(18542) Broglio Main-belt Asteroid
Discovered on 29 December 1996 by Testa, A., Manca, F. at Sormano.
Luigi Broglio (1911–2001), aeronautical engineer and dean of the aerospace engineering school of the University of Rome “La Sapienza”, conceived and directed the San Marco Project, a cooperative space initiative between Italy and the U.S. The Italian space launch facility San Marco was also completed under his direction.Naming citation (WGSBN Bull. 4, #13, 4), IAU / Minor Planet Center, via NASA/JPL
Where Broglio is today
Seen from above the solar system on 2026-10-14: Broglio is 2.68 au from the Sun and 2.90 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18542 |
| Provisional designation | 1996 YP3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.52 km (#11,578 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.286 |
| Absolute magnitude (H) | 14.03 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.42 – 2.74 au |
| Eccentricity | 0.0624 |
| Inclination | 15.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.41 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Luigi
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- (27988) Menabrea
- (32931) Ferioli
- (32944) Gussalli
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All asteroids named after someone called Luigi