(17563) Tsuneyoshi Main-belt Asteroid
Discovered on 5 February 1994 by Kushida, Y., Muramatsu, O. at Yatsugatake.
Tsuneyoshi Fujii (b. 1949) is director of the Sunshine Planetarium in Tokyo. Earlier he was a lecturer and curator at the Gotoh Planetarium and Astronomical Museum in Tokyo, where he worked for eight years until 1971.Naming citation (20020328/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tsuneyoshi is today
Seen from above the solar system on 2026-10-14: Tsuneyoshi is 3.23 au from the Sun and 2.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17563 |
| Provisional designation | 1994 CC1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.56 |
| Orbital period | 4.38 years |
| Semi-major axis | 2.68 au |
| Perihelion – aphelion | 2.10 – 3.26 au |
| Eccentricity | 0.217 |
| Inclination | 10.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.