(4218) Demottoni Main-belt Asteroid
Discovered on 16 January 1988 by H. Debehogne at La Silla.
Where Demottoni is today
Seen from above the solar system on 2026-10-14: Demottoni is 2.24 au from the Sun and 1.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4218 |
| Provisional designation | 1988 BK3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.16 km (#12,360 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.332 |
| Absolute magnitude (H) | 13.86 |
| Orbital period | 3.37 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.92 – 2.57 au |
| Eccentricity | 0.145 |
| Inclination | 4.90° |
| Closest distance between its orbit and Earth's (MOID) | 0.912 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 January 1988
- (4100) Sumiko
- (4156) Okadanoboru
- (4634) Shibuya
- (4703) Kagoshima
- (5348) Kennoguchi
- (5468) Hamatonbetsu
- (10731) Dollyparton