(31418) Sosaoyarzabal Main-belt Asteroid
Discovered on 14 January 1999 by LONEOS at Anderson Mesa.
Andrea Sosa Oyarzabal (b. 1968) is a Professor of the Centro Universitario Regional del Este at the Universidad de la Republica de Uruguay. She specializes in the study of the dynamical and physical properties of the minor bodies of the Solar System.Naming citation (WGSBN Bull. 1, #2, 15), IAU / Minor Planet Center, via NASA/JPL
Where Sosaoyarzabal is today
Seen from above the solar system on 2026-10-14: Sosaoyarzabal is 2.22 au from the Sun and 3.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31418 |
| Provisional designation | 1999 AJ34 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.30 km (#16,602 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.175 |
| Absolute magnitude (H) | 15.21 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 2.04 – 2.44 au |
| Eccentricity | 0.0887 |
| Inclination | 4.12° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Andrea
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- (13607) Vicars
- (15583) Hanick
- (17830) Andreajurgens
- (19397) Lagarini
- (20157) Andreaharrington
- (20490) Longobardo
- (21891) Andreabocelli
- (22021) Andreariley
- (26356) Aventini
- (26575) Andreapugh
- (27130) Dipaola
All asteroids named after someone called Andrea
Also discovered on 14 January 1999
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- (15468) Mondriaan
- (27169) Annelabruzzo
- (28245) Cruise
- (29722) Chrisgraham
- (29728) Averbeck
- (31414) Rotarysusa
- (56088) Wuheng
- (121008) Michellecrigger