(7415) Susumuimoto Main-belt Asteroid
Discovered on 14 November 1990 by T. Seki at Geisei.
Susumu Imoto (1901-1981) studied the history of astronomy and old Japanese calendars. With I. Hasegawa, he compiled a catalogue of meteor showers and lent support to the world calendar proposed by E. Achelis.Naming citation (20000124/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Susumuimoto is today
Seen from above the solar system on 2026-10-14: Susumuimoto is 3.64 au from the Sun and 4.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7415 |
| Provisional designation | 1990 VL8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.0 km (#3,724 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0870 |
| Rotation period | 11.7 hours |
| Absolute magnitude (H) | 13.11 |
| Orbital period | 5.66 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 2.66 – 3.70 au |
| Eccentricity | 0.164 |
| Inclination | 2.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.65 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