(25673) Di Mascio Main-belt Asteroid
Discovered on 5 January 2000 by LINEAR at Socorro.
Michael Vincent Di Mascio (b. 1992) was awarded second place in the 2009 Intel International Science and Engineering Fair for his physics project. He attends the Waynesville High School, Waynesville, Ohio, U.S.A.Naming citation (20100428/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Di Mascio is today
Seen from above the solar system on 2026-10-14: Di Mascio is 2.91 au from the Sun and 3.63 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25673 |
| Provisional designation | 2000 AJ99 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.21 km (#12,229 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.158 |
| Rotation period | 7.77 hours |
| Absolute magnitude (H) | 14.39 |
| Orbital period | 4.80 years |
| Semi-major axis | 2.85 au |
| Perihelion – aphelion | 2.67 – 3.02 au |
| Eccentricity | 0.0622 |
| Inclination | 2.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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