(100445) Pisa Main-belt Asteroid
Discovered on 12 September 1996 by V. S. Casulli at Colleverde.
Pisa is an Italian city and the home of the Piazza del Duomo, or Piazza dei Miracoli, which was declared a World Heritage Site in 1987. Within the site are a cathedral, built between 1063 and 1118, and the Leaning Tower, from the 12th century.Naming citation (WGSBN Bull. 1, #11, 8), IAU / Minor Planet Center, via NASA/JPL
Where Pisa is today
Seen from above the solar system on 2026-10-14: Pisa is 2.61 au from the Sun and 3.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 100445 |
| Provisional designation | 1996 RA4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.69 |
| Orbital period | 3.19 years |
| Semi-major axis | 2.17 au |
| Perihelion – aphelion | 1.72 – 2.62 au |
| Eccentricity | 0.207 |
| Inclination | 5.21° |
| Closest distance between its orbit and Earth's (MOID) | 0.711 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.