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: 1 day ago
TLE from 1 day 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
00:51:13
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 14:46:39.943Z | 270.222° WNW | 2026-06-22 14:51:39.943Z | 344.437° N | 33.419° | 2026-06-22 14:55:39.943Z | 45.087° ENE |
| 8 mins | 2026-06-22 16:34:39.943Z | 311.94° NW | 2026-06-22 16:37:39.943Z | 354.829° N | 25.274° | 2026-06-22 16:42:39.943Z | 60.041° ENE |
| 8 mins | 2026-06-22 18:20:39.943Z | 316.971° NNW | 2026-06-22 18:24:39.943Z | 29.872° NE | 34.925° | 2026-06-22 18:28:39.943Z | 90.688° ESE |
| 8 mins | 2026-06-22 20:06:39.943Z | 290.369° WNW | 2026-06-22 20:09:39.943Z | 236.07° WSW | 39.165° | 2026-06-22 20:14:39.943Z | 146.161° SSE |
| 8 mins | 2026-06-23 12:31:39.943Z | 209.086° SW | 2026-06-23 12:35:39.943Z | 119.959° SE | 38.739° | 2026-06-23 12:39:39.943Z | 65.146° ENE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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