HORYU 4, 41340
Orbit data source: Space-Track
HORYU 4, 41340 is a payload satellite owned by Kyutech (JP) in LEO that was launched on Wed, 17 Feb 2016 UTC via an H-IIA 202 launch vehicle from the Tanegashima Space Center (TNSTA). 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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41340 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
JP / JPNRelated business
Manufacturer
Kyutech
Mission
Operational Amateur Technology
Bus & Motor
HORYU, Unknown motor
Mass
10 kg wet, 10 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.2 m
Radar Cross Section
0.290 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 HORYU 4
1 41340U 16012D 25307.10201157 .00042336 00000-0 83105-3 0 9994
2 41340 30.9945 221.1893 0004042 190.6937 169.3626 15.46060942535402Epoch: 2025-11-03T02:26Z
TLE epoch observation values (Epoch: 2025-11-03T02:26:53.799Z)
Latitude
0.00001°
Longitude
141.85694°
Altitude
429.451 km
Speed
7.655 km/s
True Right ascension
14h 44m 45s
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
02:37:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
434.918 km
Perigee altitude
429.412 km
Semi-major axis
6,810.302 km
Eccentricity
0.0004
Inclination
30.9945°
RAAN
221.1893°
Arg. of periapsis
190.6937°
True anomaly
169.37115°
Mean anomaly
169.3626°
Eccentric anomaly
169.36687°
Mean motion
3.86183 °/min
Orbital period
93.22 mins
BSTAR
0.00083105
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Other satellites on launch #12 in the year 2016 (2016-02-17 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.HORYU 4 Visibility
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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. |
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| HORYU 4 is likely not visible in the next few days. |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
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