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: 5 hours ago
TLE from 5 hours ago
0 HONGYUN 1
1 43871U 18108A 25290.75833154 .00000020 00000-0 99974-4 0 9999
2 43871 99.7898 311.7896 0010739 259.7520 100.2404 13.50754561336358Epoch: 2025-10-17T18:11Z
TLE epoch observation values (Epoch: 2025-10-17T18:11:59.845Z)
Latitude
0.00005°
Longitude
12.29113°
Altitude
1,073.697 km
Speed
7.315 km/s
True Right ascension
20h 47m 09s
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
17:50:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,074.784 km
Perigee altitude
1,058.794 km
Semi-major axis
7,444.926 km
Eccentricity
0.00107
Inclination
99.7898°
RAAN
311.7896°
Arg. of periapsis
259.752°
True anomaly
100.36147°
Mean anomaly
100.2404°
Eccentric anomaly
100.30094°
Mean motion
3.37872 °/min
Orbital period
106.55 mins
BSTAR
0.000099974
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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 | 2025-10-17 23:43:04.547Z | 89.389° E | 2025-10-17 23:46:04.547Z | 60.37° ENE | 16.116° | 2025-10-17 23:50:04.547Z | 21.488° NNE |
| 12 mins | 2025-10-18 01:25:04.547Z | 164.781° S | 2025-10-18 01:31:04.547Z | 329.965° NNW | 44.481° | 2025-10-18 01:37:04.547Z | 344.596° N |
| 4 mins | 2025-10-18 03:15:04.547Z | 257.281° W | 2025-10-18 03:16:04.547Z | 266.78° W | 12.472° | 2025-10-18 03:19:04.547Z | 294.708° NW |
| 11 mins | 2025-10-18 14:22:04.547Z | 19.146° NNE | 2025-10-18 14:27:04.547Z | 143.474° SSE | 44.23° | 2025-10-18 14:33:04.547Z | 191.751° SSW |
| 7 mins | 2025-10-18 16:08:04.547Z | 333.157° NNW | 2025-10-18 16:11:04.547Z | 301.745° NW | 17.665° | 2025-10-18 16:15:04.547Z | 262.773° 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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