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: 8 hours ago
TLE from 8 hours ago
0 HONGYUN 1
1 43871U 18108A 25338.31148642 .00000021 00000-0 10150-3 0 9994
2 43871 99.7841 358.5465 0011983 139.9142 220.2879 13.50760208342775Epoch: 2025-12-04T07:28Z
TLE epoch observation values (Epoch: 2025-12-04T07:28:32.426Z)
Latitude
-0°
Longitude
173.04164°
Altitude
1,079.06 km
Speed
7.309 km/s
True Right ascension
23h 54m 11s
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
12:52:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,075.689 km
Perigee altitude
1,057.846 km
Semi-major axis
7,444.905 km
Eccentricity
0.0012
Inclination
99.7841°
RAAN
358.5465°
Arg. of periapsis
139.9142°
True anomaly
220.19921°
Mean anomaly
220.2879°
Eccentric anomaly
220.24354°
Mean motion
3.37874 °/min
Orbital period
106.55 mins
BSTAR
0.0001015
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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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-12-04 15:09:37.013Z | 2.231° NNE | 2025-12-04 15:15:37.013Z | 293.35° NW | 35.375° | 2025-12-04 15:21:37.013Z | 222.924° SW |
| 6 mins | 2025-12-04 23:40:37.013Z | 80.291° E | 2025-12-04 23:42:37.013Z | 60.357° ENE | 15.23° | 2025-12-04 23:46:37.013Z | 21.998° NNE |
| 11 mins | 2025-12-05 01:22:37.013Z | 162.687° S | 2025-12-05 01:27:37.013Z | 350.354° N | 44.53° | 2025-12-05 01:33:37.013Z | 345.528° N |
| 4 mins | 2025-12-05 03:11:37.013Z | 256.743° W | 2025-12-05 03:12:37.013Z | 266.517° W | 13.248° | 2025-12-05 03:15:37.013Z | 295.14° NW |
| 11 mins | 2025-12-05 14:18:37.013Z | 20.8° NNE | 2025-12-05 14:23:37.013Z | 140.38° SSE | 43.621° | 2025-12-05 14:29:37.013Z | 189.915° 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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