(96623) Leani Main-belt Asteroid
Discovered on 14 March 1999 by M. M. M. Santangelo at Monte Agliale.
Achille Leani (b. 1924) was one of the founders of the International Union of Amateur Astronomers. Formerly a teacher, he was also a council member of the Società Astronomica Italiana. He founded the Cremona and Soresina observatories, as well as the Gruppo Astrofili Cremonesi.Naming citation (20050919/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Leani is today
Seen from above the solar system on 2026-10-14: Leani is 2.61 au from the Sun and 2.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 96623 |
| Provisional designation | 1999 ET4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.03 |
| Orbital period | 3.58 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.03 – 2.65 au |
| Eccentricity | 0.133 |
| Inclination | 6.26° |
| Closest distance between its orbit and Earth's (MOID) | 1.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.