YUNHAI 1-04, 58073
Orbit data source: Space-Track
YUNHAI 1-04, 58073 is a payload satellite owned by SAST (CN) in SSO that was launched on Sun, 15 Oct 2023 UTC via a CHANG ZHENG 2D launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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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58073 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
Mission
Operational Defense Weather
Bus & Motor
YUNHAI-1, Unknown motor
Mass
~800 kg wet, ~800 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.0 m
Radar Cross Section
5.141 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 YUNHAI 1-04
1 58073U 23159A 26172.55167884 .00000253 00000-0 10868-3 0 9991
2 58073 98.4979 198.2133 0001650 131.9768 228.1557 14.32732500140423Epoch: 2026-06-21T13:14Z
TLE epoch observation values (Epoch: 2026-06-21T13:14:25.051Z)
Latitude
-0.00003°
Longitude
89.85861°
Altitude
786.339 km
Speed
7.46 km/s
True Right ascension
13h 12m 51s
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
21:29:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
780.924 km
Perigee altitude
778.562 km
Semi-major axis
7,157.88 km
Eccentricity
0.00017
Inclination
98.4979°
RAAN
198.2133°
Arg. of periapsis
131.9768°
True anomaly
228.14162°
Mean anomaly
228.1557°
Eccentric anomaly
228.14866°
Mean motion
3.58399 °/min
Orbital period
100.45 mins
BSTAR
0.00010868
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Other satellites on launch #159 in the year 2023 (2023-10-15 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.YUNHAI 1-04 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 13:19:03.509Z | 57.379° ENE | 2026-06-22 13:22:03.509Z | 94.037° ESE | 14.73° | 2026-06-22 13:24:03.509Z | 119.075° SE |
| 8 mins | 2026-06-22 14:58:03.509Z | 1.39° NNE | 2026-06-22 15:02:03.509Z | 260.087° W | 40.126° | 2026-06-22 15:06:03.509Z | 209.447° SW |
| 6 mins | 2026-06-23 00:36:03.509Z | 103.613° ESE | 2026-06-23 00:39:03.509Z | 59.621° ENE | 20.527° | 2026-06-23 00:42:03.509Z | 20.254° NNE |
| 8 mins | 2026-06-23 02:14:03.509Z | 194.5° SSW | 2026-06-23 02:18:03.509Z | 270.804° WNW | 34.712° | 2026-06-23 02:22:03.509Z | 330.694° NNW |
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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