(29420) Ikuo Main-belt Asteroid
Discovered on 9 January 1997 by N. Sato at Chichibu.
Ikuo Sato (1935-1999) was the discoverer's brother.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ikuo is today
Seen from above the solar system on 2026-10-14: Ikuo is 3.20 au from the Sun and 3.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 29420 |
| Provisional designation | 1997 AT18 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.8 km (#4,177 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0730 |
| Absolute magnitude (H) | 13.43 |
| Orbital period | 5.49 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 3.02 – 3.21 au |
| Eccentricity | 0.0304 |
| Inclination | 9.26° |
| Closest distance between its orbit and Earth's (MOID) | 2.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 9 January 1997
- (8736) Shigehisa
- (9108) Toruyusa
- (9109) Yukomotizuki
- (12028) Annekinney
- (12469) Katsuura
- (18550) Maoyisheng
- (31087) Oirase
- (39741) Komm