(21460) Ryozo Main-belt Asteroid
Discovered on 30 April 1998 by T. Okuni at Nanyo.
Ryozo Suzuki (b. 1928) is an amateur astronomer and a manufacturer of high-end binoculars for amateur astronomers.Naming citation (20040504/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ryozo is today
Seen from above the solar system on 2026-10-14: Ryozo is 2.19 au from the Sun and 1.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21460 |
| Provisional designation | 1998 HP52 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.27 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.81 – 2.75 au |
| Eccentricity | 0.205 |
| Inclination | 2.27° |
| Closest distance between its orbit and Earth's (MOID) | 0.801 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 30 April 1998
- (9127) Brucekoehn
- (9128) Takatumuzi
- (12515) Suiseki
- (12517) Grayzeck
- (13235) Isiguroyuki
- (19470) Wenpingchen
- (21459) Chrisrussell
- (22577) Alfiuccio
- (23727) Akihasan