(8731) Tejima Main-belt Asteroid
Discovered on 19 November 1996 by T. Kobayashi at Oizumi.
During the 1870s Seiichi Tejima (1849-1918) contributed to the development of the Educational Museum (now the National Science Museum of Japan). He advocated the importance of technological education. He was also a founder of the Vocational School for Girls (now Kyoritsu Women's University).Naming citation (20071124/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tejima is today
Seen from above the solar system on 2026-10-14: Tejima is 2.47 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8731 |
| Provisional designation | 1996 WY |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.11 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.03 – 2.59 au |
| Eccentricity | 0.123 |
| Inclination | 7.31° |
| Closest distance between its orbit and Earth's (MOID) | 1.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Seiichi
All asteroids named after someone called Seiichi