(6559) Nomura Main-belt Asteroid
Discovered on 3 May 1991 by Sugano, M., Kawanishi, K. at Minami-Oda.
Named in honor of Toshiro Nomura (b. 1954), science teacher at Nada High School in Kobe. As head of the Kobe branch of the Oriental Astronomical Association, he is making every effort to popularize astronomy. He has visited Tunguska several times with his colleagues to search for meteorites since 1992.Naming citation (19990728/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nomura is today
Seen from above the solar system on 2026-10-14: Nomura is 2.44 au from the Sun and 3.22 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6559 |
| Provisional designation | 1991 JP |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.40 km (#5,476 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0720 |
| Rotation period | 165 hours |
| Absolute magnitude (H) | 14.1 |
| Orbital period | 3.60 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 1.78 – 2.92 au |
| Eccentricity | 0.241 |
| Inclination | 9.71° |
| Closest distance between its orbit and Earth's (MOID) | 0.790 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 3 May 1991
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