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YAOGAN-39 04A, 58141

Orbit data source: Space-Track

YAOGAN-39 04A, 58141 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 URL

https://www.satcat.com/sats-embedded/58141?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

58141, 2023-163A

Orbit

LEO

Last TLE update

9 hours ago

Origin

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

Manufacturer

DFH

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, 2.5 m

Radar Cross Section

11.063 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 9 hours ago

0 YAOGAN-39 04A
1 58141U 23163A   25199.57850157  .00009098  00000-0  37916-3 0  9993
2 58141  34.9997 282.7716 0006823 234.1457 125.8625 15.22944362 96686

Epoch: 2025-07-18T13:53Z

TLE epoch observation values (Epoch: 2025-07-18T13:53:02.535Z)

Latitude

0.00002°

Longitude

137.88312°

Altitude

498.622 km

Speed

7.616 km/s

True Right ascension

18h 51m 05s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

5.947°

Longitude

143.90613°

Altitude

498.452 km

Speed

7.616 km/s

Apparent Right ascension

21h 14m 13s

Apparent Declination

-19° 33' 09"

Sunlit

Object is in full shadow

Visualization observer readout

Local Sidereal Time

12:09:44

Azimuth

74.66° E

Elevation

-47.369°

Doppler factor

Orbital elements

Apogee altitude

504.908 km

Perigee altitude

495.522 km

Semi-major axis

6,878.352 km

Eccentricity

0.00068

Inclination

34.9997°

RAAN

282.7716°

Arg. of periapsis

234.1457°

True anomaly

125.92583°

Mean anomaly

125.8625°

Eccentric anomaly

125.89417°

Mean motion

3.80467 °/min

Orbital period

94.62 mins

BSTAR

0.00037916

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

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

YAOGAN-39 04B, 58143

CZ-2D DEB, 58144 (Decayed)

YAOGAN-39 04C, 58145

YAOGAN-39 04A 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	2025-07-19 08:59:08.633Z	195.743° SSW	2025-07-19 09:01:08.633Z	164.559° S	15.414°	2025-07-19 09:03:08.633Z	128.679° SE
5 mins	2025-07-19 10:39:08.633Z	218.565° SW	2025-07-19 10:41:08.633Z	160.881° S	29.114°	2025-07-19 10:44:08.633Z	106.786° ESE
5 mins	2025-07-19 12:18:08.633Z	242.848° WSW	2025-07-19 12:20:08.633Z	194.539° SSW	30.579°	2025-07-19 12:23:08.633Z	124.161° SE
4 mins	2025-07-19 13:58:08.633Z	231.336° WSW	2025-07-19 14:00:08.633Z	191.746° SSW	17.727°	2025-07-19 14:02:08.633Z	158.628° S

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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Check out YAOGAN-39 04A, 58141 on other resources

View YAOGAN-39 04A, 58141 on NASA - NSSDCA Website

View YAOGAN-39 04A, 58141 on Heavens-Above

View YAOGAN-39 04A, 58141 on Keep Track

View YAOGAN-39 04A, 58141 on Celestrak

View YAOGAN-39 04A, 58141 on Gunter's Space Page

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