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: 5 hours ago
TLE from 5 hours ago
0 YAOGAN-30 B
1 42946U 17058B 26142.29023953 .00001526 00000-0 11429-3 0 9998
2 42946 34.9963 188.0016 0001484 91.6761 268.4117 15.02678925471963Epoch: 2026-05-22T06:57Z
TLE epoch observation values (Epoch: 2026-05-22T06:57:56.695Z)
Latitude
-0.00003°
Longitude
-156.40788°
Altitude
557.585 km
Speed
7.585 km/s
True Right ascension
12h 32m 00s
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
21:12:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
562.891 km
Perigee altitude
560.832 km
Semi-major axis
6,939.998 km
Eccentricity
0.00015
Inclination
34.9963°
RAAN
188.0016°
Arg. of periapsis
91.6761°
True anomaly
268.3947°
Mean anomaly
268.4117°
Eccentric anomaly
268.4032°
Mean motion
3.75409 °/min
Orbital period
95.9 mins
BSTAR
0.00011429
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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 | 2026-05-22 12:15:38.288Z | 232.117° WSW | 2026-05-22 12:17:38.288Z | 199.035° SSW | 15.73° | 2026-05-22 12:19:38.288Z | 168.973° S |
| 5 mins | 2026-05-23 07:09:38.288Z | 199.783° SSW | 2026-05-23 07:11:38.288Z | 153.779° SSE | 24.331° | 2026-05-23 07:14:38.288Z | 106.4° ESE |
| 6 mins | 2026-05-23 08:49:38.288Z | 239.391° WSW | 2026-05-23 08:51:38.288Z | 197.401° SSW | 32.856° | 2026-05-23 08:55:38.288Z | 109.79° ESE |
| 6 mins | 2026-05-23 10:30:38.288Z | 244.307° WSW | 2026-05-23 10:32:38.288Z | 203.867° SW | 27.083° | 2026-05-23 10:36:38.288Z | 131.696° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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