Asteroid 103 Hera
Named after Hera, queen of the gods in Greek mythology.
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This file is not available for download, but provided by the Alcyone Ephemeris Small Body Data File DVD.
| Classification | Main-belt Asteroid |
Osculating Orbital Elements
| Epoch | 2454200,5 |
| Semi major axis | 2,7028 AU |
| Period [Julian yrs] | 4,444 Julian years |
| Inclination | 5,421 ° |
| Eccentricity | 0,0797 |
| Lon. of ascending node | 136,273 ° |
| Argument of perihelion | 190,169 ° |
| Passage of perihelion | 2006-Jan-27.668135 |
| Aphelion distance | 2,9181 AU |
| Mean anomaly | 97,005 ° |
Physical Data
| Radius | 45,60 km |
| Rotation period | 23,74 days |
| Absolute magnitude (H) | 7,66 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,853 |
| Geometric albedo | 0,1833 |
| Spectral class | S |
Discovery Circumstances
| Discoverer | James Craig Watson |
| Discovered | 1868-09-07 |
Data File
| Data File Name | 103_Hera.aed |
| Data File Date | 2006-12-22 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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