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: 8 hours ago
TLE from 8 hours ago
0 YAOGAN 20C
1 40111U 14047C 26306.22453609 -.00000063 00000-0 29045-4 0 9995
2 40111 63.3788 23.7375 0401961 15.8794 345.4415 13.45459571600866Epoch: 2026-11-02T05:23Z
TLE epoch observation values (Epoch: 2026-11-02T05:23:19.918Z)
Latitude
-0.00003°
Longitude
-98.60013°
Altitude
801.045 km
Speed
7.597 km/s
True Right ascension
01h 34m 56s
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
09:11:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,387.943 km
Perigee altitude
787.737 km
Semi-major axis
7,465.977 km
Eccentricity
0.0402
Inclination
63.3788°
RAAN
23.7375°
Arg. of periapsis
15.8794°
True anomaly
344.2247°
Mean anomaly
345.4415°
Eccentric anomaly
344.83918°
Mean motion
3.36444 °/min
Orbital period
107 mins
BSTAR
0.000029045
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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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2026-11-02 14:48:16.369Z | 341.091° N | 2026-11-02 14:54:16.369Z | 47.493° ENE | 38.604° | 2026-11-02 15:01:16.369Z | 112.314° ESE |
| 13 mins | 2026-11-02 16:39:16.369Z | 313.327° NW | 2026-11-02 16:45:16.369Z | 236.02° WSW | 53.346° | 2026-11-02 16:52:16.369Z | 170.285° S |
| 9 mins | 2026-11-03 06:29:16.369Z | 181.72° SSW | 2026-11-03 06:33:16.369Z | 114.112° SE | 43.751° | 2026-11-03 06:38:16.369Z | 46.871° ENE |
| 8 mins | 2026-11-03 08:20:16.369Z | 265.42° W | 2026-11-03 08:24:16.369Z | 326.551° NNW | 29.497° | 2026-11-03 08:28:16.369Z | 14.081° NNE |
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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