(9694) Likomed ( Latin: Lycomedes , Greek: Λῠκομήδης ) is a typical Trojan asteroid of Jupiter moving at Lagrange point L 4 , 60 ° ahead of the planet. The asteroid was discovered on September 16, 1960 by American astronomers K. J. van Houten , I. van Houten-Gruneveld and Tom Guerls at the Palomar Observatory and named after Lycomedos , a character in ancient Greek mythology [1] .
| (9694) Lycomed | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | C. J. van Houten , I. van Houten-Gruneveld , Tom gerels |
| Place of discovery | Palomar |
| Discovery date | September 16, 1960 |
| Eponym | Lycomed |
| Alternative notation | 6,581 PL ; 1990 DY 1 |
| Category | Jupiter's Trojans ( L 4 ) |
| Orbital characteristics | |
| Age of May 23, 2014 JD 2456800.5 | |
| Eccentricity ( e ) | 0,0333468 |
| Semimajor axis ( a ) | 766.54 million km (5.1240033 AU ) |
| Perihelion ( q ) | 740.978 million km (4,9531342 AU) |
| Aphelion ( Q ) | 792.102 million km (5.2948724 AU) |
| Circulation Period ( P ) | 4236.552 days (11.599 g. ) |
| Average orbital speed | 13,154 km / s |
| Inclination ( i ) | 4,94313 ° |
| Longitude node (Ω) | 350.16229 ° |
| Perihelion Argument (ω) | 59.71862 ° |
| Median Anomaly ( M ) | 100,43028 ° |
| physical characteristics | |
| Diameter | 20 - 45 km |
| Rotation period | 18.2 h |
| Apparent magnitude | 17.76 m (current) |
| Absolute magnitude | 10.6 m |
| Current distance from the sun | 5.148 a. e. |
| Current distance from earth | 4,252 a. e. |
Orbit of the asteroid Likomed and its position in the solar system
See also
- Asteroid List ( 9601–9700 )
- 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. 704. - ISBN 3-540-00238-3 .