(9417) Jujiishii Main-belt Asteroid
Discovered on 17 November 1995 by T. Kobayashi at Oizumi.
Juji Ishii (1865-1914) was a Japanese doctor who devoted himself to the welfare of children. He established orphanages and helped thousands of orphans. In Japan he is called “Father of Child Welfare”.Naming citation (MPC batch dated 2015-03-05), IAU / Minor Planet Center, via NASA/JPL
Where Jujiishii is today
Seen from above the solar system on 2026-10-14: Jujiishii is 2.68 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9417 |
| Provisional designation | 1995 WU |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.54 km (#6,122 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0500 |
| Absolute magnitude (H) | 13.96 |
| Orbital period | 3.66 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 1.85 – 2.90 au |
| Eccentricity | 0.221 |
| Inclination | 5.68° |
| Closest distance between its orbit and Earth's (MOID) | 0.868 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 17 November 1995
More named asteroids discovered by T. Kobayashi
- (4807) Noboru
- (5924) Teruo
- (6275) Kiryu
- (6276) Kurohone
- (6346) Syukumeguri
- (6414) Mizunuma
- (6418) Hanamigahara
- (6420) Riheijyaya
- (6422) Akagi
- (6423) Harunasan
- (6462) Myougi
- (6531) Subashiri
← (9416) Miyahara · (9418) Mayumi →