(73936) Takeyamamoto Main-belt Asteroid
Discovered on 24 September 1997 by Y. Ikari at Moriyama.
Takeshi Yamamoto (1932-2005) was a Japanese amateur astronomer who studied astronomy under Issei Yamamoto. He devoted himself to educating the general public about astronomy in the city of Moriyama.Naming citation (20080122/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Takeyamamoto is today
Seen from above the solar system on 2026-10-14: Takeyamamoto is 2.92 au from the Sun and 2.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 73936 |
| Provisional designation | 1997 SF4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.31 km (#6,299 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0590 |
| Absolute magnitude (H) | 14.32 |
| Orbital period | 5.69 years |
| Semi-major axis | 3.19 au |
| Perihelion – aphelion | 2.56 – 3.81 au |
| Eccentricity | 0.196 |
| Inclination | 9.62° |
| 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
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