(110743) Hirobumi Main-belt Asteroid
Discovered on 18 October 2001 by A. Nakamura at Kuma Kogen.
Hirobumi Ito (1841-1909), born in Yamaguchi prefecture, greatly contributed to the modernization of the Japanese political system. He studied politics in Europe and the U.S. and established a cabinet system of government. He became the first prime minister of Japan in 1885.Naming citation (20091202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hirobumi is today
Seen from above the solar system on 2026-10-14: Hirobumi is 2.47 au from the Sun and 1.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 110743 |
| Provisional designation | 2001 UQ1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.56 |
| Orbital period | 4.22 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.44 – 2.78 au |
| Eccentricity | 0.0640 |
| Inclination | 3.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.44 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.