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| Orbital characteristics [ftp://ftp.lowell.edu/pub/elgb/astorb.html 1] | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.797 AU |
| Perihelion distance | 1.824 AU |
| Aphelion distance | 3.769 AU |
| Orbital period | 4.68 years |
| Inclination | 26.41° |
| Eccentricity | 0.348 |
| Physical characteristics [ftp://ftp.lowell.edu/pub/elgb/astorb.html 1] | |
| Diameter | 35.4 km |
| Rotation period | 11.77 hours |
| Spectral class | S |
| Abs. magnitude | 9.68 |
| Albedo | 0.189 |
| History | |
| Discoverer | J. Palisa, 1878 |
183 Istria is a stony main belt asteroid.
It was discovered by J. Palisa on February 8, 1878 and named after the Istrian peninsula, which was then part of the Austro-Hungarian Empire.
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