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: 6 hours ago
TLE from 6 hours ago
0 COSMOS 1275
1 12504U 81053A 25311.30093100 .00000077 00000-0 64681-4 0 9990
2 12504 82.9605 69.2965 0041002 78.2498 282.3253 13.74512948228793Epoch: 2025-11-07T07:13Z
TLE epoch observation values (Epoch: 2025-11-07T07:13:20.438Z)
Latitude
-0.00007°
Longitude
-85.78553°
Altitude
979.987 km
Speed
7.365 km/s
True Right ascension
04h 37m 11s
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
09:36:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,010.734 km
Perigee altitude
950.39 km
Semi-major axis
7,358.699 km
Eccentricity
0.0041
Inclination
82.9605°
RAAN
69.2965°
Arg. of periapsis
78.2498°
True anomaly
281.86578°
Mean anomaly
282.3253°
Eccentric anomaly
282.09559°
Mean motion
3.43828 °/min
Orbital period
104.7 mins
BSTAR
0.000064681
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-11-07 18:18:29.586Z | 39.277° NE | 2025-11-07 18:21:29.586Z | 69.513° E | 13.431° | 2025-11-07 18:23:29.586Z | 89.701° E |
| 11 mins | 2025-11-07 20:02:29.586Z | 351.186° N | 2025-11-07 20:07:29.586Z | 271.651° WNW | 44.838° | 2025-11-07 20:13:29.586Z | 177.655° S |
| 9 mins | 2025-11-08 07:48:29.586Z | 139.666° SSE | 2025-11-08 07:52:29.586Z | 85.895° E | 27.969° | 2025-11-08 07:57:29.586Z | 28.009° NE |
| 9 mins | 2025-11-08 09:33:29.586Z | 225.878° WSW | 2025-11-08 09:37:29.586Z | 277.331° WNW | 29.81° | 2025-11-08 09:42:29.586Z | 345.039° 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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