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BEIDOU 3M21, 44793

Orbit data source: Space-Track

BEIDOU 3M21, 44793 is a payload satellite owned by CNSA (CN) in MEO that was launched on Sat, 23 Nov 2019 UTC via a CHANG ZHENG 3B/YZ-1 launch vehicle from the Xichang Space Center, China (XSC). 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/44793?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

44793, 2019-078A

Orbit

MEO

Country

CN / PRC

Related business

China National Space Administration (CN)

Manufacturer

SECM

Mission

Operational Defense Navigation

Bus & Motor

BD-3M2, Unknown motor

Mass

1,014 kg wet, ~850 kg dry

Launch date (UTC)

2019-11-23 (6 years ago)

Launch vehicle

CHANG ZHENG 3B/YZ-1

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, Unknown HBR

Radar Cross Section

8.984 m², Large (>1 m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 BEIDOU 3M21
1 44793U 19078A   25259.77352443 -.00000051  00000-0  00000-0 0  9997
2 44793  54.1843 309.4377 0004495  28.7896 331.3007  1.86232104 39555

Epoch: 2025-09-16T18:33Z

TLE epoch observation values (Epoch: 2025-09-16T18:33:52.51Z)

Latitude

-0.00001°

Longitude

35.02938°

Altitude

21,517.179 km

Speed

3.781 km/s

True Right ascension

20h 37m 49s

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

19:56:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

21,540.524 km

Perigee altitude

21,515.436 km

Semi-major axis

27,906.117 km

Eccentricity

0.00045

Inclination

54.1843°

RAAN

309.4377°

Arg. of periapsis

28.7896°

True anomaly

331.27595°

Mean anomaly

331.3007°

Eccentric anomaly

331.28833°

Mean motion

0.46558 °/min

Orbital period

773.23 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #78 in the year 2019 (2019-11-23 UTC)

BEIDOU 3M22, 44794

YZ-1 R/B, 44795

CZ-3B R/B, 44796

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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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BEIDOU 3M21 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.
394 mins	2025-09-18 10:18:14.023Z	282.555° WNW	2025-09-18 13:54:14.023Z	247.862° W	44.815°	2025-09-18 16:52:14.023Z	175.257° S

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 BEIDOU 3M21, 44793 on other resources

View BEIDOU 3M21, 44793 on NASA - NSSDCA Website

View BEIDOU 3M21, 44793 on Heavens-Above

View BEIDOU 3M21, 44793 on Keep Track

View BEIDOU 3M21, 44793 on Celestrak

View BEIDOU 3M21, 44793 on Gunter's Space Page

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

BEIDOU 3M21, 44793

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: 2025-09-16T18:33:52.51Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #78 in the year 2019 (2019-11-23 UTC)

BEIDOU 3M21 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BEIDOU 3M21, 44793 on other resources

Documentation

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