(11145) Emanuelli Main-belt Asteroid
Discovered on 29 August 1997 by Sicoli, P., Chiavenna, P. at Sormano.
Pio Emanuelli (1888-1946) begun his astronomical career by working for many years at the Vatican Observatory and teaching astronomy and history of astronomy at Rome University. He was also a scientific journalist and well-known popularizer of astronomy.Naming citation (20041126/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Emanuelli is today
Seen from above the solar system on 2026-10-14: Emanuelli is 1.92 au from the Sun and 2.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11145 |
| Provisional designation | 1997 QH1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.69 km (#11,244 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.228 |
| Rotation period | 12.8 hours |
| Absolute magnitude (H) | 13.9 |
| Orbital period | 3.28 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.89 – 2.52 au |
| Eccentricity | 0.141 |
| Inclination | 5.12° |
| Closest distance between its orbit and Earth's (MOID) | 0.878 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.