(556) Phyllis ( Latin Phyllis , Greek Φυλλίς ) is a small asteroid of the main belt , belonging to the bright spectral class S. It was discovered on January 8, 1905 by the German astronomer Paul Goetz at the Heidelberg Observatory and is named after Phyllis , the Thracian princess from ancient Greek mythology [1]
| (556) Phyllida | |
|---|---|
| Asteroid | |
 Three-dimensional model of the asteroid (556) Phyllis | |
| Opening | |
| Discoverer | Paul Goetz |
| Place of discovery | Heidelberg |
| Discovery date | January 8, 1905 |
| Eponym | Phyllida |
| Alternative notation | 1905 PW ; 1950 QW |
| Category | Main ring |
| Orbital characteristics | |
| Age of December 9, 2014 JD 2457000.5 | |
| Eccentricity ( e ) | 0.1030375 |
| Semimajor axis ( a ) | 368.685 million km (2,4645048 AU ) |
| Perihelion ( q ) | 330.696 million km (2.2105684 AU) |
| Aphelion ( Q ) | 406.673 million km (2.7184412 AU) |
| Circulation Period ( P ) | 1413.165 days (3.869 g. ) |
| Average orbital speed | 18.922 km / s |
| Inclination ( i ) | 5,24097 ° |
| Longitude node (Ω) | 286.13725 ° |
| Perihelion Argument (ω) | 177.33414 ° |
| Median Anomaly ( M ) | 148.35444 ° |
| physical characteristics | |
| Diameter | 37.81 km |
| Rotation period | 4,293 h |
| Spectral class | S |
| Apparent magnitude | 13.08 m (current) |
| Absolute magnitude | 9.56 m |
| Albedo | 0.1853 |
| Current distance from the sun | 2,664 a. e. |
| Current distance from earth | 1,655 a. e. |
The orbit of the asteroid Phyllis and its position in the solar system
See also
- List of asteroids ( 501-600 )
- Classifications of Minor Planets
Notes
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- P. 58. - ISBN 3-540-00238-3 .