(20070) Koichiyuko Main-belt Asteroid
Discovered on 8 December 1993 by T. Kobayashi at Oizumi.
Koichi Takahashi (b. 1958) has been director of the Hiroshima Chapter of the Young Astronauts Club of Japan since 1998. His wife Yuko (b. 1958) enthusiastically helps in his activities. Koichi is a medical doctor and Yuko a pharmacist.Naming citation (20050919/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Koichiyuko is today
Seen from above the solar system on 2026-10-14: Koichiyuko is 2.18 au from the Sun and 3.03 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20070 |
| Provisional designation | 1993 XL |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.52 km (#13,898 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.357 |
| Absolute magnitude (H) | 14.25 |
| Orbital period | 3.42 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.78 – 2.77 au |
| Eccentricity | 0.218 |
| Inclination | 7.16° |
| Closest distance between its orbit and Earth's (MOID) | 0.773 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 8 December 1993
More named asteroids discovered by T. Kobayashi
- (4807) Noboru
- (5924) Teruo
- (6275) Kiryu
- (6276) Kurohone
- (6346) Syukumeguri
- (6414) Mizunuma
- (6418) Hanamigahara
- (6420) Riheijyaya
- (6422) Akagi
- (6423) Harunasan
- (6462) Myougi
- (6531) Subashiri
← (20069) Monyer · (20073) Yumiko →