(1269) Rollandia
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Asteroid (1269) Rollandia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3,899 AU |
| eccentricity | 0.0982 |
| Perihelion - aphelion | 3.516 AU - 4.282 AU |
| Inclination of the orbit plane | 2.757 ° |
| Sidereal period | 7,699 a |
| Mean orbital velocity | 15.08 km / s |
| Physical Properties | |
| Medium diameter | 105.20 km |
| Dimensions | ? kg |
| Albedo | 0.047 |
| Medium density | ? g / cm³ |
| Rotation period | ? H |
| Absolute brightness | 8,559 likes |
| Spectral class | ? |
| history | |
| Explorer | G. N. Nikolayevich |
| Date of discovery | 1930 |
| Another name | 1930 SH, 1936 LE, 1961 PB |
| 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. | |
(1269) Rollandia is an asteroid of the main belt , which was discovered on September 20, 1930 by the Russian astronomer Grigory Nikolayevich Neuimin in Simejis .
The asteroid was named after the French writer Romain Rolland .