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BEIDOU 3M20, 44865

Orbit data source: Space-Track

BEIDOU 3M20, 44865 is a payload satellite owned by CNSA (CN) in MEO that was launched on Mon, 16 Dec 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/44865?theme=dark&initialShowStats=false

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Identifier

44865, 2019-090B

Orbit

MEO

Country

CN / PRC

Related business

China National Space Administration (CN)

Manufacturer

CAST

Mission

Operational Defense Navigation

Bus & Motor

BD-3M, Unknown motor

Mass

1,014 kg wet, ~850 kg dry

Launch date (UTC)

2019-12-16 (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: 5 days ago

TLE from 5 days ago

0 BEIDOU 3M20
1 44865U 19090B   25337.44263735 -.00000050  00000-0  00000-0 0  9996
2 44865  56.3867  69.3045 0014714 297.7194 129.1388  1.86231029 40577

Epoch: 2025-12-03T10:37Z

TLE epoch observation values (Epoch: 2025-12-03T10:37:23.867Z)

Latitude

50.11067°

Longitude

-110.05269°

Altitude

21,560.632 km

Speed

3.777 km/s

True Right ascension

08h 07m 14s

True Declination

50° 04' 03"

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

10:53:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

21,569.063 km

Perigee altitude

21,486.941 km

Semi-major axis

27,906.139 km

Eccentricity

0.00147

Inclination

56.3867°

RAAN

69.3045°

Arg. of periapsis

297.7194°

True anomaly

129.26943°

Mean anomaly

129.1388°

Eccentric anomaly

129.20413°

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 #90 in the year 2019 (2019-12-16 UTC)

BEIDOU 3M19, 44864

YZ-1 R/B, 44866

CZ-3B R/B, 44867

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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 3M20 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.
116 mins	2025-12-08 20:37:11.026Z	324.092° NNW	2025-12-08 21:34:11.026Z	303.874° NW	15.505°	2025-12-08 22:33:11.026Z	281.057° WNW
369 mins	2025-12-09 04:50:11.026Z	175.685° S	2025-12-09 07:39:11.026Z	102.174° ESE	44.353°	2025-12-09 10:59:11.026Z	65.955° ENE

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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 3M20, 44865 on other resources

View BEIDOU 3M20, 44865 on NASA - NSSDCA Website

View BEIDOU 3M20, 44865 on Heavens-Above

View BEIDOU 3M20, 44865 on Keep Track

View BEIDOU 3M20, 44865 on Celestrak

View BEIDOU 3M20, 44865 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 3M20, 44865

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 days ago

TLE from 5 days ago

TLE epoch observation values (Epoch: 2025-12-03T10:37:23.867Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #90 in the year 2019 (2019-12-16 UTC)

BEIDOU 3M20 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BEIDOU 3M20, 44865 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 days ago