(18855) Sarahgutman Main-belt Asteroid
Discovered on 9 September 1999 by LINEAR at Socorro.
Sarah Elizabeth Gutman (b. 1986) was awarded third place in the 2003 Intel International Science and Engineering Fair for her medicine and health project. She attends the Mount de Chantal Visitation Academy, Wheeling, West Virginia, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sarahgutman is today
Seen from above the solar system on 2026-10-14: Sarahgutman is 2.43 au from the Sun and 1.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18855 |
| Provisional designation | 1999 RQ112 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.54 km (#13,854 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.245 |
| Absolute magnitude (H) | 14.72 |
| Orbital period | 3.80 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.00 – 2.86 au |
| Eccentricity | 0.176 |
| Inclination | 4.52° |
| Closest distance between its orbit and Earth's (MOID) | 0.993 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sarah
- (8796) Sonnett
- (10485) Sarahyeomans
- (12519) Pullen
- (13403) Sarahmousa
- (17094) Sarahsyed
- (18021) Waldman
- (18768) Sarahbates
- (18954) Sarahbounds
- (19584) Sarahgerin
- (20700) Saraheanderson
- (20768) Langberg
- (21927) Sarahpierz
All asteroids named after someone called Sarah
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
- (12598) Sierra