8691 Etsuko
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| Discovery and designation | |
|---|---|
| Discovered by | Yoshio Kushida and Osamu Muramatsu |
| Discovery site | Yatsugatake South Base Observatory |
| Discovery date | October 21, 1992 |
| Designations | |
| MPC designation | 8691 |
| Alternative names | 1992 UZ1 |
| Orbital characteristics | |
| Epoch May 14, 2008 | |
| Aphelion | 2.8188173 |
| Perihelion | 2.0697359 |
| Eccentricity | 0.1532317 |
| Orbital period | 1395.8024730 |
| Mean anomaly | 33.42243 |
| Inclination | 5.50322 |
| Longitude of ascending node | 308.36822 |
| Argument of perihelion | 75.43492 |
| Physical characteristics | |
| Absolute magnitude (H) | 13.9 |
|
| |
8691 Etsuko (1992 UZ1) is a main-belt asteroid discovered on October 21, 1992 by Yoshio Kushida and Osamu Muramatsu at the Yatsugatake South Base Observatory (八ヶ岳南麓天文台).
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