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: 9 hours ago
TLE from 9 hours ago
0 YUNHAI 2-1C
1 43911U 18112C 26035.06856225 .00000064 00000-0 88862-4 0 9997
2 43911 50.0096 192.4456 0000638 66.7461 293.3521 14.28931538372751Epoch: 2026-02-04T01:38Z
TLE epoch observation values (Epoch: 2026-02-04T01:38:43.778Z)
Latitude
-0.00004°
Longitude
33.52271°
Altitude
795.655 km
Speed
7.457 km/s
True Right ascension
12h 49m 46s
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
12:24:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
796.5 km
Perigee altitude
795.585 km
Semi-major axis
7,174.18 km
Eccentricity
0.00006
Inclination
50.0096°
RAAN
192.4456°
Arg. of periapsis
66.7461°
True anomaly
293.34539°
Mean anomaly
293.3521°
Eccentric anomaly
293.34874°
Mean motion
3.57178 °/min
Orbital period
100.79 mins
BSTAR
0.000088862
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-02-04 11:51:10.500Z | 170.368° S | 2026-02-04 11:54:10.500Z | 135.414° SSE | 18.262° | 2026-02-04 11:58:10.500Z | 86.537° E |
| 9 mins | 2026-02-04 13:35:10.500Z | 233.782° WSW | 2026-02-04 13:39:10.500Z | 228.674° WSW | 44.604° | 2026-02-04 13:44:10.500Z | 56.093° ENE |
| 8 mins | 2026-02-04 15:22:10.500Z | 290.685° WNW | 2026-02-04 15:25:10.500Z | 339.047° N | 29.605° | 2026-02-04 15:30:10.500Z | 49.014° ENE |
| 7 mins | 2026-02-04 17:09:10.500Z | 321.42° NNW | 2026-02-04 17:12:10.500Z | 10.098° NNE | 26.114° | 2026-02-04 17:16:10.500Z | 63.31° ENE |
| 9 mins | 2026-02-04 18:54:10.500Z | 312.492° NW | 2026-02-04 18:58:10.500Z | 22.085° NNE | 40.001° | 2026-02-04 19:03:10.500Z | 105.257° ESE |
| 8 mins | 2026-02-04 20:40:10.500Z | 281.849° WNW | 2026-02-04 20:43:10.500Z | 235.389° WSW | 30.952° | 2026-02-04 20:48:10.500Z | 160.974° S |
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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