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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 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

Last TLE update

10 hours ago

Origin

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

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, 1 m

Radar Cross Section

0.446 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 10 hours ago

0 YAOGAN 20C
1 40111U 14047C   25193.90747713 -.00000056  00000-0  40018-4 0  9990
2 40111  63.3793 174.2395 0360509  13.2746 347.7464 13.45402744536640

Epoch: 2025-07-12T21:46Z

TLE epoch observation values (Epoch: 2025-07-12T21:46:46.024Z)

Latitude

-0.00002°

Longitude

-83.49059°

Altitude

828.351 km

Speed

7.569 km/s

True Right ascension

11h 36m 57s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-56.97325°

Longitude

-134.69365°

Altitude

1,066.391 km

Speed

7.34 km/s

Apparent Right ascension

08h 24m 25s

Apparent Declination

-48° 58' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

20:34:36

Azimuth

169.524° S

Elevation

-80.767°

Doppler factor

Orbital elements

Apogee altitude

1,357.213 km

Perigee altitude

818.888 km

Semi-major axis

7,466.188 km

Eccentricity

0.03605

Inclination

63.3793°

RAAN

174.2395°

Arg. of periapsis

13.2746°

True anomaly

Unknown

Mean anomaly

347.7464°

Eccentric anomaly

Unknown

Mean motion

3.3643 °/min

Orbital period

107.01 mins

BSTAR

0.000040018

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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°

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	2025-07-13 09:00:13.688Z	330.672° NNW	2025-07-13 09:07:13.688Z	78.231° E	43.022°	2025-07-13 09:14:13.688Z	137.363° SSE
11 mins	2025-07-13 10:52:13.688Z	295.315° NW	2025-07-13 10:57:13.688Z	246.365° WSW	23.851°	2025-07-13 11:03:13.688Z	197.7° SSW
4 mins	2025-07-13 22:54:13.688Z	122.893° SE	2025-07-13 22:55:13.688Z	111.426° ESE	13.19°	2025-07-13 22:58:13.688Z	78.689° E
9 mins	2025-07-14 00:41:13.688Z	219.686° SW	2025-07-14 00:45:13.688Z	311.388° NW	44.407°	2025-07-14 00:50:13.688Z	31.079° NE
6 mins	2025-07-14 02:34:13.688Z	298.677° NW	2025-07-14 02:37:13.688Z	333.984° NNW	16.473°	2025-07-14 02:40:13.688Z	4.856° NNE
5 mins	2025-07-14 06:22:13.688Z	5.444° NNE	2025-07-14 06:24:13.688Z	23.75° NE	13.537°	2025-07-14 06:27:13.688Z	49.833° ENE

Authenticating...

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Check out YAOGAN 20C, 40111 on other resources

View YAOGAN 20C, 40111 on NASA - NSSDCA Website

View YAOGAN 20C, 40111 on Heavens-Above

View YAOGAN 20C, 40111 on Keep Track

View YAOGAN 20C, 40111 on Celestrak

View YAOGAN 20C, 40111 on Gunter's Space Page

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