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COSMOS 2503, 40420

Orbit data source: Space-Track

COSMOS 2503, 40420 is a payload satellite owned by VVKO VKS (CIS) in SSO that was launched on Fri, 27 Feb 2015 UTC via a SOYUZ-2-1A 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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Identifier
40420, 2015-009A
Orbit
SSO
Last TLE update
9 hours ago
Origin
Manufacturer
Arsenal
Mission
Operational Defense Imaging
Bus & Motor
BARS, AOCS
Mass
3,700 kg wet, ~3,500 kg dry
Launch date (UTC)
2015-02-27 (10 years ago)
Launch vehicle
SOYUZ-2-1A
Launch site
Plesetsk Missile And Space Complex (PKMTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cyl + 2 Pan, 10 m
Radar Cross Section
20.881 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago
0 COSMOS 2503
1 40420U 15009A   25186.61000261  .00001751  00000-0  12730-3 0  9993
2 40420  97.8816 231.8244 0016266 348.9150  11.1715 15.05125275566776
Epoch: 2025-07-05T14:38Z
TLE epoch observation values (Epoch: 2025-07-05T14:38:24.225Z)
Latitude
-0.00002°
Longitude
88.37789°
Altitude
543.118 km
Speed
7.597 km/s
True Right ascension
15h 27m 17s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
-53.43897°
Longitude
99.47364°
Altitude
563.445 km
Speed
7.583 km/s
Apparent Right ascension
20h 33m 38s
Apparent Declination
-63° 16' 04"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
11:54:54
Azimuth
145.341° SSE
Elevation
-52.503°
Doppler factor
1
Orbital elements
Apogee altitude
559.394 km
Perigee altitude
536.861 km
Semi-major axis
6,926.265 km
Eccentricity
0.00163
Inclination
97.8816°
RAAN
231.8244°
Arg. of periapsis
348.915°
True anomaly
Unknown
Mean anomaly
11.1715°
Eccentric anomaly
Unknown
Mean motion
3.76526 °/min
Orbital period
95.61 mins
BSTAR
0.0001273
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Other satellites on launch #9 in the year 2015 (2015-02-27 UTC)

COSMOS 2503 Visibility forecast

Observer location: undefined°, undefined°

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.
4 mins2025-07-06 01:58:28.095Z95.763° ESE2025-07-06 02:00:28.095Z62.413° ENE14.552°2025-07-06 02:02:28.095Z31.133° NE
5 mins2025-07-06 03:32:28.095Z204.105° SW2025-07-06 03:34:28.095Z253.679° W31.419°2025-07-06 03:37:28.095Z324.98° NNW
4 mins2025-07-06 15:10:28.095Z64.826° ENE2025-07-06 15:11:28.095Z85.933° E21.594°2025-07-06 15:14:28.095Z143.852° SSE
5 mins2025-07-06 16:44:28.095Z332.136° NNW2025-07-06 16:46:28.095Z291.712° WNW22.347°2025-07-06 16:49:28.095Z238.809° WSW
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