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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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<iframe src="https://www.satcat.com/sats-embedded/40109?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/40109?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

40109, 2014-047A

Orbit

LEO

Country

CN / PRC

Related business

Equipment Development Department of the Central Military Commission (PLA) (CN)

Manufacturer

CAST

Mission

Operational Defense Sigint

Bus & Motor

JB-8, Unknown motor

Mass

~500 kg wet, ~500 kg dry

Launch date (UTC)

2014-08-09 (11 years ago)

Launch vehicle

CHANG ZHENG 4C

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.5 m

Radar Cross Section

0.446 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 YAOGAN 20A
1 40109U 14047A   25243.26641271 -.00000051  00000-0  44753-4 0  9999
2 40109  63.3825  46.4552 0364629  13.1788 347.8458 13.45398254543439

Epoch: 2025-08-31T06:23Z

TLE epoch observation values (Epoch: 2025-08-31T06:23:38.058Z)

Latitude

-0.00001°

Longitude

-29.1422°

Altitude

825.264 km

Speed

7.572 km/s

True Right ascension

03h 05m 49s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

05:10:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,360.306 km

Perigee altitude

815.827 km

Semi-major axis

7,466.204 km

Eccentricity

0.03646

Inclination

63.3825°

RAAN

46.4552°

Arg. of periapsis

13.1788°

True anomaly

346.92517°

Mean anomaly

347.8458°

Eccentric anomaly

347.38969°

Mean motion

3.36429 °/min

Orbital period

107.01 mins

BSTAR

0.000044753

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Other satellites on launch #47 in the year 2014 (2014-08-09 UTC)

CZ-4C DEB, 49945 (Decayed)

CZ-4C DEB, 49946 (Decayed)

YAOGAN 20A Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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	2025-08-31 13:41:13.105Z	241.451° WSW	2025-08-31 13:46:13.105Z	321.966° NNW	35.088°	2025-08-31 13:51:13.105Z	22.817° NE
8 mins	2025-08-31 19:22:13.105Z	357.821° N	2025-08-31 19:26:13.105Z	37.525° NE	18.477°	2025-08-31 19:30:13.105Z	72.639° E
13 mins	2025-08-31 21:12:13.105Z	333.136° NNW	2025-08-31 21:17:13.105Z	31.871° NE	42.852°	2025-08-31 21:25:13.105Z	136.852° SSE
11 mins	2025-08-31 23:03:13.105Z	294.929° NW	2025-08-31 23:08:13.105Z	244.999° WSW	24.228°	2025-08-31 23:14:13.105Z	196.739° SSW
9 mins	2025-09-01 12:52:13.105Z	218.851° SW	2025-09-01 12:56:13.105Z	327.967° NNW	44.479°	2025-09-01 13:01:13.105Z	31.575° NE