(306) Unitas
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Asteroid (306) Unitas |
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| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2,359 AU |
| eccentricity | 0.15 |
| Perihelion - aphelion | 2.006 AU - 2.712 AU |
| Inclination of the orbit plane | 7.3 ° |
| Length of the ascending node | 142 ° |
| Argument of the periapsis | 167.5 ° |
| Time of passage of the perihelion | January 22, 2012 |
| Sidereal period | 3 a 227 d |
| Mean orbital velocity | 19.3 km / s |
| Physical Properties | |
| Medium diameter | 47 km |
| Albedo | 0.2112 |
| Rotation period | 8 h 44 min |
| Absolute brightness | 8.96 mag |
| Spectral class | S. |
| history | |
| Explorer | E. Millosevich |
| Date of discovery | March 1, 1891 |
| 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. | |
(306) Unitas is an asteroid of the main asteroid belt discovered by Elia Millosevich at the Observatory of Rome on March 1, 1891 .
Unitas moves from 2.0041 ( perihelion ) to 2.7125 ( aphelion ) astronomical units around the sun in 3.6217 years . The orbit is inclined 7.3675 ° to the ecliptic , the orbital eccentricity is 0.1502.
Unitas has a diameter of 47 kilometers. It has a light, silicate-rich surface with an albedo of 0.211. It rotates around its own axis in around 8 hours and 44 minutes.