(30090) Grossano Main-belt Asteroid
Discovered on 11 March 2000 by LONEOS at Anderson Mesa.
Geoffrey Louis Rossano (1949–2021) was a distinguished American historian and polymath with eclectic talents and wide-ranging historical interests. The author of six prize-winning books and many articles, he was a brilliant teacher at Salisbury School who transformed reluctant teenaged boys into historians.Naming citation (WGSBN Bull. 1, #13, 8), IAU / Minor Planet Center, via NASA/JPL
Where Grossano is today
Seen from above the solar system on 2026-10-14: Grossano is 2.15 au from the Sun and 1.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 30090 |
| Provisional designation | 2000 EL129 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.39 km (#9,903 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0730 |
| Absolute magnitude (H) | 14.96 |
| Orbital period | 4.15 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.10 – 3.07 au |
| Eccentricity | 0.187 |
| Inclination | 3.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Geoffrey
- (4209) Briggs
- (10289) Geoffperry
- (11753) Geoffburbidge
- (13018) Geoffjames
- (21714) Geoffreywoo
- (38431) Jeffbeck
- (132904) Notkin
- (160215) Haines-Stiles
All asteroids named after someone called Geoffrey
Also discovered on 11 March 2000
- (15146) Halpov
- (15147) Siegfried
- (16231) Jessberger
- (17241) Wooden
- (17242) Leslieyoung
- (25851) Browning
- (26587) Arthurstorbo
- (26588) Sharonstorbo
- (27399) Gehring
- (27400) Mikewong
- (27407) Haodo
- (27408) Kellyferguson