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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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https://www.satcat.com/sats-embedded/43581?theme=dark&initialShowStats=false

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Identifier

43581, 2018-062A

Orbit

MEO

Last TLE update

19 hours ago

Origin

China National Space Administration (CN / PRC)

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 (7 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, 10 m

Radar Cross Section

8.984 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 19 hours ago

0 BEIDOU 3M9
1 43581U 18062A   25184.62271479  .00000098  00000-0  00000-0 0  9993
2 43581  54.1003 194.1542 0005700 282.9689  76.9999  1.86228911 47141

Epoch: 2025-07-03T14:56Z

TLE epoch observation values (Epoch: 2025-07-03T14:56:42.557Z)

Latitude

-0.00003°

Longitude

48.09391°

Altitude

21,524.946 km

Speed

3.78 km/s

True Right ascension

12h 56m 37s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

3.93011°

Longitude

-134.78217°

Altitude

21,532.959 km

Speed

3.779 km/s

Apparent Right ascension

01h 16m 03s

Apparent Declination

-5° 03' 11"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

21:56:30

Azimuth

122.181° SE

Elevation

25.832°

Doppler factor

Orbital elements

Apogee altitude

21,544.209 km

Perigee altitude

21,512.396 km

Semi-major axis

27,906.439 km

Eccentricity

0.00057

Inclination

54.1003°

RAAN

194.1542°

Arg. of periapsis

282.9689°

True anomaly

Unknown

Mean anomaly

76.9999°

Eccentric anomaly

Unknown

Mean motion

0.46557 °/min

Orbital period

773.24 mins

BSTAR

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

BEIDOU 3M10, 43582

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

YZ-1 R/B, 43584

BEIDOU 3M9 Visibility forecast

Observer location: undefined°, undefined°

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.
46 mins	2025-07-04 10:06:17.305Z	122.204° SE	2025-07-04 10:06:17.305Z	122.204° SE	23.533°	2025-07-04 10:52:17.305Z	133.34° SE
243 mins	2025-07-05 06:03:17.305Z	263.428° W	2025-07-05 10:04:17.305Z	58.464° ENE	44.901°	2025-07-05 10:06:17.305Z	68.821° E

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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.