(21555) Levary Main-belt Asteroid
Discovered on 24 August 1998 by LINEAR at Socorro.
David Andrew Levary (b. 1990) was awarded second place in the 2006 Intel International Science and Engineering Fair for his botany project. He attends the Parkway Central High School, Chesterfield, Missouri, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Levary is today
Seen from above the solar system on 2026-10-14: Levary is 3.41 au from the Sun and 3.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21555 |
| Provisional designation | 1998 QF70 |
| Orbit class | Main-belt Asteroid |
| Diameter | 18.9 km (#2,369 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0420 |
| Absolute magnitude (H) | 12.74 |
| Orbital period | 5.72 years |
| Semi-major axis | 3.20 au |
| Perihelion – aphelion | 2.93 – 3.46 au |
| Eccentricity | 0.0830 |
| Inclination | 15.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.99 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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