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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

Last TLE update

16 hours ago

Origin

Equipment Development Department of the Central Military Commission (China) (CN / PRC)

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, 1 m

Radar Cross Section

0.446 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 16 hours ago

0 YAOGAN 20A
1 40109U 14047A   25181.87191041 -.00000075  00000-0  18370-4 0  9994
2 40109  63.3798 204.6555 0359469  12.8280 348.1599 13.45392618535178

Epoch: 2025-06-30T20:55Z

TLE epoch observation values (Epoch: 2025-06-30T20:55:33.059Z)

Latitude

-0.00003°

Longitude

-28.40775°

Altitude

828.709 km

Speed

7.569 km/s

True Right ascension

13h 38m 37s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-35.03992°

Longitude

-50.57533°

Altitude

932.067 km

Speed

7.469 km/s

Apparent Right ascension

12h 17m 24s

Apparent Declination

-37° 09' 25"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

00:26:32

Azimuth

33.605° NE

Elevation

-86.714°

Doppler factor

Orbital elements

Apogee altitude

1,356.476 km

Perigee altitude

819.7 km

Semi-major axis

7,466.225 km

Eccentricity

0.03595

Inclination

63.3798°

RAAN

204.6555°

Arg. of periapsis

12.828°

True anomaly

Unknown

Mean anomaly

348.1599°

Eccentric anomaly

Unknown

Mean motion

3.36428 °/min

Orbital period

107.01 mins

BSTAR

0.00001837

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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°

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.
11 mins	2025-07-01 13:34:41.935Z	298.045° NW	2025-07-01 13:39:41.935Z	249.458° W	25.166°	2025-07-01 13:45:41.935Z	197.201° SSW
10 mins	2025-07-02 03:23:41.935Z	216.085° SW	2025-07-02 03:27:41.935Z	258.305° W	44.663°	2025-07-02 03:33:41.935Z	32.909° NE
6 mins	2025-07-02 05:16:41.935Z	295.147° NW	2025-07-02 05:19:41.935Z	330.876° NNW	17.285°	2025-07-02 05:22:41.935Z	3.143° NNE
4 mins	2025-07-02 09:05:41.935Z	12.127° NNE	2025-07-02 09:06:41.935Z	21.289° NNE	13.04°	2025-07-02 09:09:41.935Z	47.304° ENE
12 mins	2025-07-02 10:54:41.935Z	345.009° N	2025-07-02 10:59:41.935Z	50.361° ENE	34.378°	2025-07-02 11:06:41.935Z	116.851° SE

Authenticating...

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Check out YAOGAN 20A, 40109 on other resources

View YAOGAN 20A, 40109 on NASA - NSSDCA Website

View YAOGAN 20A, 40109 on Heavens-Above

View YAOGAN 20A, 40109 on Keep Track

View YAOGAN 20A, 40109 on Celestrak

View YAOGAN 20A, 40109 on Gunter's Space Page

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