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: 9 hours ago
TLE from 9 hours ago
0 COSMOS 1275
1 12504U 81053A 25353.59404850 .00000064 00000-0 52035-4 0 9991
2 12504 82.9606 38.0725 0038759 321.2929 38.5450 13.74518201234602Epoch: 2025-12-19T14:15Z
TLE epoch observation values (Epoch: 2025-12-19T14:15:25.790Z)
Latitude
-0.00005°
Longitude
95.78207°
Altitude
964.017 km
Speed
7.381 km/s
True Right ascension
02h 32m 17s
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
22:09:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,009.065 km
Perigee altitude
952.022 km
Semi-major axis
7,358.68 km
Eccentricity
0.00388
Inclination
82.9606°
RAAN
38.0725°
Arg. of periapsis
321.2929°
True anomaly
38.82281°
Mean anomaly
38.545°
Eccentric anomaly
38.6838°
Mean motion
3.4383 °/min
Orbital period
104.7 mins
BSTAR
0.000052035
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-12-20 02:37:05.886Z | 124.606° SE | 2025-12-20 02:41:05.886Z | 80.277° E | 19.667° | 2025-12-20 02:45:05.886Z | 38.846° NE |
| 10 mins | 2025-12-20 04:21:05.886Z | 206.76° SW | 2025-12-20 04:26:05.886Z | 288.673° WNW | 39.329° | 2025-12-20 04:31:05.886Z | 355.739° N |
| 6 mins | 2025-12-20 13:35:05.886Z | 40.73° NE | 2025-12-20 13:38:05.886Z | 73.993° E | 17.306° | 2025-12-20 13:41:05.886Z | 104.559° ESE |
| 10 mins | 2025-12-20 15:19:05.886Z | 345.339° N | 2025-12-20 15:24:05.886Z | 245.342° WSW | 42.773° | 2025-12-20 15:29:05.886Z | 186.29° 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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