(8255) Masiero Main-belt Asteroid
Discovered on 2 March 1981 by S. J. Bus at Siding Spring.
Joseph Masiero (b. 1982) is a Postdoctoral Fellow at the Jet Propulsion Laboratory in California. His 2009 Ph.D. thesis at the University of Hawaii investigated asteroid polarization. Currently he is processing and analyzing minor-planet measurements by the Wide-field Infrared Survey Explorer satellite.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Masiero is today
Seen from above the solar system on 2026-10-14: Masiero is 2.59 au from the Sun and 2.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8255 |
| Provisional designation | 1981 EZ18 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.12 |
| Orbital period | 4.41 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.56 – 2.82 au |
| Eccentricity | 0.0475 |
| Inclination | 1.63° |
| Closest distance between its orbit and Earth's (MOID) | 1.55 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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