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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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Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/40111?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/40111?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

40111, 2014-047C

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

Unknown

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 20C
1 40111U 14047C   25243.26055229 -.00000062  00000-0  32239-4 0  9992
2 40111  63.3816  47.0604 0364598  13.5717 347.4800 13.45408085543282

Epoch: 2025-08-31T06:15Z

TLE epoch observation values (Epoch: 2025-08-31T06:15:11.717Z)

Latitude

-0.00007°

Longitude

-26.4215°

Altitude

825.651 km

Speed

7.572 km/s

True Right ascension

03h 08m 14s

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

05:11:06

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,360.246 km

Perigee altitude

815.816 km

Semi-major axis

7,466.168 km

Eccentricity

0.03646

Inclination

63.3816°

RAAN

47.0604°

Arg. of periapsis

13.5717°

True anomaly

346.53225°

Mean anomaly

347.48°

Eccentric anomaly

347.01045°

Mean motion

3.36431 °/min

Orbital period

107.01 mins

BSTAR

0.000032239

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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 20C 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.
11 mins	2025-08-31 13:31:39.676Z	232.067° WSW	2025-08-31 13:36:39.676Z	294.763° NW	38.504°	2025-08-31 13:42:39.676Z	26.048° NE
4 mins	2025-08-31 15:27:39.676Z	318.703° NNW	2025-08-31 15:28:39.676Z	329.428° NNW	13.13°	2025-08-31 15:31:39.676Z	359.753° N
7 mins	2025-08-31 19:13:39.676Z	0.828° NNE	2025-08-31 19:16:39.676Z	29.68° NE	16.685°	2025-08-31 19:20:39.676Z	65.251° ENE
13 mins	2025-08-31 21:03:39.676Z	337.216° NNW	2025-08-31 21:08:39.676Z	47.383° ENE	41.012°	2025-08-31 21:16:39.676Z	131.728° SE
11 mins	2025-08-31 22:54:39.676Z	296.355° NW	2025-08-31 22:59:39.676Z	240.676° WSW	27.493°	2025-08-31 23:05:39.676Z	190.952° SSW
9 mins	2025-09-01 12:43:39.676Z	209.589° SW	2025-09-01 12:47:39.676Z	55.052° ENE	44.381°	2025-09-01 12:52:39.676Z	35.116° NE