(60) echo
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Asteroid (60) echo |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Inner main belt |
| Major semi-axis | 2.393 AU |
| eccentricity | 0.183 |
| Perihelion - aphelion | 1,954 AU - 2,832 AU |
| Inclination of the orbit plane | 3.6 ° |
| Length of the ascending node | 191.6 ° |
| Argument of the periapsis | 271.1 ° |
| Time of passage of the perihelion | October 8, 2009 |
| Sidereal period | 3 a 257 d |
| Mean orbital velocity | 19.1 km / s |
| Physical Properties | |
| Medium diameter | approx. 42 km |
| Albedo | 0.373 |
| Rotation period | 25 h 12 min |
| Absolute brightness | 8.21 likes |
| Spectral class | S. |
| history | |
| Explorer | James Ferguson |
| Date of discovery | September 14, 1860 |
| Another name | A899 EB |
| 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. | |
(60) Echo is a main inner belt asteroid discovered on September 14, 1860 by the Scottish-born astronomer James Ferguson .
The celestial body was initially named "Titania", not knowing that this name was already given for a Uranus moon . The celestial body was therefore renamed after Echo , a nymph from Greek mythology .
See also
- List of asteroids with references and web links (see also infobox)