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: 5 hours ago
TLE from 5 hours ago
0 YUNHAI 2-1C
1 43911U 18112C 25310.27038021 .00000576 00000-0 29046-3 0 9997
2 43911 50.0108 213.5437 0000815 62.5101 297.5897 14.28863663359919Epoch: 2025-11-06T06:29Z
TLE epoch observation values (Epoch: 2025-11-06T06:29:20.850Z)
Latitude
-0.00001°
Longitude
70.47572°
Altitude
795.793 km
Speed
7.457 km/s
True Right ascension
14h 14m 10s
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
07:41:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
796.854 km
Perigee altitude
795.685 km
Semi-major axis
7,174.407 km
Eccentricity
0.00008
Inclination
50.0108°
RAAN
213.5437°
Arg. of periapsis
62.5101°
True anomaly
297.58142°
Mean anomaly
297.5897°
Eccentric anomaly
297.58556°
Mean motion
3.57161 °/min
Orbital period
100.79 mins
BSTAR
0.00029046
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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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-11-06 20:03:51.188Z | 209.031° SW | 2025-11-06 20:08:51.188Z | 137.582° SSE | 36.296° | 2025-11-06 20:13:51.188Z | 65.689° ENE |
| 8 mins | 2025-11-06 21:50:51.188Z | 268.624° W | 2025-11-06 21:53:51.188Z | 318.491° NNW | 36.487° | 2025-11-06 21:58:51.188Z | 47.662° ENE |
| 7 mins | 2025-11-06 23:37:51.188Z | 311.801° NW | 2025-11-06 23:40:51.188Z | 359.278° N | 25.557° | 2025-11-06 23:44:51.188Z | 52.419° ENE |
| 8 mins | 2025-11-07 01:23:51.188Z | 320.185° NNW | 2025-11-07 01:26:51.188Z | 7.639° NNE | 31.466° | 2025-11-07 01:31:51.188Z | 84.442° E |
| 9 mins | 2025-11-07 03:08:51.188Z | 299.822° NW | 2025-11-07 03:12:51.188Z | 237.771° WSW | 43.651° | 2025-11-07 03:17:51.188Z | 134.772° SE |
| 4 mins | 2025-11-07 04:55:51.188Z | 255.87° W | 2025-11-07 04:57:51.188Z | 232.076° WSW | 14.363° | 2025-11-07 04:59:51.188Z | 208.659° SW |
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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