YUNHAI 2-1F, 43915
Orbit data source: Space-Track
YUNHAI 2-1F, 43915 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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43915 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 2-1F
1 43915U 18112G 25258.26228041 .00000180 00000-0 13449-3 0 9995
2 43915 50.0119 314.5249 0006892 83.5284 276.6416 14.28849781348990Epoch: 2025-09-15T06:17Z
TLE epoch observation values (Epoch: 2025-09-15T06:17:41.027Z)
Latitude
-0°
Longitude
-134.36551°
Altitude
795.542 km
Speed
7.457 km/s
True Right ascension
20h 58m 05s
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
07:39:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
801.261 km
Perigee altitude
791.371 km
Semi-major axis
7,174.453 km
Eccentricity
0.00069
Inclination
50.0119°
RAAN
314.5249°
Arg. of periapsis
83.5284°
True anomaly
276.56315°
Mean anomaly
276.6416°
Eccentric anomaly
276.60237°
Mean motion
3.57158 °/min
Orbital period
100.8 mins
BSTAR
0.00013449
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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 2-1F 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-15 15:18:34.216Z | 255.477° W | 2025-09-15 15:20:34.216Z | 232.005° WSW | 13.818° | 2025-09-15 15:22:34.216Z | 209° SW |
| 8 mins | 2025-09-16 05:57:34.216Z | 197.814° SSW | 2025-09-16 06:01:34.216Z | 124.087° SE | 33.412° | 2025-09-16 06:05:34.216Z | 69.797° E |
| 9 mins | 2025-09-16 07:42:34.216Z | 261.968° W | 2025-09-16 07:46:34.216Z | 335.307° NNW | 38.477° | 2025-09-16 07:51:34.216Z | 50.016° ENE |
| 8 mins | 2025-09-16 09:29:34.216Z | 305.563° NW | 2025-09-16 09:32:34.216Z | 348.991° N | 25.593° | 2025-09-16 09:37:34.216Z | 54.679° ENE |
| 8 mins | 2025-09-16 11:15:34.216Z | 316.676° NNW | 2025-09-16 11:19:34.216Z | 20.041° NNE | 30.592° | 2025-09-16 11:23:34.216Z | 78.933° E |
| 9 mins | 2025-09-16 13:01:34.216Z | 301.507° NW | 2025-09-16 13:05:34.216Z | 173.169° S | 44.357° | 2025-09-16 13:10:34.216Z | 130.267° SE |
| 4 mins | 2025-09-16 14:48:34.216Z | 251.783° W | 2025-09-16 14:50:34.216Z | 225.647° WSW | 16.103° | 2025-09-16 14:52:34.216Z | 201.793° SSW |
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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