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: 10 hours ago
TLE from 10 hours ago
0 YAOGAN 20C
1 40111U 14047C 26073.96067146 .00000004 00000-0 10315-3 0 9997
2 40111 63.3776 262.6447 0381885 14.5792 346.5891 13.45442121569613Epoch: 2026-03-14T23:03Z
TLE epoch observation values (Epoch: 2026-03-14T23:03:22.014Z)
Latitude
0.00003°
Longitude
104.22864°
Altitude
814.049 km
Speed
7.583 km/s
True Right ascension
17h 30m 34s
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
13:42:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,373.022 km
Perigee altitude
802.788 km
Semi-major axis
7,466.042 km
Eccentricity
0.03819
Inclination
63.3776°
RAAN
262.6447°
Arg. of periapsis
14.5792°
True anomaly
345.52488°
Mean anomaly
346.5891°
Eccentric anomaly
346.06207°
Mean motion
3.3644 °/min
Orbital period
107 mins
BSTAR
0.00010315
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-03-15 13:26:33.097Z | 169.638° S | 2026-03-15 13:30:33.097Z | 116.356° SE | 26.627° | 2026-03-15 13:35:33.097Z | 53.784° ENE |
| 8 mins | 2026-03-15 15:17:33.097Z | 253.775° W | 2026-03-15 15:20:33.097Z | 302.616° NW | 32.547° | 2026-03-15 15:25:33.097Z | 18.268° NNE |
| 8 mins | 2026-03-15 20:57:33.097Z | 0.172° NNE | 2026-03-15 21:00:33.097Z | 30.648° NE | 19.566° | 2026-03-15 21:05:33.097Z | 76.757° E |
| 14 mins | 2026-03-15 22:46:33.097Z | 330.031° NNW | 2026-03-15 22:52:33.097Z | 49.408° ENE | 44.101° | 2026-03-15 23:00:33.097Z | 140.761° SSE |
| 10 mins | 2026-03-16 00:38:33.097Z | 290.557° WNW | 2026-03-16 00:42:33.097Z | 252.371° W | 22.225° | 2026-03-16 00:48:33.097Z | 202.384° SSW |
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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