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: 11 hours ago
TLE from 11 hours ago
0 COSMOS 2506
1 40699U 15029A 25358.28062168 .00000300 00000-0 80858-4 0 9997
2 40699 98.0730 40.4971 0006972 348.8666 11.2376 14.54306955557466Epoch: 2025-12-24T06:44Z
TLE epoch observation values (Epoch: 2025-12-24T06:44:05.713Z)
Latitude
-0°
Longitude
-153.57898°
Altitude
709.748 km
Speed
7.503 km/s
True Right ascension
02h 41m 59s
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
16:38:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
713.64 km
Perigee altitude
703.758 km
Semi-major axis
7,086.836 km
Eccentricity
0.0007
Inclination
98.073°
RAAN
40.4971°
Arg. of periapsis
348.8666°
True anomaly
11.25318°
Mean anomaly
11.2376°
Eccentric anomaly
11.24539°
Mean motion
3.63802 °/min
Orbital period
98.96 mins
BSTAR
0.000080858
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-12-25 02:40:13.809Z | 150.15° SSE | 2025-12-25 02:44:13.809Z | 78.877° E | 40.297° | 2025-12-25 02:48:13.809Z | 357.609° N |
| 4 mins | 2025-12-25 14:44:13.809Z | 74.316° E | 2025-12-25 14:45:13.809Z | 89.221° E | 16.234° | 2025-12-25 14:48:13.809Z | 129.78° SE |
| 7 mins | 2025-12-25 16:20:13.809Z | 355.827° N | 2025-12-25 16:23:13.809Z | 303.205° NW | 36.393° | 2025-12-25 16:27:13.809Z | 218.1° 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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