COSMOS 2506, 40699
Orbit data source: Space-Track
COSMOS 2506, 40699 is a payload satellite owned by VVKO VKS (CIS) in SSO that was launched on Tue, 23 Jun 2015 UTC via a SOYUZ-2-1B 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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40699 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CISRelated business
Manufacturer
TsSKB-Progress
Mission
Operational Defense Imaging
Bus & Motor
PERSONA-1, 11D428
Mass
~7,000 kg wet, ~7,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 3.1 m
Radar Cross Section
16.222 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 20 hours ago
TLE from 20 hours ago
0 COSMOS 2506
1 40699U 15029A 25261.33646856 .00000134 00000-0 41812-4 0 9990
2 40699 98.0891 306.8740 0005926 280.4641 79.5888 14.54239566543372Epoch: 2025-09-18T08:04Z
TLE epoch observation values (Epoch: 2025-09-18T08:04:30.883Z)
Latitude
-0.00007°
Longitude
-171.75419°
Altitude
714.059 km
Speed
7.499 km/s
True Right ascension
20h 27m 29s
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
20:51:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
713.119 km
Perigee altitude
704.719 km
Semi-major axis
7,087.056 km
Eccentricity
0.00059
Inclination
98.0891°
RAAN
306.874°
Arg. of periapsis
280.4641°
True anomaly
79.6556°
Mean anomaly
79.5888°
Eccentric anomaly
79.6222°
Mean motion
3.63785 °/min
Orbital period
98.96 mins
BSTAR
0.000041812
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Other satellites on launch #29 in the year 2015 (2015-06-23 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 2506 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 | 2025-09-19 04:00:44.908Z | 213.647° SW | 2025-09-19 04:03:44.908Z | 257.682° W | 23.237° | 2025-09-19 04:07:44.908Z | 318.673° NNW |
| 8 mins | 2025-09-19 16:01:44.908Z | 12.664° NNE | 2025-09-19 16:05:44.908Z | 196.659° SSW | 44.456° | 2025-09-19 16:09:44.908Z | 194.388° SSW |
| 8 mins | 2025-09-20 03:07:44.908Z | 166.89° S | 2025-09-20 03:11:44.908Z | 315.852° NNW | 44.933° | 2025-09-20 03:15:44.908Z | 346.627° 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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