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YAOGAN 20B, 40110

Orbit data source: Space-Track

YAOGAN 20B, 40110 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/40110?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/40110?theme=dark&initialShowStats=false

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Identifier

40110, 2014-047B

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 (12 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: 5 hours ago

TLE from 5 hours ago

0 YAOGAN 20B
1 40110U 14047B   26126.29447782 -.00000063  00000-0  29717-4 0  9992
2 40110  63.3764 128.0348 0386442  14.4529 346.7185 13.45435688576644

Epoch: 2026-05-06T07:04Z

TLE epoch observation values (Epoch: 2026-05-06T07:04:02.883Z)

Latitude

-0.00005°

Longitude

157.86573°

Altitude

810.614 km

Speed

7.587 km/s

True Right ascension

08h 32m 08s

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

19:41:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,376.449 km

Perigee altitude

799.409 km

Semi-major axis

7,466.066 km

Eccentricity

0.03864

Inclination

63.3764°

RAAN

128.0348°

Arg. of periapsis

14.4529°

True anomaly

345.65114°

Mean anomaly

346.7185°

Eccentric anomaly

346.18998°

Mean motion

3.36438 °/min

Orbital period

107 mins

BSTAR

0.000029717

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

CZ-4C DEB, 40113

CZ-4C DEB, 49946 (Decayed)

CZ-4C DEB, 49945 (Decayed)

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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.

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YAOGAN 20B 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.
5 mins	2026-05-06 13:04:48.644Z	271.115° WNW	2026-05-06 13:06:48.644Z	255.397° W	12.269°	2026-05-06 13:09:48.644Z	233.037° WSW
7 mins	2026-05-07 01:02:48.644Z	158.01° S	2026-05-07 01:05:48.644Z	106.467° ESE	27.129°	2026-05-07 01:09:48.644Z	56.113° ENE
9 mins	2026-05-07 02:51:48.644Z	250.896° W	2026-05-07 02:55:48.644Z	315.208° NNW	32.27°	2026-05-07 03:00:48.644Z	20.174° NNE
9 mins	2026-05-07 08:31:48.644Z	355.735° N	2026-05-07 08:35:48.644Z	35.997° NE	19.988°	2026-05-07 08:40:48.644Z	80.102° E
13 mins	2026-05-07 10:21:48.644Z	330.234° NNW	2026-05-07 10:27:48.644Z	86.593° E	44.041°	2026-05-07 10:34:48.644Z	141.171° SSE

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out YAOGAN 20B, 40110 on other resources

View YAOGAN 20B, 40110 on NASA - NSSDCA Website

View YAOGAN 20B, 40110 on Heavens-Above

View YAOGAN 20B, 40110 on Keep Track

View YAOGAN 20B, 40110 on Celestrak

View YAOGAN 20B, 40110 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

YAOGAN 20B, 40110

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-05-06T07:04:02.883Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

YAOGAN 20B Visibility forecast

Co-orbital & Co-planar RSOs

Check out YAOGAN 20B, 40110 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 hours ago