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COSMOS 2557 (GLONASS), 52984

Orbit data source: Space-Track

COSMOS 2557 (GLONASS), 52984 is a Commonwealth of Independent States-origin payload satellite in MEO that was launched on Thu, 07 Jul 2022 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.

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Iframe URL

https://www.satcat.com/sats-embedded/52984?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

52984, 2022-075A

Orbit

MEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Resehetnev ISS

Mission

Operational Defense Navigation

Bus & Motor

EKSPRESS-1000, AOCS

Mass

974 kg wet, ~800 kg dry

Launch date (UTC)

2022-07-07 (4 years ago)

Launch vehicle

SOYUZ-2-1B

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 2.5 m

Radar Cross Section

3.585 m², Large (>1 m²)

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

TLE from 2 days ago

0 COSMOS 2557 (GLONASS)
1 52984U 22075A   26171.86302699 -.00000067  00000-0  00000+0 0  9997
2 52984  64.2965 314.3556 0010286 273.9736  85.9018  2.13102004 30796

Epoch: 2026-06-20T20:42Z

TLE epoch observation values (Epoch: 2026-06-20T20:42:45.531Z)

Latitude

-0.00003°

Longitude

94.5804°

Altitude

19,128.574 km

Speed

3.953 km/s

True Right ascension

20h 57m 21s

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

23:09:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

19,155.764 km

Perigee altitude

19,103.289 km

Semi-major axis

25,507.664 km

Eccentricity

0.00103

Inclination

64.2965°

RAAN

314.3556°

Arg. of periapsis

273.9736°

True anomaly

86.01938°

Mean anomaly

85.9018°

Eccentric anomaly

85.96059°

Mean motion

0.53277 °/min

Orbital period

675.72 mins

BSTAR

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Other satellites on launch #75 in the year 2022 (2022-07-07 UTC)

FREGAT R/B, 52985

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COSMOS 2557 (GLONASS) 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.
260 mins	2026-06-22 19:50:00.740Z	322.901° NNW	2026-06-22 22:02:00.740Z	273.496° WNW	42.135°	2026-06-23 00:10:00.740Z	203.544° SW
131 mins	2026-06-23 05:39:00.740Z	86.819° E	2026-06-23 06:45:00.740Z	53.849° ENE	20.376°	2026-06-23 07:50:00.740Z	24.413° NE

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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 2557 (GLONASS), 52984 on other resources

View COSMOS 2557 (GLONASS), 52984 on NASA - NSSDCA Website

View COSMOS 2557 (GLONASS), 52984 on Heavens-Above

View COSMOS 2557 (GLONASS), 52984 on Keep Track

View COSMOS 2557 (GLONASS), 52984 on Celestrak

View COSMOS 2557 (GLONASS), 52984 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 2557 (GLONASS), 52984

Orbit data source: Space-Track

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

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T20:42:45.531Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #75 in the year 2022 (2022-07-07 UTC)

COSMOS 2557 (GLONASS) Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 2557 (GLONASS), 52984 on other resources

Documentation

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