(90288) Dalleave Main-belt Asteroid
Discovered on 6 March 2003 by Asiago-DLR Asteroid Survey at Cima Ekar.
Sergio Dalle Ave (b. 1955), technician and night assistant at the Asiago Astrophysical Observatory since 1982, is an expert in graphics and in the enhancement of photographic plates. He contributed to the ADAS project by acquiring and storing data with the Schmidt telescope in Asiago.Naming citation (20070106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Dalleave is today
Seen from above the solar system on 2026-10-14: Dalleave is 3.13 au from the Sun and 2.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 90288 |
| Provisional designation | 2003 ET17 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.25 km (#7,366 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0400 |
| Absolute magnitude (H) | 15.01 |
| Orbital period | 5.42 years |
| Semi-major axis | 3.08 au |
| Perihelion – aphelion | 2.60 – 3.57 au |
| Eccentricity | 0.156 |
| Inclination | 9.51° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sergio
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- (21192) Seccisergio
- (23755) Sergiolozano
- (91428) Cortesi
- (101493) Sergiofoparri
- (172430) Sergiofonti
- (868690) Fajardo-Acosta
All asteroids named after someone called Sergio