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: 13 hours ago
TLE from 13 hours ago
0 YAOGAN-30 B
1 42946U 17058B 25261.31406054 .00003075 00000-0 24079-3 0 9995
2 42946 34.9970 245.0606 0001321 116.0399 244.0444 15.00596379434961Epoch: 2025-09-18T07:32Z
TLE epoch observation values (Epoch: 2025-09-18T07:32:14.83Z)
Latitude
-0.00006°
Longitude
134.52128°
Altitude
564.375 km
Speed
7.581 km/s
True Right ascension
16h 20m 14s
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
13:02:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
569.192 km
Perigee altitude
567.357 km
Semi-major axis
6,946.412 km
Eccentricity
0.00013
Inclination
34.997°
RAAN
245.0606°
Arg. of periapsis
116.0399°
True anomaly
244.03079°
Mean anomaly
244.0444°
Eccentric anomaly
244.0376°
Mean motion
3.74889 °/min
Orbital period
96.03 mins
BSTAR
0.00024079
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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 | 2025-09-19 02:56:10.645Z | 214.039° SW | 2025-09-19 02:59:10.645Z | 166.583° S | 22.44° | 2025-09-19 03:02:10.645Z | 112.554° SE |
| 6 mins | 2025-09-19 04:38:10.645Z | 233.293° WSW | 2025-09-19 04:40:10.645Z | 183.678° SSW | 33.367° | 2025-09-19 04:44:10.645Z | 106.528° ESE |
| 6 mins | 2025-09-19 06:19:10.645Z | 243.18° WSW | 2025-09-19 06:21:10.645Z | 198.862° SSW | 29.302° | 2025-09-19 06:25:10.645Z | 126.702° 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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