(498) Tokyo
| Asteroid (498) Tokyo | |
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid | 
| Major semi-axis | 2,649 AU | 
| eccentricity | 0.226 | 
| Perihelion - aphelion | 2.05 AU - 3.248 AU | 
| Inclination of the orbit plane | 9.5 ° | 
| Length of the ascending node | 97.5 ° | 
| Argument of the periapsis | 241.1 ° | 
| Time of passage of the perihelion | February 15, 2010 | 
| Sidereal period | 4 a 114 d | 
| Mean orbital velocity | 18.1 km / s | 
| Physical Properties | |
| Medium diameter | approx. 82 km | 
| Albedo | 0.07 | 
| Absolute brightness | 9.0 mag | 
| Spectral class | M. | 
| history | |
| Explorer | Auguste Charlois | 
| Date of discovery | December 2, 1902 | 
| Another name | 1902 KU, A900 EB | 
| 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. | |
(498) Tokyo is an asteroid of the main belt , which on 2 December 1902 by French astronomer Auguste Charlois in Nice was discovered.
The asteroid is named after the Japanese capital Tokyo .
