(11593) Uchikawa Main-belt Asteroid
Discovered on 20 April 1995 by Endate, K., Watanabe, K. at Kitami.
Yoshihisa Uchikawa (b. 1947) is one of the leading amateur astronomers from Saga prefecture and the Kyushu district. He was president of the Saga Astronomical Society from 1988 to 1998 and remains a scholar and popularizer of astronomy.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Uchikawa is today
Seen from above the solar system on 2026-10-14: Uchikawa is 2.41 au from the Sun and 1.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11593 |
| Provisional designation | 1995 HK |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.32 |
| Orbital period | 3.30 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 2.01 – 2.42 au |
| Eccentricity | 0.0940 |
| Inclination | 2.59° |
| Closest distance between its orbit and Earth's (MOID) | 1.00 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.