YUNHAI 2-1C, 43911
Orbit data source: Space-Track
YUNHAI 2-1C, 43911 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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43911 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 2-1C
1 43911U 18112C 25258.30560625 .00000197 00000-0 14129-3 0 9997
2 43911 50.0113 74.0544 0000451 241.8698 118.2172 14.28817092352488Epoch: 2025-09-15T07:20Z
TLE epoch observation values (Epoch: 2025-09-15T07:20:04.38Z)
Latitude
0.00003°
Longitude
-30.47599°
Altitude
796.372 km
Speed
7.457 km/s
True Right ascension
04h 56m 13s
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
07:37:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
796.749 km
Perigee altitude
796.102 km
Semi-major axis
7,174.562 km
Eccentricity
0.00005
Inclination
50.0113°
RAAN
74.0544°
Arg. of periapsis
241.8698°
True anomaly
118.22175°
Mean anomaly
118.2172°
Eccentric anomaly
118.21948°
Mean motion
3.57149 °/min
Orbital period
100.8 mins
BSTAR
0.00014129
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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 2-1C 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 | 2025-09-15 15:57:33.086Z | 261.306° W | 2025-09-15 16:01:33.086Z | 317.929° NNW | 37.521° | 2025-09-15 16:06:33.086Z | 48.187° ENE |
| 7 mins | 2025-09-15 17:45:33.086Z | 311.334° NW | 2025-09-15 17:48:33.086Z | 359.647° N | 25.687° | 2025-09-15 17:52:33.086Z | 52.017° ENE |
| 8 mins | 2025-09-15 19:31:33.086Z | 320.602° NNW | 2025-09-15 19:34:33.086Z | 8.284° NNE | 30.857° | 2025-09-15 19:39:33.086Z | 82.861° E |
| 9 mins | 2025-09-15 21:16:33.086Z | 301.172° NW | 2025-09-15 21:20:33.086Z | 244.925° WSW | 44.247° | 2025-09-15 21:25:33.086Z | 132.058° SE |
| 5 mins | 2025-09-15 23:03:33.086Z | 256.79° W | 2025-09-15 23:05:33.086Z | 232.093° WSW | 15.619° | 2025-09-15 23:08:33.086Z | 197.677° SSW |
| 8 mins | 2025-09-16 13:42:33.086Z | 193.829° SSW | 2025-09-16 13:46:33.086Z | 125.29° SE | 31.324° | 2025-09-16 13:50:33.086Z | 71.696° E |
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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