YAOGAN-30 B, 42946
Orbit data source: Space-Track
YAOGAN-30 B, 42946 is a payload satellite owned by PLA SSF (CN) in LEO that was launched on Fri, 29 Sep 2017 UTC via a CHANG ZHENG 2C 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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42946 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SECM
Mission
Operational Defense Sigint
Bus & Motor
Unknown
Mass
~500 kg wet, ~500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.5 m
Radar Cross Section
0.446 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 YAOGAN-30 B
1 42946U 17058B 25311.86918707 .00005987 00000-0 45979-3 0 9990
2 42946 34.9985 297.8016 0002901 202.4315 157.6267 15.01145275442563Epoch: 2025-11-07T20:51Z
TLE epoch observation values (Epoch: 2025-11-07T20:51:37.762Z)
Latitude
0.00001°
Longitude
-62.41269°
Altitude
564.143 km
Speed
7.58 km/s
True Right ascension
19h 51m 12s
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
03:40:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
568.597 km
Perigee altitude
564.568 km
Semi-major axis
6,944.72 km
Eccentricity
0.00029
Inclination
34.9985°
RAAN
297.8016°
Arg. of periapsis
202.4315°
True anomaly
157.63935°
Mean anomaly
157.6267°
Eccentric anomaly
157.63303°
Mean motion
3.75026 °/min
Orbital period
95.99 mins
BSTAR
0.00045979
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Other satellites on launch #58 in the year 2017 (2017-09-29 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-30 B 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-11-08 08:33:10.267Z | 235.884° WSW | 2025-11-08 08:35:10.267Z | 206.664° SW | 13.644° | 2025-11-08 08:37:10.267Z | 177.446° S |
| 5 mins | 2025-11-09 03:28:10.267Z | 213.716° SW | 2025-11-09 03:30:10.267Z | 171.403° S | 27.102° | 2025-11-09 03:33:10.267Z | 110.871° ESE |
| 6 mins | 2025-11-09 05:09:10.267Z | 238.872° WSW | 2025-11-09 05:11:10.267Z | 188.439° SSW | 33.858° | 2025-11-09 05:15:10.267Z | 110.878° ESE |
| 5 mins | 2025-11-09 06:50:10.267Z | 240.906° WSW | 2025-11-09 06:52:10.267Z | 199.774° SSW | 25.222° | 2025-11-09 06:55:10.267Z | 143.289° 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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