(30211) Sheilah Main-belt Asteroid
Discovered on 7 April 2000 by LINEAR at Socorro.
Sheila Harrington mentored a finalist in the 2014 Broadcom MASTERS, a math and science competition for middle school students. She teaches at the Andover West Middle School, Andover, Massachusetts.Naming citation (MPC batch dated 2015-01-05), IAU / Minor Planet Center, via NASA/JPL
Where Sheilah is today
Seen from above the solar system on 2026-10-14: Sheilah is 2.34 au from the Sun and 3.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 30211 |
| Provisional designation | 2000 GN123 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.32 km (#14,423 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.271 |
| Absolute magnitude (H) | 14.57 |
| Orbital period | 3.40 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 1.97 – 2.55 au |
| Eccentricity | 0.130 |
| Inclination | 6.77° |
| Closest distance between its orbit and Earth's (MOID) | 0.985 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sheila
All asteroids named after someone called Sheila
Also discovered on 7 April 2000
- (15599) Richardlarson
- (15603) Kimyoonji
- (15604) Fruits
- (15608) Owens
- (15609) Kosmaczewski
- (15611) Leejoonyoung
- (15612) Parkmincheol
- (15614) Pillinger
- (16238) Chappe
- (16239) Dower
- (16241) Dvorsky
- (16242) Licato