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: 13 hours ago
TLE from 13 hours ago
0 COSMOS 1275
1 12504U 81053A 25309.26269842 .00000050 00000-0 36505-4 0 9995
2 12504 82.9602 70.8015 0041043 83.7513 276.8316 13.74512619228511Epoch: 2025-11-05T06:18Z
TLE epoch observation values (Epoch: 2025-11-05T06:18:17.143Z)
Latitude
0.00001°
Longitude
-68.50781°
Altitude
982.842 km
Speed
7.362 km/s
True Right ascension
04h 43m 12s
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
15:03:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,010.766 km
Perigee altitude
950.361 km
Semi-major axis
7,358.7 km
Eccentricity
0.0041
Inclination
82.9602°
RAAN
70.8015°
Arg. of periapsis
83.7513°
True anomaly
276.36434°
Mean anomaly
276.8316°
Eccentric anomaly
276.598°
Mean motion
3.43828 °/min
Orbital period
104.7 mins
BSTAR
0.000036505
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-11-05 19:06:56.492Z | 18.165° NNE | 2025-11-05 19:11:56.492Z | 76.704° E | 24.627° | 2025-11-05 19:15:56.492Z | 124.138° SE |
| 10 mins | 2025-11-05 20:52:56.492Z | 333.519° NNW | 2025-11-05 20:56:56.492Z | 281.497° WNW | 33.641° | 2025-11-05 21:02:56.492Z | 202.482° SSW |
| 10 mins | 2025-11-06 08:37:56.492Z | 169.123° S | 2025-11-06 08:41:56.492Z | 107.32° ESE | 41.877° | 2025-11-06 08:47:56.492Z | 13.828° NNE |
| 6 mins | 2025-11-06 10:25:56.492Z | 264.221° W | 2025-11-06 10:27:56.492Z | 287.04° WNW | 17.27° | 2025-11-06 10:31:56.492Z | 330.095° NNW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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