(24215) Jongastel Main-belt Asteroid
Discovered on 7 December 1999 by LINEAR at Socorro.
Jonathan Gastel mentored a finalist in the 2008 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Stuyvesant High School, New York, New York.Naming citation (20080221/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Jongastel is today
Seen from above the solar system on 2026-10-14: Jongastel is 2.54 au from the Sun and 2.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 24215 |
| Provisional designation | 1999 XN68 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.95 km (#15,342 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.322 |
| Rotation period | 11.0 hours |
| Absolute magnitude (H) | 14.84 |
| Orbital period | 3.75 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 2.29 – 2.54 au |
| Eccentricity | 0.0516 |
| Inclination | 1.69° |
| Closest distance between its orbit and Earth's (MOID) | 1.27 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Jonathan
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