( 22227 ) Polyksen ( Greek: Πολύξενος ) is a typical Trojan asteroid of Jupiter moving at Lagrange point L 4 , 60 ° ahead of the planet. The asteroid was discovered on September 25, 1973 by the Dutch astronomers K.J. van Houten , I. van Houten-Gruneveld and Tom Gerels at the Palomar Observatory and named after Poliksen , one of the characters in ancient Greek mythology [1] .
- Orbit of the asteroid Poliksen and its position in the solar system
| (22227) Polyxen | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | C. J. van Houten , I. van Houten-Gruneveld , Tom gerels |
| Place of discovery | Palomar |
| Discovery date | September 25, 1973 |
| Eponym | Polyksen |
| Alternative notation | 5030 T-2 ; 1989 EN 4 |
| Category | Jupiter's Trojans ( L 4 ) |
| Orbital characteristics | |
| Age of September 30, 2012 JD 2456200.5 | |
| Eccentricity ( e ) | 0.1345311 |
| Semimajor axis ( a ) | 781.459 million km (5.2237329 AU ) |
| Perihelion ( q ) | 676.329 million km (4,5209784 AU) |
| Aphelion ( Q ) | 886.59 million km (5.9264874 AU) |
| Circulation Period ( P ) | 4,360.837 days (11.939 g. ) |
| Average orbital speed | 12.973 km / s |
| Inclination ( i ) | 10.94695 ° |
| Longitude node (Ω) | 289.88723 ° |
| Perihelion Argument (ω) | 157.38636 ° |
| Median Anomaly ( M ) | 35.96480 ° |
| physical characteristics | |
| Diameter | 14 - 31 km |
| Apparent magnitude | 19.37 m (current) |
| Absolute magnitude | 11.4 m |
| Current distance from the sun | 5.553 a. e. |
| Current distance from earth | 5.252 a. e. |
See also
- The list of asteroids ( 22201—22300 )
- Classifications of Minor Planets
- List of Trojan asteroids ("Greeks")
- List of Trojan asteroids (“Trojans”)
Notes
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- P. 865. - ISBN 3-540-00238-3 .