(11317) Hitoshi Main-belt Asteroid
Discovered on 10 October 1994 by Spacewatch at Kitt Peak.
Hitoshi Hasegawa (b. 1957) is a computer programmer and an amateur planetary scientist specializing on the atmospheres of the gas giants and on the small bodies in the solar system. In addition to his theoretical studies, he often uses the instruments at the National Astronomical Observatory of Japan.Naming citation (WGSBN Bull. 2, #16, 4), IAU / Minor Planet Center, via NASA/JPL
Where Hitoshi is today
Seen from above the solar system on 2026-10-14: Hitoshi is 2.97 au from the Sun and 3.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11317 |
| Provisional designation | 1994 TX12 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.23 km (#6,370 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.104 |
| Absolute magnitude (H) | 13.71 |
| Orbital period | 5.60 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.55 – 3.75 au |
| Eccentricity | 0.191 |
| Inclination | 0.784° |
| Closest distance between its orbit and Earth's (MOID) | 1.54 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.