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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43581 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Navigation
Bus & Motor
BD-3M, Unknown motor
Mass
1,014 kg wet, ~850 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 5.0 m
Radar Cross Section
8.984 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 BEIDOU 3M9
1 43581U 18062A 26171.32881155 .00000068 00000-0 00000+0 0 9991
2 43581 54.0851 182.1963 0005659 290.1184 69.8429 1.86228559 53693Epoch: 2026-06-20T07:53Z
TLE epoch observation values (Epoch: 2026-06-20T07:53:29.317Z)
Latitude
0.00001°
Longitude
155.28027°
Altitude
21,523.119 km
Speed
3.78 km/s
True Right ascension
12h 08m 47s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
02:14:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
21,544.13 km
Perigee altitude
21,512.546 km
Semi-major axis
27,906.475 km
Eccentricity
0.00057
Inclination
54.0851°
RAAN
182.1963°
Arg. of periapsis
290.1184°
True anomaly
69.90379°
Mean anomaly
69.8429°
Eccentric anomaly
69.87334°
Mean motion
0.46557 °/min
Orbital period
773.24 mins
BSTAR
0
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Other satellites on launch #62 in the year 2018 (2018-07-29 UTC)
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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.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. |
|---|---|---|---|---|---|---|---|
| 117 mins | 2026-06-22 15:12:05.471Z | 316.333° NNW | 2026-06-22 16:00:05.471Z | 298.923° NW | 16.852° | 2026-06-22 17:09:05.471Z | 272.559° WNW |
| 359 mins | 2026-06-22 23:09:05.471Z | 172.094° S | 2026-06-23 01:58:05.471Z | 101.85° ESE | 43.431° | 2026-06-23 05:08:05.471Z | 62.464° ENE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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