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COSMOS 2024 (ETALON 2), 20026

Orbit data source: Space-Track

COSMOS 2024 (ETALON 2), 20026 is a payload satellite owned by NPO PM (CIS) in MEO that was launched on Wed, 31 May 1989 UTC via a PROTON-K/DM-2 launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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/20026?theme=dark&initialShowStats=false

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Identifier

20026, 1989-039C

Orbit

MEO

Country

CIS

Related business

Federal Space Agency of Russia (Roscosmos) (RU)

Manufacturer

NPO PM

Mission

Operational Defense Geodetic

Bus & Motor

ETALON, Unknown motor

Mass

1,230 kg wet, 1,230 kg dry

Launch date (UTC)

1989-05-31 (37 years ago)

Launch vehicle

PROTON-K/DM-2

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, 0.6 m

Radar Cross Section

1.307 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 17 hours ago

TLE from 17 hours ago

0 COSMOS 2024 (ETALON 2)
1 20026U 89039C   25342.36417524 -.00000047  00000-0  00000-0 0  9999
2 20026  65.0532 317.1072 0020462 214.1642 325.6119  2.13204418284431

Epoch: 2025-12-08T08:44Z

TLE epoch observation values (Epoch: 2025-12-08T08:44:24.740Z)

Latitude

0.26236°

Longitude

-71.49553°

Altitude

19,079.281 km

Speed

3.96 km/s

True Right ascension

09h 07m 53s

True Declination

0° 15' 43"

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

23:37:09

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

19,173.508 km

Perigee altitude

19,069.154 km

Semi-major axis

25,499.468 km

Eccentricity

0.00205

Inclination

65.0532°

RAAN

317.1072°

Arg. of periapsis

214.1642°

True anomaly

325.47919°

Mean anomaly

325.6119°

Eccentric anomaly

325.54557°

Mean motion

0.53302 °/min

Orbital period

675.39 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

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Other satellites on launch #39 in the year 1989 (1989-05-31 UTC)

SL-12 DEB, 29321

SL-12 DEB, 29332 (Decayed)

SL-12 DEB, 29304 (Decayed)

SL-12 DEB, 20044

SL-12 DEB, 29342 (Decayed)

SL-12 R/B(1), 20027 (Decayed)

SL-12 R/B(AUX MOTOR), 20081

SL-12 R/B(AUX MOTOR), 20082

SL-12 DEB, 29348 (Decayed)

SL-12 DEB, 33587 (Decayed)

COSMOS 2022 (GLONASS), 20024

SL-12 DEB, 29515 (Decayed)

SL-12 DEB, 29514 (Decayed)

SL-12 DEB, 29338 (Decayed)

SL-12 DEB, 29449

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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COSMOS 2024 (ETALON 2) 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.
355 mins	2025-12-09 01:25:25.584Z	228.389° WSW	2025-12-09 03:57:25.584Z	336.771° NNW	40.467°	2025-12-09 07:20:25.584Z	116.038° SE
124 mins	2025-12-09 23:21:25.584Z	198.699° SSW	2025-12-10 01:25:25.584Z	261.92° W	43.31°	2025-12-10 01:25:25.584Z	261.92° W

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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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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

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Check out COSMOS 2024 (ETALON 2), 20026 on other resources

View COSMOS 2024 (ETALON 2), 20026 on NASA - NSSDCA Website

View COSMOS 2024 (ETALON 2), 20026 on Heavens-Above

View COSMOS 2024 (ETALON 2), 20026 on Keep Track

View COSMOS 2024 (ETALON 2), 20026 on Celestrak

View COSMOS 2024 (ETALON 2), 20026 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 2024 (ETALON 2), 20026

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 17 hours ago

TLE from 17 hours ago

TLE epoch observation values (Epoch: 2025-12-08T08:44:24.740Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #39 in the year 1989 (1989-05-31 UTC)

COSMOS 2024 (ETALON 2) Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 2024 (ETALON 2), 20026 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 17 hours ago