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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
40699 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
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: 8 hours ago
TLE from 8 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
14:23:06
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
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #29 in the year 2015 (2015-06-23 UTC)
Did you know?
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
Loading observer location...
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 | 2025-12-24 15:33:59.057Z | 23.238° NE | 2025-12-24 15:37:59.057Z | 95.927° ESE | 39.994° | 2025-12-24 15:41:59.057Z | 176.959° S |
| 4 mins | 2025-12-24 17:13:59.057Z | 318.176° NNW | 2025-12-24 17:15:59.057Z | 289.585° WNW | 15.067° | 2025-12-24 17:17:59.057Z | 263.796° W |
| 7 mins | 2025-12-25 02:40:59.057Z | 147.369° SSE | 2025-12-25 02:43:59.057Z | 92.904° ESE | 39.832° | 2025-12-25 02:47:59.057Z | 358.46° N |
| 4 mins | 2025-12-25 14:43:59.057Z | 70.909° E | 2025-12-25 14:44:59.057Z | 85.448° E | 16.103° | 2025-12-25 14:47:59.057Z | 127.202° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|