(22603) Davidoconnor Main-belt Asteroid
Discovered on 19 April 1998 by LINEAR at Socorro.
David O'Connor mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Paul D. Schreiber High School, Port Washington, New York.Naming citation (20060314/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Davidoconnor is today
Seen from above the solar system on 2026-10-14: Davidoconnor is 2.80 au from the Sun and 1.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22603 |
| Provisional designation | 1998 HK133 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.46 km (#14,063 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.307 |
| Rotation period | 3.11 hours |
| Absolute magnitude (H) | 14.61 |
| Orbital period | 4.35 years |
| Semi-major axis | 2.67 au |
| Perihelion – aphelion | 2.52 – 2.81 au |
| Eccentricity | 0.0546 |
| Inclination | 4.57° |
| Closest distance between its orbit and Earth's (MOID) | 1.51 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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