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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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: 15 hours ago
TLE from 15 hours ago
0 COSMOS 1275
1 12504U 81053A 26057.23855769 .00000048 00000-0 33980-4 0 9993
2 12504 82.9650 347.3851 0040739 127.0372 233.4522 13.74524662244034Epoch: 2026-02-26T05:43Z
TLE epoch observation values (Epoch: 2026-02-26T05:43:31.384Z)
Latitude
0.00002°
Longitude
105.41209°
Altitude
1,004.212 km
Speed
7.341 km/s
True Right ascension
23h 09m 32s
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
00:30:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,010.498 km
Perigee altitude
950.542 km
Semi-major axis
7,358.657 km
Eccentricity
0.00407
Inclination
82.965°
RAAN
347.3851°
Arg. of periapsis
127.0372°
True anomaly
233.0783°
Mean anomaly
233.4522°
Eccentric anomaly
233.26514°
Mean motion
3.43831 °/min
Orbital period
104.7 mins
BSTAR
0.00003398
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-26 21:37:06.618Z | 262.385° W | 2026-02-26 21:40:06.618Z | 293.979° NW | 15.605° | 2026-02-26 21:43:06.618Z | 324.838° NNW |
| 10 mins | 2026-02-27 06:47:06.618Z | 5.915° NNE | 2026-02-27 06:51:06.618Z | 69.007° E | 40.405° | 2026-02-27 06:57:06.618Z | 158.86° S |
| 6 mins | 2026-02-27 08:34:06.618Z | 303.354° NW | 2026-02-27 08:36:06.618Z | 279.856° WNW | 17.958° | 2026-02-27 08:40:06.618Z | 236.927° WSW |
| 6 mins | 2026-02-27 18:34:06.618Z | 111.194° ESE | 2026-02-27 18:36:06.618Z | 88.482° E | 18.309° | 2026-02-27 18:40:06.618Z | 44.617° NE |
| 10 mins | 2026-02-27 20:17:06.618Z | 205.104° SW | 2026-02-27 20:21:06.618Z | 262.129° W | 40.383° | 2026-02-27 20:27:06.618Z | 358.293° 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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