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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)

Expand to show TLE details & history
Last TLE update: 11 hours ago

TLE from 11 hours ago

0 BEIDOU 3M21
1 44793U 19078A   26085.92725341 -.00000030  00000-0  00000+0 0  9999
2 44793  54.0099 302.7228 0007447  40.9040 319.1874  1.86231924 43117

Epoch: 2026-03-26T22:15Z

TLE epoch observation values (Epoch: 2026-03-26T22:15:14.694Z)

Latitude

-0.00007°

Longitude

144.55918°

Altitude

21,512.468 km

Speed

3.782 km/s

True Right ascension

20h 10m 57s

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

14:17:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

21,548.786 km

Perigee altitude

21,507.223 km

Semi-major axis

27,906.142 km

Eccentricity

0.00074

Inclination

54.0099°

RAAN

302.7228°

Arg. of periapsis

40.904°

True anomaly

319.13159°

Mean anomaly

319.1874°

Eccentric anomaly

319.1595°

Mean motion

0.46558 °/min

Orbital period

773.23 mins

BSTAR

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

YZ-1 R/B, 44795

CZ-3B R/B, 44796

BEIDOU 3M22, 44794

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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.
216 mins	2026-03-27 10:59:41.368Z	116.206° SE	2026-03-27 12:50:41.368Z	72.446° E	26.617°	2026-03-27 14:35:41.368Z	38.754° NE
220 mins	2026-03-28 02:59:41.368Z	320.943° NNW	2026-03-28 04:45:41.368Z	287.006° WNW	27.205°	2026-03-28 06:39:41.368Z	242.136° WSW

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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 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: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-03-26T22:15:14.694Z)

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: 11 hours ago