 10 mins | 2025-11-29 06:57:13.730Z | 216.064° SW | 2025-11-29 07:02:13.730Z | 292.524° NW | 34.417° | 2025-11-29 07:07:13.730Z | 352.347° 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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