(4387) Tanaka
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Asteroid (4387) Tanaka |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.4392 AU |
| eccentricity | 0.014 |
| Perihelion - aphelion | 2.4045 AU - 2.474 AU |
| Inclination of the orbit plane | 4.269 ° |
| Sidereal period | 3,810 a |
| Mean orbital velocity | 19.07 km / s |
| Physical Properties | |
| Medium diameter | ? km |
| Albedo | ? |
| Rotation period | ? H |
| Absolute brightness | 12.8 mag |
| Spectral class | S. |
| history | |
| Explorer |
CJ van Houten , T. Gehrels |
| Date of discovery | 19th September 1973 |
| Another name | 4829 T-2, 1975 BS, 1979 FX 2 |
| 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. | |
(4387) Tanaka is an asteroid of the main belt that was discovered on September 19, 1973 by the research team Cornelis Johannes van Houten and Tom Gehrels as part of the Palomar-Leiden Survey .
It is named after the Japanese astronomer Yasuo Tanaka .