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: 7 hours ago
TLE from 7 hours ago
0 YAOGAN 20A
1 40109U 14047A 26036.28479285 -.00000077 00000-0 15116-4 0 9995
2 40109 63.3824 359.1959 0378502 13.9556 347.1589 13.45425978564692Epoch: 2026-02-05T06:50Z
TLE epoch observation values (Epoch: 2026-02-05T06:50:06.102Z)
Latitude
0.00002°
Longitude
121.23126°
Altitude
815.865 km
Speed
7.582 km/s
True Right ascension
23h 56m 47s
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
15:57:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,370.557 km
Perigee altitude
805.371 km
Semi-major axis
7,466.101 km
Eccentricity
0.03785
Inclination
63.3824°
RAAN
359.1959°
Arg. of periapsis
13.9556°
True anomaly
346.14847°
Mean anomaly
347.1589°
Eccentric anomaly
346.65847°
Mean motion
3.36436 °/min
Orbital period
107 mins
BSTAR
0.000015116
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2026-02-05 23:00:33.468Z | 199.532° SSW | 2026-02-05 23:05:33.468Z | 113.472° SE | 42.179° | 2026-02-05 23:10:33.468Z | 40.377° NE |
| 7 mins | 2026-02-06 00:53:33.468Z | 282.359° WNW | 2026-02-06 00:56:33.468Z | 323.26° NNW | 21.702° | 2026-02-06 01:00:33.468Z | 9.633° NNE |
| 11 mins | 2026-02-06 06:32:33.468Z | 353.295° N | 2026-02-06 06:36:33.468Z | 41.012° NE | 28.343° | 2026-02-06 06:43:33.468Z | 105.023° ESE |
| 13 mins | 2026-02-06 08:22:33.468Z | 316.491° NNW | 2026-02-06 08:27:33.468Z | 248.713° W | 42.193° | 2026-02-06 08:35:33.468Z | 161.772° S |
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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