(160) Una
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Asteroid (160) Una |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.728 AU |
| eccentricity | 0.065 |
| Perihelion - aphelion | 2.552 AU - 2.904 AU |
| Inclination of the orbit plane | 3.8 ° |
| Length of the ascending node | 8.7 ° |
| Argument of the periapsis | 51.5 ° |
| Time of passage of the perihelion | April 1, 2010 |
| Sidereal period | 4 a 184 d |
| Mean orbital velocity | 18.0 km / s |
| Physical Properties | |
| Medium diameter | 81 km |
| Albedo | 0.0625 |
| Rotation period | 11 h 2 min |
| Absolute brightness | 9.08 likes |
| Spectral class | CX |
| history | |
| Explorer | CHF Peters |
| Date of discovery | February 20, 1876 |
| 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. | |
(160) Una is an asteroid of the main belt , on 20 February 1876 by the German-American astronomer Christian Heinrich Friedrich Peters was discovered.
The celestial body was named after a figure from the poetry The Faerie Queene by the English poet Edmund Spenser .