(189004) Capis ( Latin Capys ) - Jupiter's Trojan asteroid moving at Lagrange point L 5 , 60 ° behind the planet. The asteroid was discovered on October 16, 1977 by Dutch astronomers C.J. van Houten , I. van Houten-Gruneveld and Tom Guerls at the Palomar Observatory and is named after Kapis , grandfather of Aeneas mentioned in the Iliad .
- Orbit of the asteroid Kapis and its position in the solar system
| (189004) Kapis | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | C. J. van Houten , I. van Houten-Gruneveld , Tom gerels |
| Place of discovery | Palomar |
| Discovery date | October 16, 1977 |
| Alternative notation | 3,184 T-3 ; 2001 UY 186 |
| Category | Jupiter Trojans ( L 5 ) |
| Orbital characteristics | |
| Age of December 9, 2014 JD 2457000.5 | |
| Eccentricity ( e ) | 0.1456208 |
| Semimajor axis ( a ) | 776.637 million km (5.1914947 AU ) |
| Perihelion ( q ) | 663.542 million km (4,4355051 AU) |
| Aphelion ( Q ) | 889.731 million km (5,9474843 AU) |
| Circulation Period ( P ) | 4,320.53 days (11.829 g. ) |
| Average orbital speed | 13.003 km / s |
| Inclination ( i ) | 17.09661 ° |
| Longitude node (Ω) | 27.65067 ° |
| Perihelion Argument (ω) | 334.71335 ° |
| Median Anomaly ( M ) | 55.14527 ° |
| physical characteristics | |
| Diameter | 6 - 12 km |
| Apparent magnitude | 21.83 m (current) |
| Absolute magnitude | 13.4 m |
| Current distance from the sun | 5.915 a. e. |
| Current distance from earth | 6,763 a e. |
See also
- The list of asteroids ( 189001-1899100 )
- Classifications of Minor Planets
- List of Trojan asteroids ("Greeks")
- List of Trojan asteroids (“Trojans”)