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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43910 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
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)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 0.5 m
Radar Cross Section
0.166 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 YUNHAI 2-1B
1 43910U 18112B 25258.28173106 .00000207 00000-0 14501-3 0 9993
2 43910 50.0103 194.6185 0005087 338.3871 21.6829 14.28835342350933Epoch: 2025-09-15T06:45Z
TLE epoch observation values (Epoch: 2025-09-15T06:45:41.563Z)
Latitude
-0.00001°
Longitude
98.70668°
Altitude
792.768 km
Speed
7.46 km/s
True Right ascension
12h 58m 28s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
07:39:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
800.014 km
Perigee altitude
792.715 km
Semi-major axis
7,174.502 km
Eccentricity
0.00051
Inclination
50.0103°
RAAN
194.6185°
Arg. of periapsis
338.3871°
True anomaly
21.70445°
Mean anomaly
21.6829°
Eccentric anomaly
21.69367°
Mean motion
3.57154 °/min
Orbital period
100.8 mins
BSTAR
0.00014501
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Other satellites on launch #112 in the year 2018 (2018-12-29 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.YUNHAI 2-1B 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-09-15 22:00:33.875Z | 203.011° SW | 2025-09-15 22:05:33.875Z | 133.598° SE | 32.764° | 2025-09-15 22:10:33.875Z | 67.71° E |
| 9 mins | 2025-09-15 23:46:33.875Z | 259.054° W | 2025-09-15 23:50:33.875Z | 321.188° NNW | 38.924° | 2025-09-15 23:55:33.875Z | 49.215° ENE |
| 8 mins | 2025-09-16 01:33:33.875Z | 302.214° NW | 2025-09-16 01:37:33.875Z | 2.156° NNE | 25.776° | 2025-09-16 01:41:33.875Z | 52.262° ENE |
| 8 mins | 2025-09-16 03:20:33.875Z | 322.005° NNW | 2025-09-16 03:23:33.875Z | 11.598° NNE | 30.272° | 2025-09-16 03:28:33.875Z | 81.603° E |
| 9 mins | 2025-09-16 05:05:33.875Z | 302.697° NW | 2025-09-16 05:09:33.875Z | 241.773° WSW | 44.827° | 2025-09-16 05:14:33.875Z | 128.765° SE |
| 5 mins | 2025-09-16 06:52:33.875Z | 256.669° W | 2025-09-16 06:54:33.875Z | 230.549° WSW | 17.24° | 2025-09-16 06:57:33.875Z | 194.837° SSW |
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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