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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
41339 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
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, 0.5 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 26262.50477154 .00003304 00000-0 14785-3 0 9999
2 41339 31.0043 73.9355 0008878 308.6450 51.3396 15.19227655582557Epoch: 2026-09-19T12:06Z
TLE epoch observation values (Epoch: 2026-09-19T12:06:52.261Z)
Latitude
0.00001°
Longitude
-106.19459°
Altitude
502.862 km
Speed
7.617 km/s
True Right ascension
04h 55m 44s
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
12:46:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
518.147 km
Perigee altitude
505.912 km
Semi-major axis
6,890.167 km
Eccentricity
0.00089
Inclination
31.0043°
RAAN
73.9355°
Arg. of periapsis
308.645°
True anomaly
51.4191°
Mean anomaly
51.3396°
Eccentric anomaly
51.37934°
Mean motion
3.79488 °/min
Orbital period
94.86 mins
BSTAR
0.00014785
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #12 in the year 2016 (2016-02-17 UTC)
Did you know?
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
Loading observer location...
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 | 2026-09-20 16:49:48.023Z | 212.294° SW | 2026-09-20 16:51:48.023Z | 172.664° S | 21.508° | 2026-09-20 16:53:48.023Z | 135.025° SSE |
| 4 mins | 2026-09-20 18:29:48.023Z | 220.759° SW | 2026-09-20 18:31:48.023Z | 181.969° SSW | 19.341° | 2026-09-20 18:33:48.023Z | 148.16° 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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
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 |
|---|