(25019) Walentosky Main-belt Asteroid
Discovered on 17 August 1998 by LINEAR at Socorro.
Matthew James Walentosky (b. 1991) was awarded second place in the 2008 Intel International Science and Engineering Fair for his physics and astronomy project. He attends the Oil City High School, Oil City, Pennsylvania, U.S.A.Naming citation (20080917/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Walentosky is today
Seen from above the solar system on 2026-10-14: Walentosky is 2.19 au from the Sun and 1.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25019 |
| Provisional designation | 1998 QO10 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.10 km (#14,963 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.291 |
| Absolute magnitude (H) | 14.8 |
| Orbital period | 3.43 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.87 – 2.68 au |
| Eccentricity | 0.178 |
| Inclination | 4.37° |
| Closest distance between its orbit and Earth's (MOID) | 0.863 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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