(25490) Kevinkelly Main-belt Asteroid
Discovered on 7 December 1999 by LINEAR at Socorro.
Kevin Kelly mentored a finalist in the 2009 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Lexington High School, Lexington, Massachusetts.Naming citation (20090311/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kevinkelly is today
Seen from above the solar system on 2026-10-14: Kevinkelly is 2.23 au from the Sun and 2.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25490 |
| Provisional designation | 1999 XN84 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.59 km (#8,130 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Rotation period | 6.44 hours |
| Absolute magnitude (H) | 14.91 |
| Orbital period | 3.78 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.07 – 2.79 au |
| Eccentricity | 0.148 |
| Inclination | 1.97° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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