(309227) Tsukiko Main-belt Asteroid
Discovered on 16 August 2007 by Mazzucato, M., Dolfi, F. at San Marcello.
Selene "Tsukiko” Mazzucato (b. 1994) is the daughter of the first discoverer. She is a student of tourism science and is very interested in observational astronomy.Naming citation (MPC batch dated 2013-09-19), IAU / Minor Planet Center, via NASA/JPL
Where Tsukiko is today
Seen from above the solar system on 2026-10-14: Tsukiko is 2.84 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 309227 |
| Provisional designation | 2007 QC |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 18.1 |
| Orbital period | 3.55 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 1.80 – 2.85 au |
| Eccentricity | 0.225 |
| Inclination | 2.96° |
| Closest distance between its orbit and Earth's (MOID) | 0.788 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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