(12515) Suiseki Main-belt Asteroid
Discovered on 30 April 1998 by Spacewatch at Kitt Peak.
Literally “Water-Stone” in Japanese, Suiseki is the Japanese art form of stone appreciation. Small, naturally shaped stones are collected and displayed for their beauty and power to suggest natural scenes or objects.Naming citation (20021120/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Suiseki is today
Seen from above the solar system on 2026-10-14: Suiseki is 2.47 au from the Sun and 1.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12515 |
| Provisional designation | 1998 HE43 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.88 km (#13,025 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.294 |
| Rotation period | 20.7 hours |
| Absolute magnitude (H) | 14.31 |
| Orbital period | 3.81 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.10 – 2.77 au |
| Eccentricity | 0.137 |
| Inclination | 4.95° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 30 April 1998
- (9127) Brucekoehn
- (9128) Takatumuzi
- (12517) Grayzeck
- (13235) Isiguroyuki
- (19470) Wenpingchen
- (21459) Chrisrussell
- (21460) Ryozo
- (22577) Alfiuccio
- (23727) Akihasan