Asteroid 11 Parthenope
Named after Parthenope, one of the Sirens in Greek mythology, said to have founded the city of Naples.
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| Classification | Main-belt Asteroid |
Osculating Orbital Elements
| Epoch | 2447657,5 |
| Semi major axis | 2,4523 AU |
| Period [Julian yrs] | 3,840 Julian years |
| Inclination | 4,621 ° |
| Eccentricity | 0,0995 |
| Lon. of ascending node | 125,702 ° |
| Argument of perihelion | 193,712 ° |
| Passage of perihelion | 1989-Jun-06.799646 |
| Aphelion distance | 2,6963 AU |
| Mean anomaly | 353,122 ° |
Physical Data
| Radius | 76,67 km |
| Rotation period | 9,43 days |
| Absolute magnitude (H) | 6,4568 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,837 |
| Geometric albedo | 0,1803 |
| Spectral class | Sk |
Discovery Circumstances
| Discoverer | Annibale de Gasparis |
| Discovered | 1850-05-11 |
Data File
| Data File Name | 11_Parthenope.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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