(42929) Francini Main-belt Asteroid
Discovered on 8 October 1999 by Tesi, L., Forti, G. at San Marcello.
Claudio Francini (b. 1926) is an amateur astronomer passionately fond of imaging the sky and a collaborator at the San Marcello Observatory.Naming citation (20070730/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Francini is today
Seen from above the solar system on 2026-10-14: Francini is 2.77 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 42929 |
| Provisional designation | 1999 TW9 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 3.53 hours |
| Absolute magnitude (H) | 15.77 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.89 – 2.90 au |
| Eccentricity | 0.212 |
| Inclination | 1.88° |
| Closest distance between its orbit and Earth's (MOID) | 0.880 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Claudio
- (9560) Anguita
- (11264) Claudiomaccone
- (14062) Cremaschini
- (43956) Elidoro
- (82638) Bottariclaudio
- (379130) Lopresti
- (730495) Costafrancini
All asteroids named after someone called Claudio
Also discovered on 8 October 1999
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- (19707) Tokunai
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- (24068) Simonsen
- (66667) Kambic
- (129955) Eriksyrstad
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