(39463) Sirloin ( ancient Greek Φυλεύς ) is a typical Jupiter Trojan asteroid , moving at L 4 Lagrange, 60 ° ahead of the planet. The asteroid was discovered on September 19, 1973 by American astronomers C. Y. van Houten , I. van Houten-Gruneveld and Tom Gerels at the Palomar Observatory and is named after Phileo , a character in ancient Greek mythology .
| (39463) Sirloin | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | K. Y. van Houten , I. van Houten-Gruneveld , Tom gerels |
| Detection point | Palomar |
| Date of discovery | September 19, 1973 |
| Eponym | Sirloin |
| Alternative designations | 1973 SZ ; 1998 YP 28 |
| Category | Jupiter's Trojans ( L 4 ) |
| Orbital characteristics | |
| The Age of September 30, 2012 JD 2456200.5 | |
| Eccentricity ( e ) | 0.0884194 |
| Semi-axis ( a ) | 771.251 million km (5.1554971 a. E.) |
| Perihelion ( q ) | 703.058 million km (4,6996511 a. E.) |
| Afhelia ( Q ) | 839.445 million km (5.6113431 a. E.) |
| Period of circulation ( P ) | 4275,671 days (11,706 g. ) |
| Average orbital speed | 13.092 km / s |
| Inclination ( i ) | 5,76733 ° |
| Ascending node longitude (Ω) | 143,59440 ° |
| Perihelion Argument (ω) | 277.87767 ° |
| Mean Anomaly ( M ) | 85,60780 ° |
| physical characteristics | |
| Diameter | 8 - 19 km |
| Apparent magnitude | 19.8 m (current) |
| Absolute magnitude | 12.5 m |
| Current distance from the Sun | 4,996 a. e. |
| Current distance from Earth | 4.325 a. e. |
Orbit of the asteroid Filet and its position in the Solar System
See also
- List of asteroids ( 39401-39500 )
- Small Planet Classifications
- List of Trojan Asteroids ("Greeks")
- List of Trojan Asteroids (Trojans)