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EXPRESS AMU-3, 50002

Orbit data source: Space-Track

EXPRESS AMU-3, 50002 is a payload satellite owned by KosSvyaz (CIS) in GEO that was launched on Mon, 13 Dec 2021 UTC via a PROTON-M/BRIZ-M 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/50002?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/50002?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

50002, 2021-123B

Orbit

GEO

Country

CIS

Related business

Russian Satellite Communication Company (RU)

Manufacturer

Resehetnev ISS

Mission

Operational Commercial Communications

Bus & Motor

EKSPRESS-1000N, AOCS

Mass

2,150 kg wet, ~1,800 kg dry

Launch date (UTC)

2021-12-13 (5 years ago)

Launch vehicle

PROTON-M/BRIZ-M

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 7.5 m

Radar Cross Section

16.987 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 1 day ago

TLE from 1 day ago

0 EXPRESS AMU-3
1 50002U 21123B   26171.96648715  .00000000  00000-0  00000+0 0  9998
2 50002   0.0209 335.7514 0000400 303.9567  80.2873  1.00269559  7074

Epoch: 2026-06-20T23:11Z

TLE epoch observation values (Epoch: 2026-06-20T23:11:44.489Z)

Latitude

0.01101°

Longitude

102.90256°

Altitude

35,786.425 km

Speed

3.075 km/s

True Right ascension

00h 00m 02s

True Declination

0° 00' 40"

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

21:34:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,789.976 km

Perigee altitude

35,786.603 km

Semi-major axis

42,166.426 km

Eccentricity

0.00004

Inclination

0.0209°

RAAN

335.7514°

Arg. of periapsis

303.9567°

True anomaly

80.29182°

Mean anomaly

80.2873°

Eccentric anomaly

80.28956°

Mean motion

0.25066 °/min

Orbital period

1,436.18 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

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Other satellites on launch #123 in the year 2021 (2021-12-13 UTC)

BREEZE-M DEB (TANK), 50004

BREEZE-M R/B, 50003

EXPRESS AMU-7, 50001

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

EXPRESS AMU-3 Visibility

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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.
EXPRESS AMU-3 is likely not visible in the next few days.

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50002 neighbors

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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 EXPRESS AMU-3, 50002 on other resources

View EXPRESS AMU-3, 50002 on NASA - NSSDCA Website

View EXPRESS AMU-3, 50002 on Heavens-Above

View EXPRESS AMU-3, 50002 on Keep Track

View EXPRESS AMU-3, 50002 on Celestrak

View EXPRESS AMU-3, 50002 on Gunter's Space Page

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

EXPRESS AMU-3, 50002

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-06-20T23:11:44.489Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #123 in the year 2021 (2021-12-13 UTC)

EXPRESS AMU-3 Visibility

50002 neighbors

Co-orbital & Co-planar RSOs

Check out EXPRESS AMU-3, 50002 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago