(23589) Silvmellini Main-belt Asteroid
Discovered on 23 October 1995 by Tesi, L., Boattini, A. at San Marcello.
Silvestro Mellini (b. 1957) was an Italian merchant ship captain who sailed the seas and oceans of the world. He is a passionate and knowledgeable amateur astronomer. Since retiring from seafaring, Silvestro has devoted himself to popularizing astronomy in schools and village squares on Elba, where he lives.Naming citation (WGSBN Bull. 6, #12, 7), IAU / Minor Planet Center, via NASA/JPL
Where Silvmellini is today
Seen from above the solar system on 2026-10-14: Silvmellini is 2.34 au from the Sun and 3.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23589 |
| Provisional designation | 1995 UR6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.61 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.08 – 2.65 au |
| Eccentricity | 0.120 |
| Inclination | 5.24° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.