(1090) Sumida
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Asteroid (1090) Sumida |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.3594 AU |
| eccentricity | 0.2209 |
| Perihelion - aphelion | 1.8383 AU - 2.8805 AU |
| Inclination of the orbit plane | 21.498 ° |
| Sidereal period | 3,624 a |
| Mean orbital velocity | 19.39 km / s |
| Physical Properties | |
| Medium diameter | 11 km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | 2.719 h |
| Absolute brightness | 12,247 mag |
| Spectral class | ? |
| history | |
| Explorer | Okuro Oikawa |
| Date of discovery | February 20, 1928 |
| Another name | 1928 DG, 1950 JK, 1957 HH |
| 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. | |
(1090) Sumida is an asteroid of the main belt , which on 20th February 1928 by Japanese astronomers Okuro Oikawa in Tokyo was discovered.
The name of the asteroid is derived from the Sumidagawa River that flows through Tokyo.