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YUNHAI 2-1E, 43913

Orbit data source: Space-Track

YUNHAI 2-1E, 43913 is a payload satellite owned by CASC (CN) in LEO that was launched on Sat, 29 Dec 2018 UTC via a CHANG ZHENG 2D/YZ-3 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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https://www.satcat.com/sats-embedded/43913?theme=dark&initialShowStats=false

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Identifier

43913, 2018-112E

Orbit

LEO

Country

CN / PRC

Related business

China Aerospace Science and Technology Corporation (CASC) (CN)

Manufacturer

DFH Shenzhen

Mission

Operational Defense Meteo Radio Occ.

Bus & Motor

YH-2, Unknown motor

Mass

~100 kg wet, ~100 kg dry

Launch date (UTC)

2018-12-29 (7 years ago)

Launch vehicle

CHANG ZHENG 2D/YZ-3

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

0.166 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 23 hours ago

TLE from 23 hours ago

0 YUNHAI 2-1E
1 43913U 18112E   26172.48733152 -.00000010  00000-0  59705-4 0  9996
2 43913  50.0052 148.4876 0005158  16.8813 343.2273 14.29011681389779

Epoch: 2026-06-21T11:41Z

TLE epoch observation values (Epoch: 2026-06-21T11:41:45.443Z)

Latitude

-0.00001°

Longitude

63.36135°

Altitude

792.025 km

Speed

7.461 km/s

True Right ascension

09h 53m 57s

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

21:40:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

799.476 km

Perigee altitude

792.075 km

Semi-major axis

7,173.912 km

Eccentricity

0.00052

Inclination

50.0052°

RAAN

148.4876°

Arg. of periapsis

16.8813°

True anomaly

343.21023°

Mean anomaly

343.2273°

Eccentric anomaly

343.21877°

Mean motion

3.57198 °/min

Orbital period

100.78 mins

BSTAR

0.000059705

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Other satellites on launch #112 in the year 2018 (2018-12-29 UTC)

CZ-2D R/B, 43916 (Decayed)

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YUNHAI 2-1E 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.
9 mins	2026-06-23 00:47:43.003Z	216.741° SW	2026-06-23 00:51:43.003Z	143.037° SSE	41.535°	2026-06-23 00:56:43.003Z	61.671° ENE
8 mins	2026-06-23 02:33:43.003Z	276.027° WNW	2026-06-23 02:37:43.003Z	348.109° N	33.42°	2026-06-23 02:41:43.003Z	45.869° ENE
7 mins	2026-06-23 04:20:43.003Z	312.994° NW	2026-06-23 04:23:43.003Z	357.318° N	25.344°	2026-06-23 04:27:43.003Z	54.013° ENE
8 mins	2026-06-23 06:06:43.003Z	317.89° NNW	2026-06-23 06:10:43.003Z	33.831° NE	34.589°	2026-06-23 06:14:43.003Z	90.973° ESE
9 mins	2026-06-23 07:51:43.003Z	294.521° NW	2026-06-23 07:55:43.003Z	230.597° WSW	39.642°	2026-06-23 08:00:43.003Z	145.27° 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 YUNHAI 2-1E, 43913 on other resources

View YUNHAI 2-1E, 43913 on NASA - NSSDCA Website

View YUNHAI 2-1E, 43913 on Heavens-Above

View YUNHAI 2-1E, 43913 on Keep Track

View YUNHAI 2-1E, 43913 on Celestrak

View YUNHAI 2-1E, 43913 on Gunter's Space Page

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

YUNHAI 2-1E, 43913

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 23 hours ago

TLE from 23 hours ago

TLE epoch observation values (Epoch: 2026-06-21T11:41:45.443Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #112 in the year 2018 (2018-12-29 UTC)

YUNHAI 2-1E Visibility forecast

Co-orbital & Co-planar RSOs

Check out YUNHAI 2-1E, 43913 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 23 hours ago