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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: 5 hours ago

TLE from 5 hours ago

0 YUNHAI 2-1A
1 43909U 18112A   26035.16304523  .00000203  00000-0  14339-3 0  9996
2 43909  50.0088 248.8603 0000432  97.4999 262.5966 14.28956486372062

Epoch: 2026-02-04T03:54Z

TLE epoch observation values (Epoch: 2026-02-04T03:54:47.107Z)

Latitude

0.00002°

Longitude

55.83046°

Altitude

795.793 km

Speed

7.457 km/s

True Right ascension

16h 35m 26s

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

10:39:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

796.269 km

Perigee altitude

795.649 km

Semi-major axis

7,174.096 km

Eccentricity

0.00004

Inclination

50.0088°

RAAN

248.8603°

Arg. of periapsis

97.4999°

True anomaly

262.59169°

Mean anomaly

262.5966°

Eccentric anomaly

262.59415°

Mean motion

3.57184 °/min

Orbital period

100.79 mins

BSTAR

0.00014339

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

YUNHAI 2-1C, 43911

YUNHAI 2-1D, 43912

YUNHAI 2-1F, 43915

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

YUNHAI 2-1B, 43910

YUNHAI 2-1E, 43913

HONGYAN 1, 43914

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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.
8 mins	2026-02-04 15:47:38.554Z	182.106° SSW	2026-02-04 15:51:38.554Z	134.104° SE	22.131°	2026-02-04 15:55:38.554Z	82.188° E
9 mins	2026-02-04 17:32:38.554Z	241.48° WSW	2026-02-04 17:36:38.554Z	299.934° NW	44.286°	2026-02-04 17:41:38.554Z	53.719° ENE
8 mins	2026-02-04 19:19:38.554Z	295.307° NW	2026-02-04 19:22:38.554Z	342.06° N	28.179°	2026-02-04 19:27:38.554Z	50.081° ENE
7 mins	2026-02-04 21:06:38.554Z	322.958° NNW	2026-02-04 21:09:38.554Z	12.579° NNE	26.914°	2026-02-04 21:13:38.554Z	66.9° ENE
9 mins	2026-02-04 22:51:38.554Z	310.639° NW	2026-02-04 22:55:38.554Z	27.988° NE	42.384°	2026-02-04 23:00:38.554Z	111.687° ESE
7 mins	2026-02-05 00:37:38.554Z	276.292° WNW	2026-02-05 00:40:38.554Z	230.831° WSW	26.943°	2026-02-05 00:44:38.554Z	172.696° S

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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: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-02-04T03:54:47.107Z)

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: 5 hours ago