(183) Istria
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Asteroid (183) Istria |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.791 AU |
| eccentricity | 0.351 |
| Perihelion - aphelion | 1.811 AU - 3.771 AU |
| Inclination of the orbit plane | 26.4 ° |
| Length of the ascending node | 142 ° |
| Argument of the periapsis | 264.2 ° |
| Time of passage of the perihelion | October 6, 2012 |
| Sidereal period | 4 a 242 d |
| Mean orbital velocity | 17.3 km / s |
| Physical Properties | |
| Medium diameter | 35 ± 2.8 km |
| Albedo | 0.1890 |
| Rotation period | 11 h 46 min |
| Absolute brightness | 9.68 likes |
| Spectral class | S. |
| history | |
| Explorer | J. Palisa |
| Date of discovery | February 8, 1878 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(183) Istria is an asteroid of the main asteroid belt , which was discovered on February 8, 1878 by Johann Palisa at the observatory of Pola (today Pula ).
The celestial body was named after the Istrian peninsula on which the observatory was located.