COSMOS 2494 (SKRL 756), 39491
Orbit data source: Space-Track
COSMOS 2494 (SKRL 756), 39491 is a payload satellite owned by PVO (CIS) in LEO that was launched on Sat, 28 Dec 2013 UTC via a SOYUZ-2-1V 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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39491 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
ALMAN?
Mission
Operational Defense Calibration
Bus & Motor
SKRL, Unknown motor
Mass
~50 kg wet, ~50 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Sphere, 0.4 m
Radar Cross Section
0.503 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 4 days ago
TLE from 4 days ago
0 COSMOS 2494 (SKRL 756)
1 39491U 13078B 26155.24988840 .00004635 00000-0 32596-3 0 9993
2 39491 82.4129 263.2849 0015083 246.8416 113.1222 15.04787748676862Epoch: 2026-06-04T05:59Z
TLE epoch observation values (Epoch: 2026-06-04T05:59:50.357Z)
Latitude
-0.00001°
Longitude
-79.37178°
Altitude
559.341 km
Speed
7.58 km/s
True Right ascension
17h 33m 08s
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
11:38:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
559.6 km
Perigee altitude
538.703 km
Semi-major axis
6,927.288 km
Eccentricity
0.00151
Inclination
82.4129°
RAAN
263.2849°
Arg. of periapsis
246.8416°
True anomaly
113.28104°
Mean anomaly
113.1222°
Eccentric anomaly
113.20163°
Mean motion
3.76442 °/min
Orbital period
95.63 mins
BSTAR
0.00032596
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Other satellites on launch #78 in the year 2013 (2013-12-28 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 2494 (SKRL 756) 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-08 07:28:09.701Z | 181.535° SSW | 2026-06-08 07:31:09.701Z | 150.052° SSE | 43.451° | 2026-06-08 07:35:09.701Z | 10.638° NNE |
| 5 mins | 2026-06-08 19:06:09.701Z | 325.588° NNW | 2026-06-08 19:08:09.701Z | 276.515° WNW | 32.731° | 2026-06-08 19:11:09.701Z | 203.615° SW |
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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