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YUNHAI 2-1A, 43909

Orbit data source: Space-Track

YUNHAI 2-1A, 43909 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/43909?theme=dark&initialShowStats=false

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Identifier

43909, 2018-112A

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: 21 hours ago

TLE from 21 hours ago

0 YUNHAI 2-1A
1 43909U 18112A   26172.57876118 -.00000185  00000-0 -91203-5 0  9995
2 43909  50.0108  25.5661 0000101  90.3346 269.7581 14.29022419391716

Epoch: 2026-06-21T13:53Z

TLE epoch observation values (Epoch: 2026-06-21T13:53:24.965Z)

Latitude

-0.00003°

Longitude

-92.56496°

Altitude

795.533 km

Speed

7.457 km/s

True Right ascension

01h 42m 15s

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

21:36:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

795.811 km

Perigee altitude

795.666 km

Semi-major axis

7,173.875 km

Eccentricity

0.00001

Inclination

50.0108°

RAAN

25.5661°

Arg. of periapsis

90.3346°

True anomaly

269.75694°

Mean anomaly

269.7581°

Eccentric anomaly

269.75752°

Mean motion

3.57201 °/min

Orbital period

100.78 mins

BSTAR

-0.0000091203

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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 2-1A 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	2026-06-22 15:12:21.527Z	156.502° SSE	2026-06-22 15:15:21.527Z	122.227° SE	14.075°	2026-06-22 15:17:21.527Z	99.53° ESE
9 mins	2026-06-22 16:55:21.527Z	224.055° SW	2026-06-22 16:59:21.527Z	171.963° S	43.255°	2026-06-22 17:04:21.527Z	59.709° ENE
9 mins	2026-06-22 18:41:21.527Z	277.997° WNW	2026-06-22 18:45:21.527Z	338.886° N	31.91°	2026-06-22 18:50:21.527Z	48.931° ENE
8 mins	2026-06-22 20:28:21.527Z	311.242° NW	2026-06-22 20:32:21.527Z	10.374° NNE	25.381°	2026-06-22 20:36:21.527Z	60.424° ENE
9 mins	2026-06-22 22:14:21.527Z	314.795° NW	2026-06-22 22:18:21.527Z	23.813° NE	36.882°	2026-06-22 22:23:21.527Z	98.229° ESE
8 mins	2026-06-23 00:00:21.527Z	287.653° WNW	2026-06-23 00:03:21.527Z	239.122° WSW	36.005°	2026-06-23 00:08:21.527Z	152.245° 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 2-1A, 43909 on other resources

View YUNHAI 2-1A, 43909 on NASA - NSSDCA Website

View YUNHAI 2-1A, 43909 on Heavens-Above

View YUNHAI 2-1A, 43909 on Keep Track

View YUNHAI 2-1A, 43909 on Celestrak

View YUNHAI 2-1A, 43909 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 2-1A, 43909

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 21 hours ago

TLE from 21 hours ago

TLE epoch observation values (Epoch: 2026-06-21T13:53:24.965Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

YUNHAI 2-1A Visibility forecast

Co-orbital & Co-planar RSOs

Check out YUNHAI 2-1A, 43909 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 21 hours ago