(272) Antonia
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.