(66479) Healy Main-belt Asteroid
Discovered on 4 September 1999 by Collins, M., White, M. at Anza.
David Healy (b. 1936) established Junk Bond Observatory in Arizona primarily for visual work and recoveries of minor planets. While engaged in this valuable work, JBO has been the site of over 60 new discoveries. A pioneering astrophotographer, Healy was an original contributor to Burnham's Celestial Handbook.Naming citation (20060219/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Healy as a baby name🐶 Healy as a dog name
Where Healy is today
Seen from above the solar system on 2026-10-14: Healy is 2.15 au from the Sun and 1.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 66479 |
| Provisional designation | 1999 RQ33 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.62 km (#9,547 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.107 |
| Absolute magnitude (H) | 14.65 |
| Orbital period | 4.41 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.10 – 3.28 au |
| Eccentricity | 0.220 |
| Inclination | 8.06° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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