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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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: 22 hours ago
TLE from 22 hours ago
0 YUNHAI 2-1B
1 43910U 18112B 26172.52937595 -.00000168 00000-0 -23647-5 0 9997
2 43910 50.0110 89.4210 0004745 242.8726 117.1705 14.29013272390860Epoch: 2026-06-21T12:42Z
TLE epoch observation values (Epoch: 2026-06-21T12:42:18.082Z)
Latitude
-0.00005°
Longitude
-10.88272°
Altitude
797.118 km
Speed
7.455 km/s
True Right ascension
05h 57m 41s
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
21:40:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
799.173 km
Perigee altitude
792.365 km
Semi-major axis
7,173.906 km
Eccentricity
0.00047
Inclination
50.011°
RAAN
89.421°
Arg. of periapsis
242.8726°
True anomaly
117.21886°
Mean anomaly
117.1705°
Eccentric anomaly
117.19468°
Mean motion
3.57199 °/min
Orbital period
100.78 mins
BSTAR
-0.0000023647
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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 | 2026-06-22 20:44:36.462Z | 214.507° SW | 2026-06-22 20:49:36.462Z | 148.143° SSE | 38.977° | 2026-06-22 20:54:36.462Z | 64.262° ENE |
| 9 mins | 2026-06-22 22:31:36.462Z | 271.26° WNW | 2026-06-22 22:35:36.462Z | 344.697° N | 35.26° | 2026-06-22 22:40:36.462Z | 50.052° ENE |
| 7 mins | 2026-06-23 00:18:36.462Z | 310.61° NW | 2026-06-23 00:21:36.462Z | 354.527° N | 25.436° | 2026-06-23 00:25:36.462Z | 51.63° ENE |
| 8 mins | 2026-06-23 02:04:36.462Z | 317.789° NNW | 2026-06-23 02:08:36.462Z | 28.292° NE | 33.13° | 2026-06-23 02:12:36.462Z | 86.448° E |
| 9 mins | 2026-06-23 03:49:36.462Z | 297.721° NW | 2026-06-23 03:53:36.462Z | 244.125° WSW | 41.581° | 2026-06-23 03:58:36.462Z | 140.334° SSE |
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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