(9427) Righini Main-belt Asteroid
Discovered on 14 February 1996 by Tombelli, M., Munari, U. at Cima Ekar.
Named in memory of Guglielmo Righini (1908–1978), Italian solar physicist. In 1934 he went to Utrecht to work with Minnaert. In 1953 he became full professor of astronomy at the University of Florence and director of the Arcetri Astrophysical Observatory, from which he retired in 1978. As a solar physicist he followed many total solar eclipses. With A. Deutsch he discovered the cold regions in the solar corona. He was one of the most active supporters of the Joint Organization for Solar Observations, and this resulted in a solar observatory built on the heights of Canary Islands. He has been president of the Italian Astronomical Society, a member of the scientific committee of the National Council of Researchers, president and vice-president of solar commissions in the IAU.Naming citation (WGSBN Bull. 4, #13, 4), IAU / Minor Planet Center, via NASA/JPL
Where Righini is today
Seen from above the solar system on 2026-10-14: Righini is 3.27 au from the Sun and 3.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9427 |
| Provisional designation | 1996 CV7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.42 km (#6,211 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.172 |
| Absolute magnitude (H) | 13.17 |
| Orbital period | 5.20 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.74 – 3.27 au |
| Eccentricity | 0.0886 |
| Inclination | 10.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.72 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 February 1996
- (7715) Leonidarosino
- (7847) Mattiaorsi
- (7900) Portule
- (9425) Marconcini
- (9426) Aliante
- (9897) Malerba
- (10175) Aenona
- (10176) Gaiavettori
- (12811) Rigonistern
- (12812) Cioni
- (12813) Paolapaolini
- (13174) Timossi