(272) Antonia
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Asteroid (272) Antonia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2,778 AU |
| eccentricity | 0.03 |
| Perihelion - aphelion | 2,694 AU - 2,862 AU |
| Inclination of the orbit plane | 4.4 ° |
| Length of the ascending node | 37.4 ° |
| Argument of the periapsis | 64.5 ° |
| Time of passage of the perihelion | August 15, 2012 |
| Sidereal period | 4 a 231 d |
| Mean orbital velocity | 17.9 km / s |
| Physical Properties | |
| Medium diameter | 25 km |
| Albedo | 0.1443 |
| Rotation period | 3 h 51 min |
| Absolute brightness | 10.7 mag |
| history | |
| Explorer | A. Charlois |
| Date of discovery | February 4, 1888 |
| 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. | |
(272) Antonia is an asteroid of the main asteroid belt , which was discovered on February 4, 1888 by Auguste Charlois at the Observatory of Nice .
Antonia moves at a distance of 2.6912 ( perihelion ) to 2.8629 ( aphelion ) astronomical units around the sun in 4.6279 years . The orbit is inclined 4.4437 ° to the ecliptic , the orbital eccentricity is 0.0309.
Antonia has a diameter of 25 kilometers. It has a relatively light surface with an albedo of 0.144.
It is not known who the asteroid was named after.