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: 4 hours ago
TLE from 4 hours ago
0 YAOGAN 20C
1 40111U 14047C 26104.21089372 -.00000138 00000-0 -51204-4 0 9998
2 40111 63.3785 184.6562 0384602 14.7193 346.4665 13.45443821573689Epoch: 2026-04-14T05:03Z
TLE epoch observation values (Epoch: 2026-04-14T05:03:41.217Z)
Latitude
-0.00002°
Longitude
-93.65595°
Altitude
812.233 km
Speed
7.585 km/s
True Right ascension
12h 18m 37s
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
15:24:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,375.044 km
Perigee altitude
800.753 km
Semi-major axis
7,466.035 km
Eccentricity
0.03846
Inclination
63.3785°
RAAN
184.6562°
Arg. of periapsis
14.7193°
True anomaly
345.38475°
Mean anomaly
346.4665°
Eccentric anomaly
345.93082°
Mean motion
3.3644 °/min
Orbital period
107 mins
BSTAR
-0.000051204
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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 | 2026-04-14 14:29:12.191Z | 350.705° N | 2026-04-14 14:34:12.191Z | 48.541° ENE | 26.965° | 2026-04-14 14:40:12.191Z | 101.043° ESE |
| 13 mins | 2026-04-14 16:19:12.191Z | 319.372° NNW | 2026-04-14 16:25:12.191Z | 223.259° SW | 43.061° | 2026-04-14 16:32:12.191Z | 159.528° S |
| 4 mins | 2026-04-14 18:13:12.191Z | 265.817° W | 2026-04-14 18:14:12.191Z | 257.798° W | 12.593° | 2026-04-14 18:17:12.191Z | 234.788° WSW |
| 7 mins | 2026-04-15 06:10:12.191Z | 160.281° S | 2026-04-15 06:13:12.191Z | 112.893° SE | 26.653° | 2026-04-15 06:17:12.191Z | 58.603° ENE |
| 8 mins | 2026-04-15 08:00:12.191Z | 255.248° W | 2026-04-15 08:03:12.191Z | 307.15° NW | 32.692° | 2026-04-15 08:08:12.191Z | 19.118° NNE |
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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