Asteroid 60 Echo
Named after Echo, a nymph 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 | 2443986,5 |
| Semi major axis | 2,3931 AU |
| Period [Julian yrs] | 3,702 Julian years |
| Inclination | 3,588 ° |
| Eccentricity | 0,1841 |
| Lon. of ascending node | 192,288 ° |
| Argument of perihelion | 269,359 ° |
| Passage of perihelion | 1980-Feb-16.654202 |
| Aphelion distance | 2,8336 AU |
| Mean anomaly | 280,222 ° |
Physical Data
| Radius | 30,10 km |
| Rotation period | 25,206 days |
| Absolute magnitude (H) | 8,2618 |
| Magnitude Slope (G) | 0,27 |
| Color index (B-V) | 0,854 |
| Geometric albedo | 0,2535 |
| Spectral class | S |
Discovery Circumstances
| Discoverer | James Ferguson |
| Discovered | 1860-09-14 |
Data File
| Data File Name | 60_Echo.aed |
| Data File Date | 2006-07-19 |
| Data File Size | 2714 kB |
| Covered Period | 1800,00 - 2100,00 |
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