(9743) Tohru Main-belt Asteroid
Discovered on 8 April 1988 by E. F. Helin at Palomar.
Tohru Takahashi (b. 1959) is a professor of information optics at the Oita National College of Technology. His research interest includes adaptive optics. As an amateur astronomer, he has led the Astronomical Society of Oita since its foundation. The name was suggested by Y. Yamada.Naming citation (20120406/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tohru is today
Seen from above the solar system on 2026-10-14: Tohru is 2.22 au from the Sun and 2.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9743 |
| Provisional designation | 1988 GD |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.67 km (#11,304 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.295 |
| Absolute magnitude (H) | 14.05 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.18 – 2.68 au |
| Eccentricity | 0.102 |
| Inclination | 5.22° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.