(35254) Noriko Main-belt Asteroid
Discovered on 26 January 1996 by F. Uto at Kashihara.
Noriko Uto (1950–2015) was the wife of the discoverer of this minor planet. She built a public observatory at her own expense and donated it to Minamisatsuma City, Kagoshima Prefecture. It was named Korino Observatory and opened in 2016.Naming citation (WGSBN Bull. 6, #1, 9), IAU / Minor Planet Center, via NASA/JPL
Where Noriko is today
Seen from above the solar system on 2026-10-14: Noriko is 3.52 au from the Sun and 3.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 35254 |
| Provisional designation | 1996 BW2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.28 km (#10,079 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.230 |
| Absolute magnitude (H) | 13.89 |
| Orbital period | 5.54 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.61 – 3.65 au |
| Eccentricity | 0.165 |
| Inclination | 18.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.64 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.