(17314) Esak ( lat.Aisakos , other Greek Αἴσακος ) - Jupiter's Trojan asteroid moving at the Lagrange point L 5 , 60 ° behind the planet. The asteroid was discovered on March 25, 1971 by the Dutch astronomers K. J. van Houten , I. van Houten-Gruneveld and Tom Guerls at the Palomar Observatory and named after Esak , one of the characters in ancient Greek mythology [1] .
| (17314) Esak | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | C. J. van Houten , I. van Houten-Gruneveld , Tom gerels |
| Place of discovery | Palomar |
| Discovery date | March 25, 1971 |
| Eponym | Esak |
| Alternative notation | 1,024 T-1 ; 1977 RS 9 ; 1989 RH 3 |
| Category | Jupiter Trojans ( L 5 ) |
| Orbital characteristics | |
| Age of December 9, 2014 JD 2457000.5 | |
| Eccentricity ( e ) | 0,0757354 |
| Semimajor axis ( a ) | 772.979 million km (5.1670445 AU ) |
| Perihelion ( q ) | 714.437 million km (4.7757163 AU) |
| Aphelion ( Q ) | 831.521 million km (5.5583727 AU) |
| Circulation Period ( P ) | 4,290,044 days (11,746 g ) |
| Average orbital speed | 13,084 km / s |
| Inclination ( i ) | 10.72422 ° |
| Longitude node (Ω) | 353.79261 ° |
| Perihelion Argument (ω) | 84.98446 ° |
| Median Anomaly ( M ) | 341.00495 ° |
| physical characteristics | |
| Diameter | 18 - 41 km |
| Apparent magnitude | 18.91 m (current) |
| Absolute magnitude | 10.8 m |
| Current distance from the sun | 5,406 a. e. |
| Current distance from earth | 5.827 a. e. |
Orbit of the asteroid Esak and its position in the solar system
See also
- List of asteroids ( 17301-17400 )
- 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. 845. - ISBN 3-540-00238-3 .