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YAOGAN-39 04B, 58143

Orbit data source: Space-Track

YAOGAN-39 04B, 58143 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Mon, 23 Oct 2023 UTC via a CHANG ZHENG 2D 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 src="https://www.satcat.com/sats-embedded/58143?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/58143?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

58143, 2023-163C

Orbit

LEO

Last TLE update

10 hours ago

Origin

Equipment Development Department of the Central Military Commission (China) (CN / PRC)

Manufacturer

SAST

Mission

Operational Defense Sigint

Bus & Motor

Unknown

Mass

~300 kg wet, ~300 kg dry

Launch date (UTC)

2023-10-23 (2 years ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 5 m

Radar Cross Section

11.063 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 YAOGAN-39 04B
1 58143U 23163C   25191.69104175  .00003841  00000-0  19296-3 0  9993
2 58143  34.9968 337.7373 0008294   1.4553 358.6183 15.16726884 95417

Epoch: 2025-07-10T16:35Z

TLE epoch observation values (Epoch: 2025-07-10T16:35:06.007Z)

Latitude

0.00001°

Longitude

160.10859°

Altitude

508.936 km

Speed

7.615 km/s

True Right ascension

22h 30m 56s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

21.22797°

Longitude

-55.9995°

Altitude

518.415 km

Speed

7.606 km/s

Apparent Right ascension

05h 56m 41s

Apparent Declination

-10° 06' 53"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

14:57:30

Azimuth

294.327° NW

Elevation

-40.43°

Doppler factor

Orbital elements

Apogee altitude

524.703 km

Perigee altitude

513.262 km

Semi-major axis

6,897.12 km

Eccentricity

0.00083

Inclination

34.9968°

RAAN

337.7373°

Arg. of periapsis

1.4553°

True anomaly

Unknown

Mean anomaly

358.6183°

Eccentric anomaly

Unknown

Mean motion

3.78915 °/min

Orbital period

95.01 mins

BSTAR

0.00019296

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Other satellites on launch #163 in the year 2023 (2023-10-23 UTC)

YAOGAN-39 04A, 58141

CZ-2D R/B, 58142 (Decayed)

CZ-2D DEB, 58144 (Decayed)

YAOGAN-39 04C, 58145

YAOGAN-39 04B 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.
4 mins	2025-07-11 13:21:54.612Z	191.555° SSW	2025-07-11 13:23:54.612Z	154.002° SSE	17.876°	2025-07-11 13:25:54.612Z	119.525° SE
6 mins	2025-07-11 15:00:54.612Z	232.835° WSW	2025-07-11 15:03:54.612Z	156.236° SSE	30.144°	2025-07-11 15:06:54.612Z	106.514° ESE
6 mins	2025-07-11 16:40:54.612Z	246.138° WSW	2025-07-11 16:42:54.612Z	205.108° SW	29.304°	2025-07-11 16:46:54.612Z	122.387° SE

Authenticating...

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Check out YAOGAN-39 04B, 58143 on other resources

View YAOGAN-39 04B, 58143 on NASA - NSSDCA Website

View YAOGAN-39 04B, 58143 on Heavens-Above

View YAOGAN-39 04B, 58143 on Keep Track

View YAOGAN-39 04B, 58143 on Celestrak

View YAOGAN-39 04B, 58143 on Gunter's Space Page

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