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COSMOS 2523, 42986

Orbit data source: Space-Track

COSMOS 2523, 42986 is a payload satellite owned by VVKO VKS (CIS) in SSO that was launched on Fri, 23 Jun 2017 UTC via a SOYUZ-2-1V 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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Iframe URL

https://www.satcat.com/sats-embedded/42986?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42986, 2017-037E

Orbit

SSO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

TSKHM?

Mission

Operational Defense Technology

Bus & Motor

NAPRAZHENIYE?, Unknown motor

Mass

~47 kg wet, ~47 kg dry

Launch date (UTC)

2017-06-23 (9 years ago)

Launch vehicle

SOYUZ-2-1V

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.2 m

Radar Cross Section

0.100 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 2 hours ago

TLE from 2 hours ago

0 COSMOS 2523
1 42986U 17037E   26038.23743867  .00001125  00000-0  10399-3 0  9990
2 42986  97.5066  56.8869 0066517 306.8260  52.6871 14.94920409449543

Epoch: 2026-02-07T05:41Z

TLE epoch observation values (Epoch: 2026-02-07T05:41:54.701Z)

Latitude

-0.00002°

Longitude

-165.95486°

Altitude

557.797 km

Speed

7.598 km/s

True Right ascension

03h 47m 32s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

10:17:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

625.904 km

Perigee altitude

533.342 km

Semi-major axis

6,957.76 km

Eccentricity

0.00665

Inclination

97.5066°

RAAN

56.8869°

Arg. of periapsis

306.826°

True anomaly

53.29639°

Mean anomaly

52.6871°

Eccentric anomaly

52.99144°

Mean motion

3.73972 °/min

Orbital period

96.26 mins

BSTAR

0.00010399

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Other satellites on launch #37 in the year 2017 (2017-06-23 UTC)

COSMOS 2519, 42798 (Decayed)

COSMOS 2521, 42919 (Decayed)

SL-4 R/B, 42800 (Decayed)

VOLGA R/B, 42799 (Decayed)

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COSMOS 2523 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.
6 mins	2026-02-07 14:18:41.784Z	355.873° N	2026-02-07 14:20:41.784Z	315.124° NNW	38.638°	2026-02-07 14:24:41.784Z	209.852° SW
6 mins	2026-02-08 01:06:41.784Z	162.096° S	2026-02-08 01:09:41.784Z	14.033° NNE	43.492°	2026-02-08 01:12:41.784Z	350.551° N

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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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Check out COSMOS 2523, 42986 on other resources

View COSMOS 2523, 42986 on NASA - NSSDCA Website

View COSMOS 2523, 42986 on Heavens-Above

View COSMOS 2523, 42986 on Keep Track

View COSMOS 2523, 42986 on Celestrak

View COSMOS 2523, 42986 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 2523, 42986

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 hours ago

TLE from 2 hours ago

TLE epoch observation values (Epoch: 2026-02-07T05:41:54.701Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #37 in the year 2017 (2017-06-23 UTC)

COSMOS 2523 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 2523, 42986 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 hours ago