HONGYAN 1, 43914
Orbit data source: Space-Track
HONGYAN 1, 43914 is a payload satellite owned by Yidong Tongxin (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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43914 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
DFH Shenzhen
Mission
Operational Commercial Communications
Bus & Motor
HONGYAN, Unknown motor
Mass
~500 kg wet, ~500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.5 m
Radar Cross Section
3.085 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 HONGYAN 1
1 43914U 18112F 25258.00126966 -.00000107 00000-0 38234-4 0 9999
2 43914 50.0066 169.1723 0006545 138.4504 221.6873 13.43803031329531Epoch: 2025-09-15T00:01Z
TLE epoch observation values (Epoch: 2025-09-15T00:01:49.698Z)
Latitude
-0.00001°
Longitude
174.50302°
Altitude
1,099.31 km
Speed
7.302 km/s
True Right ascension
11h 16m 41s
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
07:38:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,100.747 km
Perigee altitude
1,090.964 km
Semi-major axis
7,473.992 km
Eccentricity
0.00065
Inclination
50.0066°
RAAN
169.1723°
Arg. of periapsis
138.4504°
True anomaly
221.63745°
Mean anomaly
221.6873°
Eccentric anomaly
221.66237°
Mean motion
3.35903 °/min
Orbital period
107.17 mins
BSTAR
0.000038234
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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.HONGYAN 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-09-15 19:47:43.451Z | 188.001° SSW | 2025-09-15 19:52:43.451Z | 134.313° SE | 29.019° | 2025-09-15 19:58:43.451Z | 71.397° E |
| 12 mins | 2025-09-15 21:39:43.451Z | 246.021° WSW | 2025-09-15 21:44:43.451Z | 312.925° NW | 43.808° | 2025-09-15 21:51:43.451Z | 54.372° ENE |
| 12 mins | 2025-09-15 23:32:43.451Z | 287.76° WNW | 2025-09-15 23:37:43.451Z | 341.578° N | 31.743° | 2025-09-15 23:44:43.451Z | 58.59° ENE |
| 11 mins | 2025-09-16 01:26:43.451Z | 309.787° NW | 2025-09-16 01:31:43.451Z | 9.006° NNE | 33.918° | 2025-09-16 01:37:43.451Z | 81.518° E |
| 12 mins | 2025-09-16 03:19:43.451Z | 303.45° NW | 2025-09-16 03:24:43.451Z | 280.267° WNW | 44.825° | 2025-09-16 03:31:43.451Z | 127.674° SE |
| 9 mins | 2025-09-16 05:12:43.451Z | 273.6° WNW | 2025-09-16 05:16:43.451Z | 232.148° WSW | 21.752° | 2025-09-16 05:21:43.451Z | 184.547° 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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