Science Fair Project Encyclopedia
152 Atala
| Orbital characteristics 1 | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 3.141 AU |
| Perihelion distance | 2.918 AU |
| Aphelion distance | 3.364 AU |
| Orbital period | 5.57 years |
| Inclination | 12.13° |
| Eccentricity | 0.071 |
| Physical characteristics 1 | |
| Diameter 3 | 122.8 km |
| Rotation period | 5.282 hours |
| Spectral class 3 | D |
| Abs. magnitude | 8.33 |
| Albedo 3 | 0.054 |
| History 2 | |
| Discoverer | P. P. Henry, 1875 |
152 Atala is a very large, dark main belt asteroid. It is a type D asteroid, meaning that it is composed of carbon, organic rich silicates and possibly water ice.
It was discovered by brothers Paul Henry and Prosper Henry on November 2, 1875, but the discovery was credited to Paul. It is named after Atala , eponymous hero of the 1801 novel by François-René de Chateaubriand.
An occultation of a star by Atala was observed from Japan on March 11, 1994.
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10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details