(10405) Yoshiaki Main-belt Asteroid
Discovered on 19 November 1997 by T. Okuni at Nanyo.
Yoshiaki Mogami (1546-1614) was a military commander during the Japanese feudal period. He was on the side of the Tokugawas, and in the decisive battle of 1600 he fought against Kanetugu Naoe, the lord of Yonesawa (a part of the present Yamagata prefecture), who stood by the Toyotomis.Naming citation (20001013/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yoshiaki is today
Seen from above the solar system on 2026-10-14: Yoshiaki is 2.21 au from the Sun and 2.67 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10405 |
| Provisional designation | 1997 WT23 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.96 |
| Orbital period | 3.74 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 1.94 – 2.87 au |
| Eccentricity | 0.193 |
| Inclination | 1.50° |
| Closest distance between its orbit and Earth's (MOID) | 0.936 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.