(12819) Susumutakahasi Main-belt Asteroid
Discovered on 12 May 1996 by McNaught, R. H., Ikari, Y. at Moriyama.
Susumu Takahasi (b. 1958), director of the Dynic Astronomical Observatory “Tenkyukan”, is ardent about astronomical education and a fine observer of variable stars.Naming citation (20091004/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Susumutakahasi is today
Seen from above the solar system on 2026-10-14: Susumutakahasi is 3.24 au from the Sun and 2.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12819 |
| Provisional designation | 1996 JO |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.3 km (#4,910 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.137 |
| Absolute magnitude (H) | 13.04 |
| Orbital period | 5.52 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 3.00 – 3.25 au |
| Eccentricity | 0.0401 |
| Inclination | 7.33° |
| Closest distance between its orbit and Earth's (MOID) | 1.99 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Susumu
All asteroids named after someone called Susumu