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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: 12 hours ago

TLE from 12 hours ago

0 YUNHAI 2-1A
1 43909U 18112A   26124.81613970  .00000199  00000-0  14177-3 0  9990
2 43909  50.0099 228.3113 0000311 168.5496 191.5426 14.29003577384881

Epoch: 2026-05-04T19:35Z

TLE epoch observation values (Epoch: 2026-05-04T19:35:14.470Z)

Latitude

-0.00003°

Longitude

71.80107°

Altitude

795.814 km

Speed

7.457 km/s

True Right ascension

15h 13m 14s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

15:26:03

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

796.025 km

Perigee altitude

795.578 km

Semi-major axis

7,173.939 km

Eccentricity

0.00003

Inclination

50.0099°

RAAN

228.3113°

Arg. of periapsis

168.5496°

True anomaly

191.54189°

Mean anomaly

191.5426°

Eccentric anomaly

191.54224°

Mean motion

3.57196 °/min

Orbital period

100.78 mins

BSTAR

0.00014177

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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.
9 mins	2026-05-05 09:09:45.819Z	204.92° SW	2026-05-05 09:14:45.819Z	127.029° SE	34.349°	2026-05-05 09:18:45.819Z	69.749° E
9 mins	2026-05-05 10:55:45.819Z	262.512° W	2026-05-05 10:59:45.819Z	330.773° NNW	38.083°	2026-05-05 11:04:45.819Z	49.46° ENE
8 mins	2026-05-05 12:42:45.819Z	305° NW	2026-05-05 12:45:45.819Z	346.924° N	25.494°	2026-05-05 12:50:45.819Z	54.236° ENE
9 mins	2026-05-05 14:28:45.819Z	315.943° NNW	2026-05-05 14:32:45.819Z	17.452° NNE	31.008°	2026-05-05 14:37:45.819Z	84.496° E
9 mins	2026-05-05 16:14:45.819Z	300.897° NW	2026-05-05 16:18:45.819Z	190.851° SSW	44.34°	2026-05-05 16:23:45.819Z	131.475° SE
4 mins	2026-05-05 18:01:45.819Z	252.437° W	2026-05-05 18:03:45.819Z	226.935° WSW	15.625°	2026-05-05 18:05:45.819Z	203.303° SW

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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: 12 hours ago

TLE from 12 hours ago

TLE epoch observation values (Epoch: 2026-05-04T19:35:14.470Z)

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: 12 hours ago