12923 Zephyr
| Discovery[1] and designation | |
|---|---|
| Discovered by | Lowell Observatory Near-Earth-Object Search |
| Discovery site | Anderson Mesa Station, Flagstaff, AZ |
| Discovery date | 11 April 1999 |
| Designations | |
| MPC designation | 12923 Zephyr |
| 1999 GK4 | |
| Orbital characteristics[1] | |
| Epoch May 14, 2008 | |
| Aphelion | 2.926579337 AU |
| Perihelion | 0.99797584 AU |
| 1.962277587 AU | |
| Eccentricity | 0.49141964 |
| 2.7488362 yr (1004.012436 days) | |
| 57.506716° | |
| Inclination | 5.289203° |
| 168.35112° | |
| 146.76984° | |
| Physical characteristics | |
Sidereal rotation period | 3.891 h[1] |
| 15.8[1] | |
|
| |
12923 Zephyr (1999 GK4) is an Apollo asteroid and near-Earth object. Its name is derived from the ancient Greek god of the west wind Zephyrus and suggested by M. Smitherman.[1]
References
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