(20227) Bernardinelli Main-belt Asteroid
Discovered on 29 November 1997 by LINEAR at Socorro.
Pedro H. Bernardinelli (b. 1994) is a Brazilian astronomer at the University of São Paulo who studies distant objects in the outer Solar System: trans-Neptunian objects, comets, and interstellar objects. He co-discovered the largest then-known comet C/2014 UN271 along with dozens of trans-Neptunian objects using the Dark Energy Survey.Naming citation (WGSBN Bull. 6, #11, 11), IAU / Minor Planet Center, via NASA/JPL
Where Bernardinelli is today
Seen from above the solar system on 2026-10-14: Bernardinelli is 2.56 au from the Sun and 3.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20227 |
| Provisional designation | 1997 WS35 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.83 km (#9,176 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.272 |
| Absolute magnitude (H) | 13.47 |
| Orbital period | 4.00 years |
| Semi-major axis | 2.52 au |
| Perihelion – aphelion | 2.33 – 2.71 au |
| Eccentricity | 0.0750 |
| Inclination | 6.75° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Pedro
- (4443) Paulet
- (4617) Zadunaisky
- (10694) Lacerda
- (11265) Hasselmann
- (13082) Gutierrez
- (17041) Castagna
- (24048) Pedroduque
- (31648) Pedrosada
- (32599) Pedromachado
- (35623) Pedrodavid
- (249539) Pedrosevilla
- (554239) Montseypedro
All asteroids named after someone called Pedro