(21393) Kalygeringer Main-belt Asteroid
Discovered on 20 March 1998 by LINEAR at Socorro.
Karen Lynn Geringer (b. 1988) is a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors, for her behavioral and social sciences project. She attends the Plainedge High School, North Massapequa, New York.Naming citation (20050224/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kalygeringer is today
Seen from above the solar system on 2026-10-14: Kalygeringer is 2.85 au from the Sun and 3.03 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21393 |
| Provisional designation | 1998 FF34 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.79 km (#13,238 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.214 |
| Absolute magnitude (H) | 14.67 |
| Orbital period | 3.68 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.91 – 2.86 au |
| Eccentricity | 0.199 |
| Inclination | 1.58° |
| Closest distance between its orbit and Earth's (MOID) | 0.892 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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