729 Watsonia
| Name | |
|---|---|
| Name | Watsonia |
| Designation | 1912 OD |
| Discovery | |
| Discoverer | Joel Hastings Metcalf |
| Discovery date | February 9, 1912 |
| Discovery site | Winchester, Massachusetts |
| Orbital elements | |
| Epoch August 18, 2005 (JDCT 2453600.5) | |
| Eccentricity (e) | 0.095 |
| Semimajor axis (a) | 2.760 AU |
| Perihelion (q) | 2.496 AU |
| Aphelion (Q) | 3.023 AU |
| Orbital period (P) | 4.584 a |
| Inclination (i) | 18.062° |
| Longitude of the ascending node (Ω) | 124.670° |
| Argument of Perihelion (ω) | 85.559° |
| Mean anomaly (M) | 86.129° |
729 Watsonia is a minor planet orbiting the Sun. It was named after the Canadian-American astronomer James C. Watson.
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