COSMOS 1261, 12376
Orbit data source: Space-Track
COSMOS 1261, 12376 is a payload satellite owned by PVO (CIS) in HEO that was launched on Tue, 31 Mar 1981 UTC via an MOLNIYA 8K78M 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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12376 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Last TLE update
21 hours ago
Origin
Manufacturer
NPOL/KOMET
Mission
Defense Early Warn
Bus & Motor
OKO, Unknown motor
Mass
~1,250 kg wet, ~1,150 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Irr + 6 Pan, 4.2 m
Radar Cross Section
15.540 m², Large (>1 m²)
Expand to show TLE details & history
TLE from 21 hours ago
0 COSMOS 1261
1 12376U 81031A 25181.50753457 .00000410 00000-0 00000-0 0 9990
2 12376 68.5109 110.5070 6049272 359.7006 359.9918 2.00795175220413Epoch: 2025-06-30T12:10Z
TLE epoch observation values (Epoch: 2025-06-30T12:10:50.986Z)
Latitude
0.00029°
Longitude
8.98269°
Altitude
4,098.643 km
Speed
7.815 km/s
True Right ascension
07h 22m 02s
True Declination
0° 00' 01"
Sunlit
Visualization orbit readout
Latitude
-25.14098°
Longitude
-160.47017°
Altitude
29,963.705 km
Speed
2.631 km/s
Apparent Right ascension
20h 00m 49s
Apparent Declination
-34° 49' 21"
Sunlit
Visualization observer readout
Local Sidereal Time
20:23:47
Azimuth
184.882° SSW
Elevation
15.074°
Doppler factor
1
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Other satellites on launch #31 in the year 1981 (1981-03-31 UTC)
COSMOS 1261 Visibility forecast
Observer location: undefined°, undefined°
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. |
|---|---|---|---|---|---|---|---|
| 19 mins | 2025-07-01 08:45:37.439Z | 184.88° SSW | 2025-07-01 08:45:37.439Z | 184.88° SSW | 14.567° | 2025-07-01 09:04:37.439Z | 187.203° SSW |
| 508 mins | 2025-07-02 00:17:37.439Z | 280.013° WNW | 2025-07-02 00:45:37.439Z | 355.1° N | 35.653° | 2025-07-02 08:45:37.439Z | 185.285° SSW |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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