CHUBUSAT 3, 41339
Orbit data source: Space-Track
CHUBUSAT 3, 41339 is a Japanese payload satellite 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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41339 intel report (Beta)
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Identifier
Orbit
Country
JP / JPNRelated business
Manufacturer
NAG/MHIME
Mission
Non-operational Amateur Imaging
Bus & Motor
Unknown
Mass
52 kg wet, 52 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.3 m
Radar Cross Section
0.480 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 CHUBUSAT 3
1 41339U 16012C 26172.54282304 .00004139 00000-0 18994-3 0 9997
2 41339 31.0056 302.4925 0009173 108.5612 251.6026 15.18589519568862Epoch: 2026-06-21T13:01Z
TLE epoch observation values (Epoch: 2026-06-21T13:01:39.910Z)
Latitude
0°
Longitude
-162.66538°
Altitude
510.606 km
Speed
7.61 km/s
True Right ascension
20h 09m 58s
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
21:35:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
520.279 km
Perigee altitude
507.635 km
Semi-major axis
6,892.094 km
Eccentricity
0.00092
Inclination
31.0056°
RAAN
302.4925°
Arg. of periapsis
108.5612°
True anomaly
251.50289°
Mean anomaly
251.6026°
Eccentric anomaly
251.55274°
Mean motion
3.79329 °/min
Orbital period
94.9 mins
BSTAR
0.00018994
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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.CHUBUSAT 3 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 12:57:46.407Z | 201.389° SSW | 2026-06-22 12:59:46.407Z | 168.973° S | 15.256° | 2026-06-22 13:01:46.407Z | 134.975° SE |
| 4 mins | 2026-06-22 14:37:46.407Z | 218.061° SW | 2026-06-22 14:39:46.407Z | 177.986° S | 20.237° | 2026-06-22 14:41:46.407Z | 139.548° SSE |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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