HONGYUN 1, 43871
Orbit data source: Space-Track
HONGYUN 1, 43871 is a payload satellite owned by CASIC (CN) in SSO that was launched on Fri, 21 Dec 2018 UTC via a CHANG ZHENG 11 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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43871 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CASIC
Mission
Operational Civil Communications
Bus & Motor
HONGYUN, Unknown motor
Mass
~250 kg wet, ~250 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.0 m
Radar Cross Section
1.356 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 hours ago
TLE from 3 hours ago
0 HONGYUN 1
1 43871U 18108A 25308.53522867 .00000008 00000-0 81671-4 0 9992
2 43871 99.7872 329.2725 0011082 213.2327 146.8112 13.50756742338758Epoch: 2025-11-04T12:50Z
TLE epoch observation values (Epoch: 2025-11-04T12:50:43.757Z)
Latitude
-0.00004°
Longitude
92.56933°
Altitude
1,079.17 km
Speed
7.309 km/s
True Right ascension
21h 57m 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
11:18:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,075.031 km
Perigee altitude
1,058.53 km
Semi-major axis
7,444.917 km
Eccentricity
0.00111
Inclination
99.7872°
RAAN
329.2725°
Arg. of periapsis
213.2327°
True anomaly
146.88063°
Mean anomaly
146.8112°
Eccentric anomaly
146.84593°
Mean motion
3.37873 °/min
Orbital period
106.55 mins
BSTAR
0.000081671
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Other satellites on launch #108 in the year 2018 (2018-12-21 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.HONGYUN 1 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-11-04 23:42:33.464Z | 82.938° E | 2025-11-04 23:45:33.464Z | 52.359° ENE | 15.844° | 2025-11-04 23:48:33.464Z | 23.696° NE |
| 11 mins | 2025-11-05 01:24:33.464Z | 164.184° S | 2025-11-05 01:29:33.464Z | 327.64° NNW | 44.908° | 2025-11-05 01:35:33.464Z | 344.862° N |
| 4 mins | 2025-11-05 03:13:33.464Z | 254.713° W | 2025-11-05 03:15:33.464Z | 273.958° WNW | 12.847° | 2025-11-05 03:17:33.464Z | 292.639° NW |
| 11 mins | 2025-11-05 14:20:33.464Z | 19.336° NNE | 2025-11-05 14:25:33.464Z | 117.76° SE | 44.35° | 2025-11-05 14:31:33.464Z | 190.842° 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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