(21568) Evanmorikawa Main-belt Asteroid
Discovered on 14 September 1998 by LINEAR at Socorro.
Evan Takashi Morikawa (b. 1988) was awarded second place in the 2006 Intel International Science and Engineering Fair for his engineering project. He attends the High Tech High, San Diego, California, U.S.A.Naming citation (20060711/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Evanmorikawa is today
Seen from above the solar system on 2026-10-14: Evanmorikawa is 1.90 au from the Sun and 1.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21568 |
| Provisional designation | 1998 RM3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.43 km (#11,778 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.327 |
| Absolute magnitude (H) | 13.8 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.86 – 2.70 au |
| Eccentricity | 0.183 |
| Inclination | 24.9° |
| Closest distance between its orbit and Earth's (MOID) | 0.912 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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