(516) Amherstia
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Asteroid (516) Amherstia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2.68 AU |
| eccentricity | 0.274 |
| Perihelion - aphelion | 1.947 AU - 3.413 AU |
| Inclination of the orbit plane | 13 ° |
| Length of the ascending node | 328.9 ° |
| Argument of the periapsis | 258.3 ° |
| Time of passage of the perihelion | April 4, 2016 |
| Sidereal period | 4 a 141 d |
| Mean orbital velocity | 17.9 km / s |
| Physical Properties | |
| Medium diameter | approx. 65 km |
| Albedo | 0.202 |
| Rotation period | 7 h 29 min |
| Absolute brightness | 8.27 likes |
| Spectral class | M. |
| history | |
| Explorer | R. S. Dugan |
| Date of discovery | September 20, 1903 |
| Another name | 1903 MG, 1938 YO |
| 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. | |
(516) Amherstia is an asteroid of the main belt , which on 20 September 1903 by Raymond Smith Dugan was discovered.
The name is derived from Amherst College , Massachusetts , the alma mater Dugans.