(1139) Atami
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Asteroid (1139) Atami |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 1.9474 AU |
| eccentricity | 0.2557 |
| Perihelion - aphelion | 1.4496 AU - 2.4453 AU |
| Inclination of the orbit plane | 13.092 ° |
| Sidereal period | 2.718 a |
| Mean orbital velocity | 21.34 km / s |
| Physical Properties | |
| Medium diameter | 10 km |
| Rotation period | 27.440 h |
| Absolute brightness | 12,427 mag |
| Spectral class | S. |
| history | |
| Explorer | O. Oikawa , K. Kubokawa |
| Date of discovery | December 1, 1929 |
| Another name | 1929 XE |
| 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. | |
(1139) Atami is an asteroid of the main belt , which on 1 December 1929 by the Japanese astronomer Okuro Oikawa and Kazuo Kubokawa in Tokyo was discovered.
The asteroid is named after the Japanese city of Atami .