(20058) Bundalian Main-belt Asteroid
Discovered on 20 July 1993 by E. W. Elst at La Silla.
Ester Inocencio Bundalian (b. 1939) is an experienced Philippine eclipse chaser, having observed the total solar eclipses in 1955 and 1988 in the Philippines and in 2017 and 2024 in the U.S. She is the mother of astronomy journalist, editor and astrophotographer Imelda B. Joson.Naming citation (WGSBN Bull. 4, #11, 17), IAU / Minor Planet Center, via NASA/JPL
Where Bundalian is today
Seen from above the solar system on 2026-10-14: Bundalian is 2.84 au from the Sun and 1.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20058 |
| Provisional designation | 1993 OM8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.6 km (#4,259 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0470 |
| Rotation period | 5.22 hours |
| Absolute magnitude (H) | 13.94 |
| Orbital period | 5.34 years |
| Semi-major axis | 3.06 au |
| Perihelion – aphelion | 2.67 – 3.44 au |
| Eccentricity | 0.125 |
| Inclination | 1.91° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ester
All asteroids named after someone called Ester
Also discovered on 20 July 1993
- (6977) Jaucourt
- (7478) Hasse
- (8096) Emilezola
- (8190) Bouguer
- (8191) Mersenne
- (9376) Thionville
- (10136) Gauguin
- (11571) Daens
- (11943) Davidhartley
- (11944) Shaftesbury
- (12352) Jepejacobsen
- (12353) Marquez