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: 13 hours ago
TLE from 13 hours ago
0 COSMOS 2506
1 40699U 15029A 25311.28841973 .00000321 00000-0 85976-4 0 9994
2 40699 98.0804 355.1377 0008403 119.1046 241.0994 14.54275701550631Epoch: 2025-11-07T06:55Z
TLE epoch observation values (Epoch: 2025-11-07T06:55:19.464Z)
Latitude
0.00001°
Longitude
-155.42793°
Altitude
717.582 km
Speed
7.495 km/s
True Right ascension
23h 40m 33s
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
16:26:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
714.756 km
Perigee altitude
702.846 km
Semi-major axis
7,086.938 km
Eccentricity
0.00084
Inclination
98.0804°
RAAN
355.1377°
Arg. of periapsis
119.1046°
True anomaly
241.01514°
Mean anomaly
241.0994°
Eccentric anomaly
241.05727°
Mean motion
3.63794 °/min
Orbital period
98.96 mins
BSTAR
0.000085976
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-11-08 02:50:49.130Z | 157.183° SSE | 2025-11-08 02:55:49.130Z | 44.707° NE | 42.555° | 2025-11-08 02:59:49.130Z | 352.882° N |
| 5 mins | 2025-11-08 14:54:49.130Z | 64.427° ENE | 2025-11-08 14:56:49.130Z | 96.392° ESE | 18.665° | 2025-11-08 14:59:49.130Z | 137.683° SSE |
| 7 mins | 2025-11-08 16:31:49.130Z | 348.487° N | 2025-11-08 16:34:49.130Z | 285.734° WNW | 33.081° | 2025-11-08 16:38:49.130Z | 221.479° 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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