5176 Yoichi
| Discovery | |
|---|---|
| Discovered by | Seiji Ueda and Hiroshi Kaneda |
| Discovery site | Kushiro |
| Discovery date | 4 January 1989 |
| Designations | |
| MPC designation | 5176 |
|
Named after
|
Yoichi |
| 1989 AU | |
| Orbital characteristics | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 29301 days (80.22 yr) |
| Aphelion | 3.5226474 AU (526.98055 Gm) |
| Perihelion | 1.8547509 AU (277.46679 Gm) |
| 2.688699 AU (402.2236 Gm) | |
| Eccentricity | 0.3101679 |
| 4.41 yr (1610.3 d) | |
| 118.16350° | |
| 0° 13m 24.81s / day | |
| Inclination | 7.698914° |
| 94.11917° | |
| 268.61516° | |
| Earth MOID | 0.869893 AU (130.1341 Gm) |
| Jupiter MOID | 1.988 AU (297.4 Gm) |
| Jupiter Tisserand parameter | 3.290 |
| Physical characteristics | |
|
Mean radius
|
8.28 ± 0.35 km |
| 0.0849 ± 0.007 | |
| 12.3 | |
5176 Yoichi (1989 AU) is a main-belt asteroid discovered on January 4, 1989 by Seiji Ueda and Hiroshi Kaneda at Kushiro. On November 2, it will pass in front of the 8.4 magnitude star HIP 14421, causing a magnitude drop from 8.4 to 14.1. It will be visible over Southern Japan, Eastern China, A large portion of Southern California, Flagstaff, Arizona, New Mexico, Northern Texas, Louisiana, Southern Mississippi, Alabama, and Northern Florida.
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