YAOGAN-39 03B, 57988
Orbit data source: Space-Track
YAOGAN-39 03B, 57988 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Thu, 05 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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57988 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
Mission
Operational Defense Sigint
Bus & Motor
Unknown
Mass
~300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.5 m
Radar Cross Section
11.063 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 YAOGAN-39 03B
1 57988U 23152C 26172.54386690 .00004149 00000-0 20897-3 0 9996
2 57988 34.9899 268.9997 0027492 264.2822 95.4755 15.16296028150855Epoch: 2026-06-21T13:03Z
TLE epoch observation values (Epoch: 2026-06-21T13:03:10.100Z)
Latitude
-0.00003°
Longitude
163.46496°
Altitude
517.816 km
Speed
7.606 km/s
True Right ascension
17h 55m 59s
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
21:33:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
539.254 km
Perigee altitude
501.324 km
Semi-major axis
6,898.426 km
Eccentricity
0.00275
Inclination
34.9899°
RAAN
268.9997°
Arg. of periapsis
264.2822°
True anomaly
95.78899°
Mean anomaly
95.4755°
Eccentric anomaly
95.63226°
Mean motion
3.78807 °/min
Orbital period
95.04 mins
BSTAR
0.00020897
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Other satellites on launch #152 in the year 2023 (2023-10-05 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.YAOGAN-39 03B 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 11:28:05.675Z | 234.706° WSW | 2026-06-22 11:31:05.675Z | 178.921° S | 30.275° | 2026-06-22 11:34:05.675Z | 110.933° ESE |
| 5 mins | 2026-06-22 13:09:05.675Z | 242.398° WSW | 2026-06-22 13:11:05.675Z | 193.945° SSW | 31.633° | 2026-06-22 13:14:05.675Z | 124.372° SE |
| 4 mins | 2026-06-22 14:50:05.675Z | 221.87° SW | 2026-06-22 14:51:05.675Z | 201.725° SSW | 19.081° | 2026-06-22 14:54:05.675Z | 153.447° SSE |
| 4 mins | 2026-06-23 09:33:05.675Z | 180.245° SSW | 2026-06-23 09:34:05.675Z | 160.995° S | 18.174° | 2026-06-23 09:37:05.675Z | 112.533° SE |
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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