(1613) Smiley
|
Asteroid (1613) smiley |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Chloris family |
| Major semi-axis | 2.7352 AU |
| eccentricity | 0.2620 |
| Perihelion - aphelion | 2.0186 AU - 3.4517 AU |
| Inclination of the orbit plane | 7.947 ° |
| Sidereal period | 4,524 a |
| Mean orbital velocity | 18.01 km / s |
| Physical Properties | |
| Medium diameter | 21.12 km |
| Albedo | 0.088 |
| Rotation period | 81 h |
| Absolute brightness | 11,548 likes |
| Spectral class | Cgh |
| history | |
| Explorer | S. Arend |
| Date of discovery | September 16, 1950 |
| Another name | 1950 SD, 1929 CL, 1941 SR |
| 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. | |
(1613) Smiley is an asteroid of the main belt discovered on September 16, 1950 by the Belgian astronomer Sylvain Julien Victor Arend in Ukkel .
The asteroid was named after the American astronomer Charles Hugh Smiley .