116 Sirona
|
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
---|---|
Orbit type | Main belt |
Semimajor axis | 2.770 AU |
Perihelion distance | 2.388 AU |
Aphelion distance | 3.152 AU |
Orbital period | 4.61 years |
Inclination | 3.57° |
Eccentricity | 0.138 |
Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
Diameter | 71.7 km |
Rotation period | 12.028 hours |
Spectral class | S |
Abs. magnitude | 7.82 |
Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.256 |
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
Discoverer | C. H. F. Peters, 1871 |
116 Sirona is a somewhat large and bright-colored main belt asteroid. It is probably composed of silicate rocks and metallic nickel-iron.
It was discovered by C. H. F. Peters on September 8, 1871 and named after Sirona, the Celtic goddess of astronomy.
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(For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |