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: 12 hours ago
TLE from 12 hours ago
0 HONGYUN 1
1 43871U 18108A 25258.31545565 -.00000010 00000-0 53040-4 0 9995
2 43871 99.7929 279.8715 0011257 344.8736 15.2060 13.50750575331975Epoch: 2025-09-15T07:34Z
TLE epoch observation values (Epoch: 2025-09-15T07:34:15.368Z)
Latitude
-0.00004°
Longitude
171.7856°
Altitude
1,064.191 km
Speed
7.324 km/s
True Right ascension
18h 39m 29s
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
12:18:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,075.184 km
Perigee altitude
1,058.423 km
Semi-major axis
7,444.94 km
Eccentricity
0.00113
Inclination
99.7929°
RAAN
279.8715°
Arg. of periapsis
344.8736°
True anomaly
15.23988°
Mean anomaly
15.206°
Eccentric anomaly
15.22294°
Mean motion
3.37871 °/min
Orbital period
106.55 mins
BSTAR
0.00005304
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-15 23:44:51.847Z | 92.891° ESE | 2025-09-15 23:48:51.847Z | 53.425° ENE | 16.442° | 2025-09-15 23:51:51.847Z | 23.942° NE |
| 11 mins | 2025-09-16 01:27:51.847Z | 166.52° S | 2025-09-16 01:32:51.847Z | 272.592° WNW | 44.864° | 2025-09-16 01:38:51.847Z | 343.803° N |
| 11 mins | 2025-09-16 14:23:51.847Z | 17.847° NNE | 2025-09-16 14:28:51.847Z | 106.633° ESE | 44.724° | 2025-09-16 14:34:51.847Z | 192.721° SSW |
| 6 mins | 2025-09-16 16:10:51.847Z | 326.841° NNW | 2025-09-16 16:12:51.847Z | 305.632° NW | 17.179° | 2025-09-16 16:16:51.847Z | 265.9° W |
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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