YAOGAN 20A, 40109
Orbit data source: Space-Track
YAOGAN 20A, 40109 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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40109 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Sigint
Bus & Motor
JB-8, Unknown motor
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 20A
1 40109U 14047A 25289.20064471 .00000052 00000-0 16012-3 0 9990
2 40109 63.3810 288.0845 0368665 13.3732 347.6749 13.45404058549614Epoch: 2025-10-16T04:48Z
TLE epoch observation values (Epoch: 2025-10-16T04:48:55.702Z)
Latitude
-0.0001°
Longitude
-169.11142°
Altitude
822.495 km
Speed
7.575 km/s
True Right ascension
19h 12m 20s
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
04:58:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,363.297 km
Perigee altitude
812.793 km
Semi-major axis
7,466.182 km
Eccentricity
0.03687
Inclination
63.381°
RAAN
288.0845°
Arg. of periapsis
13.3732°
True anomaly
346.73074°
Mean anomaly
347.6749°
Eccentric anomaly
347.20718°
Mean motion
3.3643 °/min
Orbital period
107.01 mins
BSTAR
0.00016012
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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 20A 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. |
|---|---|---|---|---|---|---|---|
| 14 mins | 2025-10-16 10:41:44.841Z | 326.364° NNW | 2025-10-16 10:48:44.841Z | 128.92° SE | 44.823° | 2025-10-16 10:55:44.841Z | 147.133° SSE |
| 9 mins | 2025-10-16 12:34:44.841Z | 284.759° WNW | 2025-10-16 12:38:44.841Z | 248.543° W | 18.547° | 2025-10-16 12:43:44.841Z | 210.045° SW |
| 6 mins | 2025-10-17 00:34:44.841Z | 139.429° SSE | 2025-10-17 00:36:44.841Z | 112.988° SE | 18.733° | 2025-10-17 00:40:44.841Z | 66.109° ENE |
| 9 mins | 2025-10-17 02:22:44.841Z | 233.411° WSW | 2025-10-17 02:26:44.841Z | 304.205° NW | 40.207° | 2025-10-17 02:31:44.841Z | 25.147° NE |
| 4 mins | 2025-10-17 04:17:44.841Z | 321.223° NNW | 2025-10-17 04:18:44.841Z | 332.309° NNW | 13.778° | 2025-10-17 04:21:44.841Z | 2.343° NNE |
| 7 mins | 2025-10-17 08:03:44.841Z | 3.439° NNE | 2025-10-17 08:06:44.841Z | 32.327° NE | 16.02° | 2025-10-17 08:10:44.841Z | 66.148° ENE |
| 13 mins | 2025-10-17 09:52:44.841Z | 335.997° NNW | 2025-10-17 09:58:44.841Z | 56.168° ENE | 40.003° | 2025-10-17 10:05:44.841Z | 128.064° SE |
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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