YAOGAN-39 05B, 58558
Orbit data source: Space-Track
YAOGAN-39 05B, 58558 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Sun, 10 Dec 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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58558 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: 1 day ago
TLE from 1 day ago
0 YAOGAN-39 05B
1 58558U 23194B 26172.38790579 .00004980 00000-0 24288-3 0 9994
2 58558 34.9930 54.9952 0010100 349.2714 10.7782 15.17668195140736Epoch: 2026-06-21T09:18Z
TLE epoch observation values (Epoch: 2026-06-21T09:18:35.060Z)
Latitude
-0.00003°
Longitude
5.76018°
Altitude
504.964 km
Speed
7.618 km/s
True Right ascension
03h 39m 58s
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
23:07:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
523.097 km
Perigee altitude
509.17 km
Semi-major axis
6,894.271 km
Eccentricity
0.00101
Inclination
34.993°
RAAN
54.9952°
Arg. of periapsis
349.2714°
True anomaly
10.79987°
Mean anomaly
10.7782°
Eccentric anomaly
10.78903°
Mean motion
3.7915 °/min
Orbital period
94.95 mins
BSTAR
0.00024288
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Other satellites on launch #194 in the year 2023 (2023-12-10 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 05B 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 20:18:17.474Z | 221.743° SW | 2026-06-22 20:21:17.474Z | 165.024° S | 25.038° | 2026-06-22 20:24:17.474Z | 108.711° ESE |
| 5 mins | 2026-06-22 21:59:17.474Z | 233.618° WSW | 2026-06-22 22:01:17.474Z | 172.128° S | 32.424° | 2026-06-22 22:04:17.474Z | 113.479° SE |
| 4 mins | 2026-06-22 23:39:17.474Z | 233.397° WSW | 2026-06-22 23:41:17.474Z | 184.851° SSW | 23.934° | 2026-06-22 23:43:17.474Z | 146.478° 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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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