(12598) Sierra Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Elizabeth Sierra (b. 1985) is a finalist in the 2002 Intel International Science and Engineering Fair for her biochemistry project. She attends the Alhambra High School, Alhambra, California, U.S.A.Naming citation (20020724/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Sierra as a baby name🐶 Sierra as a dog name🐱 Sierra as a cat name
Where Sierra is today
Seen from above the solar system on 2026-10-14: Sierra is 2.93 au from the Sun and 2.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12598 |
| Provisional designation | 1999 RC159 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.74 km (#11,148 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.217 |
| Absolute magnitude (H) | 14.36 |
| Orbital period | 4.53 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.54 – 2.94 au |
| Eccentricity | 0.0738 |
| Inclination | 9.47° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 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
- (12997) Lizjensen
- (15118) Elizabethsears
- (15543) Elizateel
- (15566) Elizabethbaker
- (16192) Laird
- (16962) Elizawoolard
- (18785) Betsywelsh
- (19023) Varela
- (19603) Monier
All asteroids named after someone called Elizabeth
Also discovered on 9 September 1999
- (12127) Mamiya
- (12130) Mousa
- (12589) Davidanand
- (12590) Ballantine
- (12591) Bergey
- (12592) Brianchen
- (12593) Shashlov
- (12594) Sidorclare
- (12595) Amandashaw
- (12596) Shukla
- (12597) Williamdaniel
- (12599) Singhal