(27958) Giussano Main-belt Asteroid
Discovered on 9 September 1997 by V. Giuliani at Sormano.
Giussano, a town in the heart of Brianza, is famous for its furniture design companies. Among the town's historical monuments and villas is the Villa Sartirana, recently renovated. Home to the local library, this villa hosts in its decorated halls cultural events, including some aimed at astronomical popularization.Naming citation (20100726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Giussano is today
Seen from above the solar system on 2026-10-14: Giussano is 2.86 au from the Sun and 3.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27958 |
| Provisional designation | 1997 RP9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.70 km (#15,850 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.319 |
| Rotation period | 7.43 hours |
| Absolute magnitude (H) | 15.16 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 1.92 – 2.94 au |
| Eccentricity | 0.209 |
| Inclination | 2.61° |
| Closest distance between its orbit and Earth's (MOID) | 0.925 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.