(423) Diotima
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Asteroid (423) Diotima |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Eos family |
| Major semi-axis | 3.066 AU |
| eccentricity | 0.04 |
| Perihelion - aphelion | 2.945 AU - 3.187 AU |
| Inclination of the orbit plane | 11.2 ° |
| Length of the ascending node | 69.5 ° |
| Argument of the periapsis | 202.9 ° |
| Time of passage of the perihelion | January 28, 2013 |
| Sidereal period | 5 a 135 d |
| Mean orbital velocity | 17.0 km / s |
| Physical Properties | |
| Medium diameter | 175.859 ± 3.854 km |
| Albedo | 0.0515 |
| Rotation period | 4 h 47 min |
| Absolute brightness | 7.24 likes |
| Spectral class | C. |
| history | |
| Explorer | A. Charlois |
| Date of discovery | December 7, 1896 |
| Another name | 1896 DB |
| 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. | |
(423) Diotima is an asteroid of the main belt , which was discovered on December 7, 1896 by the French astronomer Auguste Charlois in Nice.
(423) According to the AstDys-2 database, like (151430) Nemunas, Diotima is close to a 1J + 3S-1a three-body resonance with Jupiter and Saturn , the averaged orbital frequency (reciprocal of the sidereal period ) is roughly the same as that of Jupiter plus three times Orbital frequency of Saturn.
The asteroid is named after the literary figure Diotima , seer and teacher of Socrates .
Individual evidence
- ↑ The orbital resonance of (423) Diotima in the AstDyS-2 database (English)