COSMOS 2498, 39763
Orbit data source: Space-Track
COSMOS 2498, 39763 is a payload satellite owned by VVKO (CIS) in LEO that was launched on Fri, 23 May 2014 UTC via an ROKOT 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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39763 intel report (Beta)
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Identifier
Orbit
Country
CISRelated business
Manufacturer
Resehetnev ISS
Mission
Operational Defense Communications
Bus & Motor
STRELA-3M, Unknown motor
Mass
280 kg wet, 280 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 1 Ant, 3.5 m
Radar Cross Section
1.583 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 COSMOS 2498
1 39763U 14028C 26155.25825440 .00000020 00000-0 69367-4 0 9999
2 39763 82.4449 117.0064 0022487 100.5336 259.8278 12.42979590545947Epoch: 2026-06-04T06:11Z
TLE epoch observation values (Epoch: 2026-06-04T06:11:53.180Z)
Latitude
-0.00005°
Longitude
131.32971°
Altitude
1,499.861 km
Speed
7.113 km/s
True Right ascension
07h 48m 01s
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
07:40:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,509.047 km
Perigee altitude
1,473.655 km
Semi-major axis
7,869.488 km
Eccentricity
0.00225
Inclination
82.4449°
RAAN
117.0064°
Arg. of periapsis
100.5336°
True anomaly
259.5743°
Mean anomaly
259.8278°
Eccentric anomaly
259.70103°
Mean motion
3.10902 °/min
Orbital period
115.79 mins
BSTAR
0.000069367
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Other satellites on launch #28 in the year 2014 (2014-05-23 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 2498 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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-06-04 21:48:03.243Z | 158.845° S | 2026-06-04 21:52:03.243Z | 88.9° E | 41.99° | 2026-06-04 22:00:03.243Z | 14.34° NNE |
| 12 mins | 2026-06-04 23:44:03.243Z | 245.636° WSW | 2026-06-04 23:49:03.243Z | 288.42° WNW | 24.507° | 2026-06-04 23:56:03.243Z | 345.438° N |
| 13 mins | 2026-06-05 07:56:03.243Z | 15.821° NNE | 2026-06-05 08:02:03.243Z | 66.952° ENE | 26.709° | 2026-06-05 08:09:03.243Z | 125.749° SE |
| 14 mins | 2026-06-05 09:53:03.243Z | 340.554° N | 2026-06-05 09:59:03.243Z | 281.348° WNW | 39.982° | 2026-06-05 10:07:03.243Z | 195.149° SSW |
| 13 mins | 2026-06-05 20:57:03.243Z | 139.33° SSE | 2026-06-05 21:03:03.243Z | 83.233° E | 29.848° | 2026-06-05 21:10:03.243Z | 25.768° NE |
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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