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: 17 hours ago
TLE from 17 hours ago
0 YUNHAI 2-1C
1 43911U 18112C 26124.65319965 .00000337 00000-0 19578-3 0 9996
2 43911 50.0106 172.2209 0000582 310.3910 49.6955 14.28980726385569Epoch: 2026-05-04T15:40Z
TLE epoch observation values (Epoch: 2026-05-04T15:40:36.449Z)
Latitude
0.00001°
Longitude
74.52973°
Altitude
795.402 km
Speed
7.457 km/s
True Right ascension
11h 28m 53s
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
16:31:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
796.295 km
Perigee altitude
795.46 km
Semi-major axis
7,174.015 km
Eccentricity
0.00006
Inclination
50.0106°
RAAN
172.2209°
Arg. of periapsis
310.391°
True anomaly
49.70059°
Mean anomaly
49.6955°
Eccentric anomaly
49.69804°
Mean motion
3.5719 °/min
Orbital period
100.79 mins
BSTAR
0.00019578
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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 | 2026-05-05 08:46:17.688Z | 293.338° NW | 2026-05-05 08:51:17.688Z | 359.956° N | 26.061° | 2026-05-05 08:55:17.688Z | 51.02° ENE |
| 8 mins | 2026-05-05 10:34:17.688Z | 321.316° NNW | 2026-05-05 10:37:17.688Z | 9.326° NNE | 29.489° | 2026-05-05 10:42:17.688Z | 79.373° E |
| 9 mins | 2026-05-05 12:19:17.688Z | 304.197° NW | 2026-05-05 12:23:17.688Z | 304.171° NW | 44.86° | 2026-05-05 12:28:17.688Z | 125.722° SE |
| 5 mins | 2026-05-05 14:06:17.688Z | 258.856° W | 2026-05-05 14:08:17.688Z | 231.721° WSW | 18.709° | 2026-05-05 14:11:17.688Z | 193.666° SSW |
| 8 mins | 2026-05-06 04:45:17.688Z | 186.642° SSW | 2026-05-06 04:49:17.688Z | 123.882° SE | 27.46° | 2026-05-06 04:53:17.688Z | 74.077° E |
| 9 mins | 2026-05-06 06:30:17.688Z | 252.963° W | 2026-05-06 06:34:17.688Z | 347.039° N | 41.753° | 2026-05-06 06:39:17.688Z | 52.094° ENE |
| 7 mins | 2026-05-06 08:17:17.688Z | 303.95° NW | 2026-05-06 08:20:17.688Z | 352.423° N | 26.785° | 2026-05-06 08:24:17.688Z | 47.774° ENE |
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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