| Discovery | |
|---|---|
| Discovered by | P. Lowell |
| Discovery site | Lowell Observatory |
| Discovery date | 9 April 1907 |
| Designations | |
| (793) Arizona | |
| 1907 ZD [1] | |
| Orbital characteristics [1] | |
| Epoch 31 July 2016 (JD 2457600.5)[1] | |
| Uncertainty parameter 0 | |
| Observation arc | 108.93 yr (39788 d) |
| Aphelion | 3.1456 AU (470.58 Gm) |
| Perihelion | 2.4458 AU (365.89 Gm) |
| 2.7957 AU (418.23 Gm) [1] | |
| Eccentricity | 0.12516 |
| 4.67 yr (1707.4 d)[1] | |
| 8.40127° | |
| 0° 12m 39.06s / day | |
| Inclination | 15.7875° |
| 36.055° | |
| 308.965° | |
| Physical characteristics | |
| 14.475±0.45 km [1] | |
| 7.367 h,[2] 7.399 h (0.3083 d) [1] | |
| 0.1659±0.010 | |
| DU:[1] | |
| 10.26 [1] | |
793 Arizona is a minor planet orbiting the Sun that was discovered April 9, 1907 by American businessman Percival Lowell at Flagstaff.[3] It was named for the state of Arizona.[4] The object was independently discovered on April 17, 1907, by J. H. Metcalf at Taunton.[3] This is a main belt asteroid orbiting 2.8 AU from the Sun with a period of 4.675 yr and an eccentricity (ovalness) of 0.13. The orbital plane is inclined at an angle of 15.8° to the plane of the ecliptic.[1]
Photometric observations at the Palmer Divide Observatory in Colorado Springs, Colorado during the winter of 2007–2008 were used to build a light curve for this asteroid. The asteroid displayed a period of 7.367±0.005 h and a brightness change of 0.25±0.02 in magnitude.[2] It spans a diameter of approximately 29 km and is a candidate D-type asteroid with an unusual spectrum.[1]
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