(4489) 1988 AK
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Asteroid (4489) 1988 AK |
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| Properties of the orbit ( animation ) | |
| Orbit type | Jupiter Trojan (L 4 ) |
| Major semi-axis | 5.2777 AU |
| eccentricity | 0.0600 |
| Perihelion - aphelion | 4.9611 AU - 5.5942 AU |
| Inclination of the orbit plane | 22.161 ° |
| Sidereal period | 12,125 a |
| Mean orbital velocity | 12.97 km / s |
| Physical Properties | |
| Medium diameter | approx. 77 km |
| Albedo | 0.05 |
| Rotation period | ? H |
| Absolute brightness | approx 9 mag |
| Spectral class | ? |
| history | |
| Explorer | Edward LG Bowell |
| Date of discovery | 1988 |
| Another name | 1980 KA 1 , 1989 AQ 1 |
| 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. | |
(4489) 1988 AK 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 . (4489) 1988 AK was discovered on January 15, 1988 by Edward LG Bowell . It is assigned to the Lagrangian point L 4 .