(4223) Shikoku
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Asteroid (4223) Shikoku |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt |
| Asteroid family | Eos family |
| Major semi-axis | 3.004 AU |
| eccentricity | 0.1099 |
| Perihelion - aphelion | 2,674 AU - 3,334 AU |
| Inclination of the orbit plane | 9.25 ° |
| Length of the ascending node | 269.24 ° |
| Sidereal period | 5.21 a |
| Physical Properties | |
| Medium diameter | approx. 23 km |
| Rotation period | 9 h 8 min |
| Absolute brightness | 10.8 mag |
| history | |
| Explorer | Tsutomu Seki |
| Date of discovery | May 7, 1988 |
| Another name | 1989 JM |
| 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. | |
(4223) Shikoku is a main belt asteroid discovered by Tsutomu Seki at the Geisei Observatory on May 7, 1988 .
The asteroid was named after the Japanese island of Shikoku .
Individual evidence
- ^ Lutz D. Schmadel: Dictionary of minor planet names . Vol. 1. Springer, Berlin & New York 2003
Web links
- (4223) Shikoku in the Small-Body Database of the Jet Propulsion Laboratory .