(46720) Pierostroppa Main-belt Asteroid
Discovered on 13 August 1997 by Tesi, L., Boattini, A. at San Marcello.
Piero Stroppa (b. 1956) has worked for the Italian magazine of astronomy and space science Nuovo Orione since 1992. A high-school physics teacher, he has written many papers and books on popular astronomy and scientific didactics.Naming citation (20060413/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pierostroppa is today
Seen from above the solar system on 2026-10-14: Pierostroppa is 3.64 au from the Sun and 4.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 46720 |
| Provisional designation | 1997 PO4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.6 |
| Orbital period | 5.18 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.15 – 3.83 au |
| Eccentricity | 0.281 |
| Inclination | 3.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Piero
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All asteroids named after someone called Piero