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: 8 hours ago
TLE from 8 hours ago
0 COSMOS 1275
1 12504U 81053A 25286.18691162 .00000065 00000-0 52311-4 0 9993
2 12504 82.9566 87.8433 0040448 146.2100 214.1647 13.74510045225348Epoch: 2025-10-13T04:29Z
TLE epoch observation values (Epoch: 2025-10-13T04:29:09.163Z)
Latitude
0.00003°
Longitude
-1.43817°
Altitude
1,011.003 km
Speed
7.334 km/s
True Right ascension
05h 51m 22s
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
06:43:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,010.337 km
Perigee altitude
950.808 km
Semi-major axis
7,358.71 km
Eccentricity
0.00404
Inclination
82.9566°
RAAN
87.8433°
Arg. of periapsis
146.21°
True anomaly
213.9055°
Mean anomaly
214.1647°
Eccentric anomaly
214.03499°
Mean motion
3.43828 °/min
Orbital period
104.7 mins
BSTAR
0.000052311
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-13 13:23:34.987Z | 264.626° W | 2025-10-13 13:26:34.987Z | 294.521° NW | 14.128° | 2025-10-13 13:29:34.987Z | 324.027° NNW |
| 10 mins | 2025-10-13 22:33:34.987Z | 2.636° NNE | 2025-10-13 22:37:34.987Z | 65.306° ENE | 42.293° | 2025-10-13 22:43:34.987Z | 163.036° S |
| 5 mins | 2025-10-14 00:20:34.987Z | 301.942° NW | 2025-10-14 00:22:34.987Z | 279.662° WNW | 16.005° | 2025-10-14 00:25:34.987Z | 247.36° WSW |
| 7 mins | 2025-10-14 10:19:34.987Z | 122.133° SE | 2025-10-14 10:22:34.987Z | 88.243° E | 20.59° | 2025-10-14 10:26:34.987Z | 42.621° NE |
| 10 mins | 2025-10-14 12:03:34.987Z | 210.176° SW | 2025-10-14 12:07:34.987Z | 267.344° W | 38.418° | 2025-10-14 12:13:34.987Z | 356.176° 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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