Showing default

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.

Loading next visibility...

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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

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 (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: 22 hours ago

TLE from 22 hours ago

0 YAOGAN 20C
1 40111U 14047C   26172.51523433 -.00000120  00000-0 -30764-4 0  9996
2 40111  63.3793   8.5458 0390328  15.1331 346.0988 13.45450707582873

Epoch: 2026-06-21T12:21Z

TLE epoch observation values (Epoch: 2026-06-21T12:21:56.246Z)

Latitude

-0.00001°

Longitude

-86.65296°

Altitude

808.55 km

Speed

7.589 km/s

True Right ascension

00h 34m 10s

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

21:41:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,379.292 km

Perigee altitude

796.454 km

Semi-major axis

7,466.01 km

Eccentricity

0.03903

Inclination

63.3793°

RAAN

8.5458°

Arg. of periapsis

15.1331°

True anomaly

344.97097°

Mean anomaly

346.0988°

Eccentric anomaly

345.54037°

Mean motion

3.36442 °/min

Orbital period

107 mins

BSTAR

-0.000030764

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

YAOGAN 20B, 40110

CZ-4C R/B, 40112

YAOGAN 20A, 40109

CZ-4C DEB, 49945 (Decayed)

CZ-4C DEB, 49946 (Decayed)

CZ-4C DEB, 40114

CZ-4C DEB, 40113

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

YAOGAN 20C Visibility forecast

Loading observer location...
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.
6 mins	2026-06-22 13:28:01.857Z	143.318° SSE	2026-06-22 13:31:01.857Z	106.681° ESE	16.548°	2026-06-22 13:34:01.857Z	72.048° E
9 mins	2026-06-22 15:17:01.857Z	230.965° WSW	2026-06-22 15:21:01.857Z	330.243° NNW	41.211°	2026-06-22 15:26:01.857Z	28.04° NE
4 mins	2026-06-22 17:11:01.857Z	315.371° NNW	2026-06-22 17:12:01.857Z	326.733° NNW	14.123°	2026-06-22 17:15:01.857Z	358.696° N
6 mins	2026-06-22 20:58:01.857Z	8.877° NNE	2026-06-22 21:00:01.857Z	28.09° NE	15.061°	2026-06-22 21:04:01.857Z	62.252° ENE
13 mins	2026-06-22 22:47:01.857Z	339.527° N	2026-06-22 22:52:01.857Z	43.941° NE	38.553°	2026-06-22 23:00:01.857Z	126.457° SE
12 mins	2026-06-23 00:38:01.857Z	300.619° NW	2026-06-23 00:43:01.857Z	241.841° WSW	30.915°	2026-06-23 00:50:01.857Z	183.3° SSW

Items per page:

1–6 of 6 items

of 1 page

Co-orbital & Co-planar RSOs

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

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

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

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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

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

YAOGAN 20C, 40111

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 22 hours ago

TLE from 22 hours ago

TLE epoch observation values (Epoch: 2026-06-21T12:21:56.246Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

YAOGAN 20C Visibility forecast

Co-orbital & Co-planar RSOs

Check out YAOGAN 20C, 40111 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 22 hours ago