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YAOGAN-39 01A, 57727

Orbit data source: Space-Track

YAOGAN-39 01A, 57727 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Thu, 31 Aug 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/57727?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/57727?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

57727, 2023-130A

Orbit

LEO

Last TLE update

15 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)

2023-08-31 (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 15 hours ago

0 YAOGAN-39 01A
1 57727U 23130A   25199.35135670  .00009777  00000-0  40731-3 0  9991
2 57727  35.0023  68.1335 0004415 352.6628   7.4022 15.22956366104785

Epoch: 2025-07-18T08:25Z

TLE epoch observation values (Epoch: 2025-07-18T08:25:57.218Z)

Latitude

-0.00001°

Longitude

5.24102°

Altitude

492.827 km

Speed

7.622 km/s

True Right ascension

04h 32m 32s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

8.01052°

Longitude

169.81278°

Altitude

498.078 km

Speed

7.617 km/s

Apparent Right ascension

18h 33m 14s

Apparent Declination

-30° 19' 21"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:06:36

Azimuth

110.643° ESE

Elevation

-23.623°

Doppler factor

Orbital elements

Apogee altitude

503.215 km

Perigee altitude

497.142 km

Semi-major axis

6,878.316 km

Eccentricity

0.00044

Inclination

35.0023°

RAAN

68.1335°

Arg. of periapsis

352.6628°

True anomaly

7.40872°

Mean anomaly

7.4022°

Eccentric anomaly

7.40546°

Mean motion

3.8047 °/min

Orbital period

94.62 mins

BSTAR

0.00040731

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Other satellites on launch #130 in the year 2023 (2023-08-31 UTC)

YAOGAN-39 01B, 57728

CZ-2D R/B, 57729 (Decayed)

CZ-2D DEB, 57730 (Decayed)

YAOGAN-39 01C, 57731

YAOGAN-39 01A 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.
5 mins	2025-07-19 19:19:01.313Z	209.661° SW	2025-07-19 19:21:01.313Z	166.064° S	23.784°	2025-07-19 19:24:01.313Z	109.304° ESE
6 mins	2025-07-19 20:58:01.313Z	241.245° WSW	2025-07-19 21:00:01.313Z	199.76° SSW	31.037°	2025-07-19 21:04:01.313Z	110.675° ESE
5 mins	2025-07-19 22:38:01.313Z	239.123° WSW	2025-07-19 22:40:01.313Z	192.977° SSW	24.556°	2025-07-19 22:43:01.313Z	137.638° SSE

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 01A, 57727 on other resources

View YAOGAN-39 01A, 57727 on NASA - NSSDCA Website

View YAOGAN-39 01A, 57727 on Heavens-Above

View YAOGAN-39 01A, 57727 on Keep Track

View YAOGAN-39 01A, 57727 on Celestrak

View YAOGAN-39 01A, 57727 on Gunter's Space Page

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