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BEIDOU 3M9, 43581

Orbit data source: Space-Track

BEIDOU 3M9, 43581 is a payload satellite owned by CNSA (CN) in MEO that was launched on Sun, 29 Jul 2018 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/43581?theme=dark&initialShowStats=false

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Identifier

43581, 2018-062A

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)

2018-07-29 (8 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, 5.0 m

Radar Cross Section

8.984 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 21 hours ago

TLE from 21 hours ago

0 BEIDOU 3M9
1 43581U 18062A   26036.01588648  .00000037  00000-0  00000+0 0  9994
2 43581  54.0898 186.7964 0001714 340.1147  19.8278  1.86228665 51174

Epoch: 2026-02-05T00:22Z

TLE epoch observation values (Epoch: 2026-02-05T00:22:52.591Z)

Latitude

-0°

Longitude

45.89465°

Altitude

21,524.041 km

Speed

3.78 km/s

True Right ascension

12h 27m 09s

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

23:20:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

21,533.11 km

Perigee altitude

21,523.544 km

Semi-major axis

27,906.464 km

Eccentricity

0.00017

Inclination

54.0898°

RAAN

186.7964°

Arg. of periapsis

340.1147°

True anomaly

19.83446°

Mean anomaly

19.8278°

Eccentric anomaly

19.83113°

Mean motion

0.46557 °/min

Orbital period

773.24 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #62 in the year 2018 (2018-07-29 UTC)

BEIDOU 3M10, 43582

YZ-1 R/B, 43584

CZ-3B R/B, 43583 (Decayed)

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BEIDOU 3M9 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.
342 mins	2026-02-06 15:34:33.811Z	266.411° W	2026-02-06 19:32:33.811Z	58.041° ENE	44.961°	2026-02-06 21:16:33.811Z	159.347° S

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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 3M9, 43581 on other resources

View BEIDOU 3M9, 43581 on NASA - NSSDCA Website

View BEIDOU 3M9, 43581 on Heavens-Above

View BEIDOU 3M9, 43581 on Keep Track

View BEIDOU 3M9, 43581 on Celestrak

View BEIDOU 3M9, 43581 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 3M9, 43581

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-02-05T00:22:52.591Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #62 in the year 2018 (2018-07-29 UTC)

BEIDOU 3M9 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BEIDOU 3M9, 43581 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago