Asteroid 59 Elpis
Named after Elpis, a personification of hope 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 | 2450851,5 |
| Semi major axis | 2,7118 AU |
| Period [Julian yrs] | 4,466 Julian years |
| Inclination | 8,647 ° |
| Eccentricity | 0,1194 |
| Lon. of ascending node | 170,358 ° |
| Argument of perihelion | 211,130 ° |
| Passage of perihelion | 1999-Jun-19.706053 |
| Aphelion distance | 3,0356 AU |
| Mean anomaly | 250,152 ° |
Physical Data
| Radius | 82,40 km |
| Rotation period | 13,69 days |
| Absolute magnitude (H) | 7,8531 |
| Magnitude Slope (G) | 0,15 |
| Color index (B-V) | 0,662 |
| Geometric albedo | 0,0438 |
| Spectral class | B |
Discovery Circumstances
| Discoverer | Jean Chacornac |
| Discovered | 1860-09-12 |
Data File
| Data File Name | 59_Elpis.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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