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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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: 10 hours ago
TLE from 10 hours ago
0 YAOGAN-30 B
1 42946U 17058B 26052.24908362 .00003483 00000-0 26176-3 0 9998
2 42946 34.9988 16.5674 0001974 351.1266 8.9407 15.02113343458415Epoch: 2026-02-21T05:58Z
TLE epoch observation values (Epoch: 2026-02-21T05:58:40.824Z)
Latitude
-0.00003°
Longitude
135.72288°
Altitude
557.945 km
Speed
7.586 km/s
True Right ascension
01h 06m 16s
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
18:38:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
564.972 km
Perigee altitude
562.231 km
Semi-major axis
6,941.738 km
Eccentricity
0.0002
Inclination
34.9988°
RAAN
16.5674°
Arg. of periapsis
351.1266°
True anomaly
8.94422°
Mean anomaly
8.9407°
Eccentric anomaly
8.94246°
Mean motion
3.75267 °/min
Orbital period
95.93 mins
BSTAR
0.00026176
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-22 01:21:39.232Z | 206.925° SW | 2026-02-22 01:24:39.232Z | 153.574° SSE | 21.294° | 2026-02-22 01:27:39.232Z | 107.836° ESE |
| 6 mins | 2026-02-22 03:02:39.232Z | 235.603° WSW | 2026-02-22 03:05:39.232Z | 156.982° SSE | 32.255° | 2026-02-22 03:08:39.232Z | 107.686° ESE |
| 6 mins | 2026-02-22 04:43:39.232Z | 246.083° WSW | 2026-02-22 04:45:39.232Z | 206.028° SW | 29.372° | 2026-02-22 04:49:39.232Z | 126.392° SE |
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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