(18785) Betsywelsh Main-belt Asteroid
Discovered on 10 May 1999 by LINEAR at Socorro.
Elizabeth Jean Welsh (b. 1987) was awarded third place in the 2003 Intel International Science and Engineering Fair for her environmental science project. She attends the Proctor High School, Proctor, Minnesota, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Betsywelsh is today
Seen from above the solar system on 2026-10-14: Betsywelsh is 2.53 au from the Sun and 3.39 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18785 |
| Provisional designation | 1999 JV48 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.39 km (#11,868 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.253 |
| Rotation period | 12.1 hours |
| Absolute magnitude (H) | 14.21 |
| Orbital period | 3.42 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.93 – 2.61 au |
| Eccentricity | 0.149 |
| Inclination | 4.06° |
| Closest distance between its orbit and Earth's (MOID) | 0.936 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Elizabeth
- (5134) Ebilson
- (6856) Bethemmons
- (11715) Harperclark
- (12598) Sierra
- (12997) Lizjensen
- (15118) Elizabethsears
- (15543) Elizateel
- (15566) Elizabethbaker
- (16192) Laird
- (16962) Elizawoolard
- (19023) Varela
- (19603) Monier
All asteroids named after someone called Elizabeth
Also discovered on 10 May 1999
- (11219) Benbohn
- (11225) Borden
- (11227) Ksenborisova
- (11228) Botnick
- (11229) Brookebowers
- (11230) Deschaffer
- (11231) Schiavo
- (11413) Catanach
- (11414) Allanchu
- (12117) Meagmessina
- (16048) Eddiedai
- (16049) D'Amore