(18680) Weirather Main-belt Asteroid
Discovered on 31 March 1998 by LINEAR at Socorro.
Sara Jo Weirather (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for her botany project. She attends the Central Lee High School, Donnellson, Iowa, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Weirather is today
Seen from above the solar system on 2026-10-14: Weirather is 2.24 au from the Sun and 2.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18680 |
| Provisional designation | 1998 FS103 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.85 km (#15,551 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.344 |
| Absolute magnitude (H) | 14.76 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.19 – 2.54 au |
| Eccentricity | 0.0755 |
| Inclination | 6.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sara
- (9279) Seager
- (15609) Kosmaczewski
- (20355) Saraclark
- (28450) Saravolz
- (29681) Saramanshad
- (29895) Sarafaggi
- (30057) Sarasakowitz
- (33603) Saramason
- (33714) Sarakaufman
- (65091) Saramagrin
- (78125) Salimbeni
- (121469) Sarahaugh
All asteroids named after someone called Sara
Also discovered on 31 March 1998
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- (9459) Gracecai
- (11178) Emmajoy
- (11179) Ahmadperez
- (11180) Brentperlman
- (11697) Estrella
- (11698) Fichtelman
- (11701) Madeleineyang
- (11702) Mifischer
- (12506) Pariser
- (12508) Darcysloe
- (12509) Pathak