(353409) Onaka Main-belt Asteroid
Discovered on 14 September 2002 by NEAT at Palomar.
Peter M. Onaka (b. 1961) is an American engineer and the Chief Engineer at the University of Hawaiʻi's Institute for Astronomy. He led the technical teams that designed and built the Gigapixel Cameras used on the two Pan-STARRS telescopes, generating surveys and research discoveries of NEOs, supernovae, variable stars, and other celestial objects.Naming citation (WGSBN Bull. 5, #14, 8), IAU / Minor Planet Center, via NASA/JPL
Where Onaka is today
Seen from above the solar system on 2026-10-14: Onaka is 3.05 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 353409 |
| Provisional designation | 2011 QW3 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.04 |
| Orbital period | 4.50 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.25 – 3.20 au |
| Eccentricity | 0.173 |
| Inclination | 8.09° |
| Closest distance between its orbit and Earth's (MOID) | 1.25 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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