(16273) Oneill Main-belt Asteroid
Discovered on 6 May 2000 by LINEAR at Socorro.
Named in honor of Barbara O'Neill for mentoring a finalist in the 2002 Intel Science Talent Search, a science competition for high school seniors. O'Neill is a teacher at the Mount Ararat School, Topsham, Maine.Naming citation (20020227/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Oneill is today
Seen from above the solar system on 2026-10-14: Oneill is 2.39 au from the Sun and 2.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16273 |
| Provisional designation | 2000 JS56 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.81 km (#11,001 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.133 |
| Absolute magnitude (H) | 14.29 |
| Orbital period | 3.48 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 2.17 – 2.43 au |
| Eccentricity | 0.0573 |
| Inclination | 4.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Barbara
- (6176) Horrigan
- (6816) Barbcohen
- (7294) Barbaraakey
- (10978) Barbchen
- (13312) Orlowitz
- (14291) Savereide
- (15056) Barbaradixon
- (16102) Barshannon
- (19982) Barbaradoore
- (20555) Jennings
- (23055) Barbjewett
- (24065) Barbfriedman
All asteroids named after someone called Barbara
Also discovered on 6 May 2000
- (15634) Ahluwalia
- (16258) Willhayes
- (16259) Housinger
- (16271) Duanenichols
- (16274) Pavlica
- (16275) Charlesma
- (17260) Kusnirak
- (17265) Debennett
- (18086) Emilykraft
- (18087) Yamanaka
- (18090) Kevinkuo
- (18091) Iranmanesh