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: 19 hours ago
TLE from 19 hours ago
0 CHUBUSAT 3
1 41339U 16012C 26123.76591258 .00005972 00000-0 27933-3 0 9997
2 41339 31.0052 261.3372 0009067 333.7214 26.2966 15.18199068561441Epoch: 2026-05-03T18:22Z
TLE epoch observation values (Epoch: 2026-05-03T18:22:54.846Z)
Latitude
-0.00002°
Longitude
123.94389°
Altitude
504.19 km
Speed
7.618 km/s
True Right ascension
17h 25m 20s
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
21:19:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
521.388 km
Perigee altitude
508.887 km
Semi-major axis
6,893.275 km
Eccentricity
0.00091
Inclination
31.0052°
RAAN
261.3372°
Arg. of periapsis
333.7214°
True anomaly
26.34268°
Mean anomaly
26.2966°
Eccentric anomaly
26.31963°
Mean motion
3.79232 °/min
Orbital period
94.93 mins
BSTAR
0.00027933
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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 | 2026-05-04 13:35:46.291Z | 199.723° SSW | 2026-05-04 13:37:46.291Z | 165.784° S | 15.816° | 2026-05-04 13:39:46.291Z | 132.491° SE |
| 4 mins | 2026-05-04 15:15:46.291Z | 216.185° SW | 2026-05-04 15:17:46.291Z | 174.907° S | 20.437° | 2026-05-04 15:19:46.291Z | 138.143° SSE |
| 4 mins | 2026-05-05 13:16:46.291Z | 196.06° SSW | 2026-05-05 13:18:46.291Z | 159.054° S | 16.363° | 2026-05-05 13:20:46.291Z | 127.747° SE |
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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