(43993) Mariola Main-belt Asteroid
Discovered on 26 July 1997 by Sicoli, P., Testa, A. at Sormano.
Mariola Magnoni Tieghi (b. 1934), former president of Como Inner Wheel Club, promoted with strength and devotion the values of quality of life in every social and cultural environment.Naming citation (20040504/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Mariola is today
Seen from above the solar system on 2026-10-14: Mariola is 3.35 au from the Sun and 3.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 43993 |
| Provisional designation | 1997 OK |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.00 km (#7,658 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0900 |
| Rotation period | 5.47 hours |
| Absolute magnitude (H) | 14.4 |
| Orbital period | 4.51 years |
| Semi-major axis | 2.73 au |
| Perihelion – aphelion | 2.09 – 3.37 au |
| Eccentricity | 0.236 |
| Inclination | 11.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.