(540) Rosamunde
| Asteroid (540) Rosamunde | |
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt | 
| Major semi-axis | 2.22 AU | 
| eccentricity | 0.089 | 
| Perihelion - aphelion | 2.022 AU - 2.418 AU | 
| Inclination of the orbit plane | 5.6 ° | 
| Length of the ascending node | 202.2 ° | 
| Argument of the periapsis | 337.6 ° | 
| Time of passage of the perihelion | June 29, 2012 | 
| Sidereal period | 3 a 112 d | 
| Mean orbital velocity | 20.0 km / s | 
| Physical Properties | |
| Medium diameter | 19.02 km | 
| Albedo | 0.2426 | 
| Rotation period | 9 h 20 min | 
| Absolute brightness | 10.76 mag | 
| Spectral class | S. | 
| history | |
| Explorer | Max Wolf | 
| Date of discovery | August 3, 1904 | 
| Another name | 1904 ON | 
| 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. | |
(540) Rosamunde is an asteroid of the main belt that was discovered on August 3, 1904 by the German astronomer Max Wolf in Heidelberg .
The asteroid is named after the title character of the play Rosamunde by Helmina von Chézy with the incidental music by Franz Schubert .
