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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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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 (8 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: 13 hours ago

TLE from 13 hours ago

0 COSMOS 2523
1 42986U 17037E   25338.77108641  .00003912  00000-0  35049-3 0  9991
2 42986  97.5089 355.1972 0068421 161.1432 199.2347 14.94557028439916

Epoch: 2025-12-04T18:30Z

TLE epoch observation values (Epoch: 2025-12-04T18:30:21.865Z)

Latitude

-0.00002°

Longitude

3.78335°

Altitude

631.821 km

Speed

7.518 km/s

True Right ascension

23h 40m 47s

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

05:43:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

628.365 km

Perigee altitude

533.139 km

Semi-major axis

6,958.889 km

Eccentricity

0.00684

Inclination

97.5089°

RAAN

355.1972°

Arg. of periapsis

161.1432°

True anomaly

198.97848°

Mean anomaly

199.2347°

Eccentric anomaly

199.10638°

Mean motion

3.73881 °/min

Orbital period

96.29 mins

BSTAR

0.00035049

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

SL-4 R/B, 42800 (Decayed)

VOLGA R/B, 42799 (Decayed)

COSMOS 2519, 42798 (Decayed)

COSMOS 2521, 42919 (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.
7 mins	2025-12-05 14:21:11.651Z	3.076° NNE	2025-12-05 14:24:11.651Z	308.778° NW	40.296°	2025-12-05 14:28:11.651Z	205.159° SW
7 mins	2025-12-06 01:10:11.651Z	158.474° S	2025-12-06 01:13:11.651Z	64.757° ENE	43.847°	2025-12-06 01:17:11.651Z	351.967° 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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2025-12-04T18:30:21.865Z)

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: 13 hours ago