(72543) Simonemarchi Main-belt Asteroid
Discovered on 26 February 2001 by Asiago-DLR Asteroid Survey at Cima Ekar.
Simone Marchi (b. 1973) is an active researcher in solar system sciences, in particular the observational and theoretical modeling of minor planets, satellites of the outer planets and meteoroid impacts on Mercury. He is also fond of sundials and engaged in the popularization of astronomy.Naming citation (WGSBN Bull. 3, #12, 8), IAU / Minor Planet Center, via NASA/JPL
Where Simonemarchi is today
Seen from above the solar system on 2026-10-14: Simonemarchi is 2.53 au from the Sun and 3.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 72543 |
| Provisional designation | 2001 DN106 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.19 km (#16,799 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.405 |
| Absolute magnitude (H) | 15.61 |
| Orbital period | 4.13 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.39 – 2.76 au |
| Eccentricity | 0.0711 |
| Inclination | 10.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.41 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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