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YUNHAI 2-1B, 43910

Orbit data source: Space-Track

YUNHAI 2-1B, 43910 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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<iframe src="https://www.satcat.com/sats-embedded/43910?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/43910?theme=dark&initialShowStats=false

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Identifier

43910, 2018-112B

Orbit

LEO

Last TLE update

6 hours ago

Origin

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

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, 1 m

Radar Cross Section

0.166 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 6 hours ago

0 YUNHAI 2-1B
1 43910U 18112B   25185.19410119  .00000076  00000-0  93580-4 0  9999
2 43910  50.0109 144.7556 0004632  78.4583 281.6853 14.28798838340486

Epoch: 2025-07-04T04:39Z

TLE epoch observation values (Epoch: 2025-07-04T04:39:30.342Z)

Latitude

0.00004°

Longitude

152.42921°

Altitude

795.609 km

Speed

7.457 km/s

True Right ascension

09h 39m 01s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

-46.76974°

Longitude

33.89597°

Altitude

814.701 km

Speed

7.444 km/s

Apparent Right ascension

06h 11m 37s

Apparent Declination

-67° 40' 37"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:42:19

Azimuth

150.337° SSE

Elevation

-44.769°

Doppler factor

Orbital elements

Apogee altitude

799.81 km

Perigee altitude

793.163 km

Semi-major axis

7,174.624 km

Eccentricity

0.00046

Inclination

50.0109°

RAAN

144.7556°

Arg. of periapsis

78.4583°

True anomaly

Unknown

Mean anomaly

281.6853°

Eccentric anomaly

Unknown

Mean motion

3.57145 °/min

Orbital period

100.8 mins

BSTAR

0.00009358

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

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

YUNHAI 2-1B Visibility forecast

Observer location: undefined°, undefined°

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	2025-07-04 23:15:58.409Z	194.687° SSW	2025-07-04 23:19:58.409Z	142.618° SSE	29.02°	2025-07-04 23:24:58.409Z	71.995° E
9 mins	2025-07-05 01:01:58.409Z	256.206° W	2025-07-05 01:05:58.409Z	352.319° N	40.629°	2025-07-05 01:10:58.409Z	51.949° ENE
7 mins	2025-07-05 02:48:58.409Z	306.143° NW	2025-07-05 02:51:58.409Z	355.013° N	26.394°	2025-07-05 02:55:58.409Z	48.993° ENE
8 mins	2025-07-05 04:34:58.409Z	319.205° NNW	2025-07-05 04:37:58.409Z	3.66° NNE	28.617°	2025-07-05 04:42:58.409Z	76.514° E
9 mins	2025-07-05 06:19:58.409Z	305.245° NW	2025-07-05 06:23:58.409Z	322.802° NNW	44.064°	2025-07-05 06:28:58.409Z	122.893° SE
6 mins	2025-07-05 08:06:58.409Z	263.316° W	2025-07-05 08:08:58.409Z	236.217° WSW	19.942°	2025-07-05 08:12:58.409Z	185.559° SSW

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Check out YUNHAI 2-1B, 43910 on other resources

View YUNHAI 2-1B, 43910 on NASA - NSSDCA Website

View YUNHAI 2-1B, 43910 on Heavens-Above

View YUNHAI 2-1B, 43910 on Keep Track

View YUNHAI 2-1B, 43910 on Celestrak

View YUNHAI 2-1B, 43910 on Gunter's Space Page

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