(21520) Dianaeheart Main-belt Asteroid
Discovered on 23 May 1998 by LINEAR at Socorro.
Diana Lynn Eheart (b. 1986) was awarded second place in the 2005 Intel International Science and Engineering Fair for her medicine and health project. She attends the Hamilton High School, Chandler, Arizona, U.S.A.Naming citation (20050822/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Dianaeheart is today
Seen from above the solar system on 2026-10-14: Dianaeheart is 3.10 au from the Sun and 2.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21520 |
| Provisional designation | 1998 KR55 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 14.12 |
| Orbital period | 5.12 years |
| Semi-major axis | 2.97 au |
| Perihelion – aphelion | 2.84 – 3.10 au |
| Eccentricity | 0.0436 |
| Inclination | 9.23° |
| Closest distance between its orbit and Earth's (MOID) | 1.84 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Diana
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All asteroids named after someone called Diana
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