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 25362.62045203 .00000049 00000-0 35920-4 0 9995
2 12504 82.9598 31.4061 0038399 295.4312 64.2872 13.74518871235844Epoch: 2025-12-28T14:53Z
TLE epoch observation values (Epoch: 2025-12-28T14:53:27.055Z)
Latitude
-0.00002°
Longitude
70.71355°
Altitude
974.113 km
Speed
7.371 km/s
True Right ascension
02h 05m 37s
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
20:37:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,008.798 km
Perigee altitude
952.284 km
Semi-major axis
7,358.678 km
Eccentricity
0.00384
Inclination
82.9598°
RAAN
31.4061°
Arg. of periapsis
295.4312°
True anomaly
64.68447°
Mean anomaly
64.2872°
Eccentric anomaly
64.48575°
Mean motion
3.4383 °/min
Orbital period
104.7 mins
BSTAR
0.00003592
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-29 01:30:43.112Z | 119.238° SE | 2025-12-29 01:33:43.112Z | 87.7° E | 18.17° | 2025-12-29 01:37:43.112Z | 44.604° NE |
| 10 mins | 2025-12-29 03:14:43.112Z | 204.424° SW | 2025-12-29 03:18:43.112Z | 263.682° W | 40.911° | 2025-12-29 03:24:43.112Z | 358.749° N |
| 5 mins | 2025-12-29 12:28:43.112Z | 45.192° ENE | 2025-12-29 12:30:43.112Z | 66.58° ENE | 15.959° | 2025-12-29 12:33:43.112Z | 97.611° ESE |
| 11 mins | 2025-12-29 14:11:43.112Z | 348.585° N | 2025-12-29 14:16:43.112Z | 293.008° NW | 43.827° | 2025-12-29 14:22:43.112Z | 182.272° SSW |
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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