(39686) Takeshihara Main-belt Asteroid
Discovered on 9 August 1996 by T. Okuni at Nanyo.
Takeshi Hara (b. 1981) became a member of the Yamagata Astronomical Society in 2009 and actively popularizes astronomy.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Takeshihara is today
Seen from above the solar system on 2026-10-14: Takeshihara is 2.96 au from the Sun and 3.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 39686 |
| Provisional designation | 1996 PT9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.2 km (#5,010 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Absolute magnitude (H) | 14.18 |
| Orbital period | 4.68 years |
| Semi-major axis | 2.80 au |
| Perihelion – aphelion | 2.56 – 3.03 au |
| Eccentricity | 0.0850 |
| Inclination | 3.92° |
| Closest distance between its orbit and Earth's (MOID) | 1.56 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Takeshi
- (8912) Ohshimatake
- (10616) Inouetakeshi
- (10821) Kimuratakeshi
- (23448) Yasudatakeshi
- (73936) Takeyamamoto
All asteroids named after someone called Takeshi