(556) Phyllis
Asteroid (556) Phyllis |
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Properties of the orbit ( animation ) | |
Orbit type | Inner main belt |
Asteroid family | Vesta family |
Major semi-axis | 2,465 AU |
eccentricity | 0.103 |
Perihelion - aphelion | 2.211 AU - 2.719 AU |
Inclination of the orbit plane | 5.2 ° |
Length of the ascending node | 286.2 ° |
Argument of the periapsis | 178 ° |
Time of passage of the perihelion | June 25, 2009 |
Sidereal period | 3 a 318 d |
Mean orbital velocity | 18.9 km / s |
Physical Properties | |
Medium diameter | 37.82 km |
Albedo | 0.1853 |
Rotation period | 4 h 18 min |
Absolute brightness | 9.56 likes |
Spectral class | S. |
history | |
Explorer | Paul Goetz |
Date of discovery | January 8, 1905 |
Another name | 1905 PW, 1950 QW |
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. |
(556) Phyllis is an asteroid of the main belt that was discovered on January 8, 1905 by the German astronomer Paul Götz in Heidelberg .
The asteroid was named after the princess Phyllis from Greek mythology.