89 Julia
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Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
---|---|
Orbit type | Main belt |
Semimajor axis | 2.550 AU |
Perihelion distance | 2.082 AU |
Aphelion distance | 3.018 AU |
Orbital period | 4.07 years |
Inclination | 16.14° |
Eccentricity | 0.184 |
Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
Diameter | 151.5 km |
Rotation period 3 (http://charlie.psi.edu/pds/) | 11.387 hours |
Spectral class | S |
Abs. magnitude | 6.60 |
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
Discoverer | E. Stephan, 1866 |
89 Julia is a large main belt asteroid. It is likely composed of silicate rock and nickel-iron metals.
It was discovered by a French astronomer Édouard Stephan on August 6, 1866. It was first of his two asteroid discoveries; the other was 91 Aegina. It believed to be named after Saint Julia of Corsica.
A stellar occultation by Julia was observed on December 20, 1985.
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