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: 22 hours ago
TLE from 22 hours ago
0 COSMOS 1275
1 12504U 81053A 25317.70679650 .00000112 00000-0 10144-3 0 9994
2 12504 82.9615 64.5675 0040817 60.9257 299.5978 13.74514059229671Epoch: 2025-11-13T16:57Z
TLE epoch observation values (Epoch: 2025-11-13T16:57:47.217Z)
Latitude
0.00006°
Longitude
117.05998°
Altitude
971.558 km
Speed
7.373 km/s
True Right ascension
04h 18m 16s
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
11:39:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,010.594 km
Perigee altitude
950.522 km
Semi-major axis
7,358.695 km
Eccentricity
0.00408
Inclination
82.9615°
RAAN
64.5675°
Arg. of periapsis
60.9257°
True anomaly
299.19008°
Mean anomaly
299.5978°
Eccentric anomaly
299.39404°
Mean motion
3.43829 °/min
Orbital period
104.7 mins
BSTAR
0.00010144
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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 | 2025-11-14 18:00:35.274Z | 22.539° NE | 2025-11-14 18:04:35.274Z | 67.645° E | 23.034° | 2025-11-14 18:09:35.274Z | 124.331° SE |
| 9 mins | 2025-11-14 19:46:35.274Z | 333.542° NNW | 2025-11-14 19:50:35.274Z | 271.262° WNW | 36.135° | 2025-11-14 19:55:35.274Z | 201.578° SSW |
| 10 mins | 2025-11-15 07:30:35.274Z | 166.834° S | 2025-11-15 07:35:35.274Z | 84.958° E | 40.328° | 2025-11-15 07:40:35.274Z | 16.872° NNE |
| 7 mins | 2025-11-15 09:18:35.274Z | 257.146° W | 2025-11-15 09:21:35.274Z | 292.704° NW | 18.736° | 2025-11-15 09:25:35.274Z | 334.816° NNW |
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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