Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/40420?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/40420?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

40420, 2015-009A

Orbit

SSO

Country

CIS

Related business

Russian Space Forces (RU)

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 (11 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, 5.0 m

Radar Cross Section

20.881 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 COSMOS 2503
1 40420U 15009A   26036.07749331  .00002439  00000-0  17076-3 0  9998
2 40420  97.8510  90.5085 0015775 345.0138  15.0619 15.06145825599044

Epoch: 2026-02-05T01:51Z

TLE epoch observation values (Epoch: 2026-02-05T01:51:35.421Z)

Latitude

-0.00003°

Longitude

-72.62398°

Altitude

540.497 km

Speed

7.598 km/s

True Right ascension

06h 02m 02s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

13:32:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

555.916 km

Perigee altitude

534.073 km

Semi-major axis

6,923.131 km

Eccentricity

0.00158

Inclination

97.851°

RAAN

90.5085°

Arg. of periapsis

345.0138°

True anomaly

15.10896°

Mean anomaly

15.0619°

Eccentric anomaly

15.08542°

Mean motion

3.76781 °/min

Orbital period

95.55 mins

BSTAR

0.00017076

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #9 in the year 2015 (2015-02-27 UTC)

SL-4 R/B, 40421 (Decayed)

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.

Click here to try in Sandbox

COSMOS 2503 Visibility forecast

Loading observer location...
Set 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.
6 mins	2026-02-05 16:46:48.935Z	354.051° N	2026-02-05 16:49:48.935Z	264.524° W	35.698°	2026-02-05 16:52:48.935Z	213.811° SW
6 mins	2026-02-06 03:30:48.935Z	163.203° S	2026-02-06 03:32:48.935Z	129.901° SE	44.627°	2026-02-06 03:36:48.935Z	348.883° N

Items per page:

1–2 of 2 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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

Check out COSMOS 2503, 40420 on other resources

View COSMOS 2503, 40420 on NASA - NSSDCA Website

View COSMOS 2503, 40420 on Heavens-Above

View COSMOS 2503, 40420 on Keep Track

View COSMOS 2503, 40420 on Celestrak

View COSMOS 2503, 40420 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

COSMOS 2503, 40420

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-02-05T01:51:35.421Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #9 in the year 2015 (2015-02-27 UTC)

COSMOS 2503 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 2503, 40420 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago