YAOGAN 20C, 40111
Orbit data source: Space-Track
YAOGAN 20C, 40111 is a payload satellite owned by PLA GAD (CN) in LEO that was launched on Sat, 09 Aug 2014 UTC via a CHANG ZHENG 4C 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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40111 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
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: 16 hours ago
TLE from 16 hours ago
0 YAOGAN 20C
1 40111U 14047C 26306.89345194 -.00000183 00000-0 -95337-4 0 9998
2 40111 63.3786 22.0121 0401995 15.8824 345.4388 13.45459128600953Epoch: 2026-11-02T21:26Z
TLE epoch observation values (Epoch: 2026-11-02T21:26:34.247Z)
Latitude
-0.00007°
Longitude
18.20543°
Altitude
801.026 km
Speed
7.597 km/s
True Right ascension
01h 28m 02s
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
09:22:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,387.97 km
Perigee altitude
787.713 km
Semi-major axis
7,465.979 km
Eccentricity
0.0402
Inclination
63.3786°
RAAN
22.0121°
Arg. of periapsis
15.8824°
True anomaly
344.22167°
Mean anomaly
345.4388°
Eccentric anomaly
344.83632°
Mean motion
3.36444 °/min
Orbital period
107 mins
BSTAR
-0.000095337
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Other satellites on launch #47 in the year 2014 (2014-08-09 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 20C 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-11-03 13:58:24.473Z | 345.242° N | 2026-11-03 14:04:24.473Z | 45.087° ENE | 25.729° | 2026-11-03 14:09:24.473Z | 89.654° E |
| 14 mins | 2026-11-03 15:49:24.473Z | 324.616° NNW | 2026-11-03 15:55:24.473Z | 213.642° SW | 84.639° | 2026-11-03 16:03:24.473Z | 150.877° SSE |
| 7 mins | 2026-11-03 17:42:24.473Z | 277.208° WNW | 2026-11-03 17:45:24.473Z | 250.71° W | 17.522° | 2026-11-03 17:49:24.473Z | 219.247° SW |
| 6 mins | 2026-11-04 05:41:24.473Z | 145.068° SSE | 2026-11-04 05:43:24.473Z | 117.013° SE | 22.094° | 2026-11-04 05:47:24.473Z | 65.472° ENE |
| 9 mins | 2026-11-04 07:30:24.473Z | 242.97° WSW | 2026-11-04 07:33:24.473Z | 297.069° NW | 49.584° | 2026-11-04 07:39:24.473Z | 25.521° NE |
| 4 mins | 2026-11-04 09:24:24.473Z | 319.526° NNW | 2026-11-04 09:25:24.473Z | 330.16° NNW | 12.632° | 2026-11-04 09:28:24.473Z | 0.218° NNE |
| 7 mins | 2026-11-04 13:10:24.473Z | 1.68° NNE | 2026-11-04 13:13:24.473Z | 30.908° NE | 17.778° | 2026-11-04 13:17:24.473Z | 66.536° ENE |
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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