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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Edit Public Description
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: 8 hours ago
TLE from 8 hours ago
0 CHUBUSAT 3
1 41339U 16012C 25357.27744786 .00005363 00000-0 26231-3 0 9991
2 41339 31.0065 39.6320 0009207 78.3190 281.8483 15.16591340541454Epoch: 2025-12-23T06:39Z
TLE epoch observation values (Epoch: 2025-12-23T06:39:31.495Z)
Latitude
0.00001°
Longitude
-152.31272°
Altitude
513.36 km
Speed
7.61 km/s
True Right ascension
02h 38m 31s
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
14:02:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
526.354 km
Perigee altitude
513.652 km
Semi-major axis
6,898.14 km
Eccentricity
0.00092
Inclination
31.0065°
RAAN
39.632°
Arg. of periapsis
78.319°
True anomaly
281.74502°
Mean anomaly
281.8483°
Eccentric anomaly
281.79666°
Mean motion
3.78831 °/min
Orbital period
95.03 mins
BSTAR
0.00026231
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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 | 2025-12-24 08:15:40.172Z | 209.329° SW | 2025-12-24 08:17:40.172Z | 169.521° S | 19.446° | 2025-12-24 08:19:40.172Z | 133.343° SE |
| 4 mins | 2025-12-24 09:55:40.172Z | 221.095° SW | 2025-12-24 09:57:40.172Z | 182.307° SSW | 18.38° | 2025-12-24 09:59:40.172Z | 147.753° 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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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 descending order |
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