(170909) Bobmasterson Main-belt Asteroid
Discovered on 12 December 2004 by Glinos, T., Levy, D. H. at Vail-Jarnac.
Bob Masterson (b. 1951) is an accomplished amateur astronomer and astrophotographer. Masterson gives master lectures in making high quality photographs of distant galaxies using simple telescopes from his observatories in Long Island, Arizona, and at the Adirondack Astronomy Retreat in New York.Naming citation (MPC batch dated 2016-02-22), IAU / Minor Planet Center, via NASA/JPL
Where Bobmasterson is today
Seen from above the solar system on 2026-10-14: Bobmasterson is 2.41 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 170909 |
| Provisional designation | 2004 XW62 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.0 |
| Orbital period | 3.41 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 2.13 – 2.41 au |
| Eccentricity | 0.0620 |
| Inclination | 5.66° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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