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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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: 23 hours ago
TLE from 23 hours ago
0 YUNHAI 2-1C
1 43911U 18112C 26172.48656398 -.00000243 00000-0 -31811-4 0 9997
2 43911 50.0129 329.1904 0000874 148.3038 211.7930 14.28997781392408Epoch: 2026-06-21T11:40Z
TLE epoch observation values (Epoch: 2026-06-21T11:40:39.127Z)
Latitude
-0.00004°
Longitude
-115.6588°
Altitude
796.148 km
Speed
7.456 km/s
True Right ascension
21h 56m 45s
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
21:43:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
796.448 km
Perigee altitude
795.194 km
Semi-major axis
7,173.958 km
Eccentricity
0.00009
Inclination
50.0129°
RAAN
329.1904°
Arg. of periapsis
148.3038°
True anomaly
211.78772°
Mean anomaly
211.793°
Eccentric anomaly
211.79036°
Mean motion
3.57195 °/min
Orbital period
100.79 mins
BSTAR
-0.000031811
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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 | 2026-06-22 13:02:03.166Z | 216.492° SW | 2026-06-22 13:06:03.166Z | 126.667° SE | 41.624° | 2026-06-22 13:11:03.166Z | 60.944° ENE |
| 8 mins | 2026-06-22 14:48:03.166Z | 278.329° WNW | 2026-06-22 14:51:03.166Z | 326.848° NNW | 33.095° | 2026-06-22 14:56:03.166Z | 47.134° ENE |
| 7 mins | 2026-06-22 16:35:03.166Z | 315.645° NNW | 2026-06-22 16:38:03.166Z | 2.307° NNE | 25.393° | 2026-06-22 16:42:03.166Z | 56.035° ENE |
| 8 mins | 2026-06-22 18:21:03.166Z | 319.594° NNW | 2026-06-22 18:24:03.166Z | 10.458° NNE | 34.712° | 2026-06-22 18:29:03.166Z | 92.559° ESE |
| 9 mins | 2026-06-22 20:06:03.166Z | 293.277° NW | 2026-06-22 20:10:03.166Z | 218.568° SW | 39.495° | 2026-06-22 20:15:03.166Z | 145.083° 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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