(322) Phaeo
Asteroid (322) Phaeo |
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Properties of the orbit ( animation ) | |
Orbit type | Middle main belt |
Major semi-axis | 2.782 AU |
eccentricity | 0.245 |
Perihelion - aphelion | 2.1 AU - 3.464 AU |
Inclination of the orbit plane | 8.1 ° |
Length of the ascending node | 252.4 ° |
Argument of the periapsis | 115.5 ° |
Time of passage of the perihelion | March 2, 2012 |
Sidereal period | 4 a 234 d |
Mean orbital velocity | 17.6 km / s |
Physical Properties | |
Medium diameter | 71 km |
Albedo | 0.0876 |
Rotation period | 17 h 35 min |
Absolute brightness | 9.01 mag |
Spectral class | X |
history | |
Explorer | A. Borrelly |
Date of discovery | November 27, 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. |
(322) Phaeo is an asteroid of the main asteroid belt discovered by Alphonse Borrelly at the Marseille Observatory on November 27, 1891 .
Phaeo moves from 2.1065 ( perihelion ) to 3.4687 ( aphelion ) astronomical units in 4.6543 years around the sun . The orbit is inclined 8.0158 ° to the ecliptic , the orbital eccentricity is 0.2443.
Phaeo has a diameter of 71 kilometers. The asteroid has a dark surface with an albedo of 0.088 and rotates around its own axis in around 17 hours and 35 minutes.