(21282) Shimizuyuka Main-belt Asteroid
Discovered on 14 October 1996 by T. Seki at Geisei.
Yuka Shimizu (b. 2009) is the discoverer's granddaughter. Yuka is interested in the constellations and enjoys watching the stars with her parents at Geisei Observatory's public viewing nights.Naming citation (MPC batch dated 2017-11-04), IAU / Minor Planet Center, via NASA/JPL
Where Shimizuyuka is today
Seen from above the solar system on 2026-10-14: Shimizuyuka is 2.77 au from the Sun and 3.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21282 |
| Provisional designation | 1996 TD15 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.19 km (#12,295 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.433 |
| Absolute magnitude (H) | 13.57 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.83 – 2.78 au |
| Eccentricity | 0.206 |
| Inclination | 21.9° |
| Closest distance between its orbit and Earth's (MOID) | 0.964 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Yuka
All asteroids named after someone called Yuka
Also discovered on 14 October 1996
- (11124) Mikulasek
- (19307) Hanayama
- (22442) Blaha
- (29402) Obelix
- (35286) Takaoakihiro
- (37729) Akiratakao
- (39703) Reina
- (39712) Ehimedaigaku