(11977) Leonrisoldi Main-belt Asteroid
Discovered on 19 July 1995 by Stroncone at Stroncone.
Leon Risoldi (b. 2009) is the first grandson of one of the discoverers at Santa Lucia observatory. He is named after the king of animals, symbol of strength and nobility.Naming citation (MPC batch dated 2013-07-22), IAU / Minor Planet Center, via NASA/JPL
Where Leonrisoldi is today
Seen from above the solar system on 2026-10-14: Leonrisoldi is 2.52 au from the Sun and 3.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11977 |
| Provisional designation | 1995 OA |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.65 km (#8,062 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.145 |
| Rotation period | 7.79 hours |
| Absolute magnitude (H) | 13.95 |
| Orbital period | 3.55 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 2.13 – 2.53 au |
| Eccentricity | 0.0858 |
| Inclination | 6.15° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Leon
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- (7829) Jaroff
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- (20524) Bustersikes
- (23457) Beiderbecke
- (26908) Lebesgue
- (27932) Leonyao
- (29464) Leonmis
- (78221) Leonmow
- (85185) Lederman
- (159351) Leonpascal
- (395231) Leonscott
All asteroids named after someone called Leon