(4138) Kalchas
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Asteroid (4138) Kalchas |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) |
| Major semi-axis | 5.151 AU |
| eccentricity | 0.0435 |
| Perihelion - aphelion | 4.927 AU - 5.375 AU |
| Inclination of the orbit plane | 2.1 ° |
| Sidereal period | 11,691 a |
| Mean orbital velocity | 13.12 km / s |
| Physical Properties | |
| Medium diameter | ? km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 9.9 likes |
| Spectral class | ? |
| history | |
| Explorer | C. J. and I. v. Houten-Groeneveld , T. Gehrels |
| Date of discovery | 1937 |
| Another name | 1973 SM, 1986 VU 6 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(4138) Kalchas is an asteroid belonging to the group of Jupiter Trojans . This describes asteroids that move around the sun on the Lagrange points on Jupiter's orbit . (4138) Kalchas was discovered on September 19, 1973 by Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels . It is assigned to the Lagrangian point L4.
The asteroid was named after Kalchas , the mythical seer of the Greeks during the Trojan War .