(15418) Sergiospinelli Main-belt Asteroid
Discovered on 27 February 1998 by Forti, G., Tombelli, M. at Cima Ekar.
Sergio Spinelli (b. 1939) is a very active volunteer promoting both music and astronomy in Italy. He is a member of the Nardini Philharmonic Association and of the Gruppo Astrofili Montelupo.Naming citation (MPC batch dated 2015-07-02), IAU / Minor Planet Center, via NASA/JPL
Where Sergiospinelli is today
Seen from above the solar system on 2026-10-14: Sergiospinelli is 2.48 au from the Sun and 3.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15418 |
| Provisional designation | 1998 DU35 |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.5 km (#3,262 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0370 |
| Absolute magnitude (H) | 13.75 |
| Orbital period | 4.63 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.33 – 3.23 au |
| Eccentricity | 0.163 |
| Inclination | 9.45° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sergio
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- (91428) Cortesi
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- (172430) Sergiofonti
- (868690) Fajardo-Acosta
All asteroids named after someone called Sergio
Also discovered on 27 February 1998
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- (15006) Samcristoforetti
- (15417) Babylon
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- (18624) Prevert
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