(12903) Isabellekatz Main-belt Asteroid
Discovered on 14 September 1998 by LINEAR at Socorro.
Isabelle Sophia Katz (b. 2004) was a finalist in the 2019 Broadcom MASTERS, a math and science competition for middle-school students, for her physics project. She attended the Joaquin Moraga Intermediate School, Moraga, California.Naming citation (WGSBN Bull. 3, #1, 9), IAU / Minor Planet Center, via NASA/JPL
Where Isabellekatz is today
Seen from above the solar system on 2026-10-14: Isabellekatz is 2.86 au from the Sun and 3.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12903 |
| Provisional designation | 1998 RK57 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.37 hours |
| Absolute magnitude (H) | 14.16 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 1.96 – 2.90 au |
| Eccentricity | 0.194 |
| Inclination | 2.61° |
| Closest distance between its orbit and Earth's (MOID) | 0.943 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Isabelle
All asteroids named after someone called Isabelle
Also discovered on 14 September 1998
- (9810) Elanfiller
- (11190) Jennibell
- (12898) Mignard
- (12900) Rishabjain
- (12906) Alexismacavoy
- (12907) Giannanilvo
- (13301) Hofsteen
- (13302) Kezmoh
- (13303) Asmitakumar
- (13305) Danielang
- (13307) Taralarsen
- (13308) Melissamayne