(4721) Atahualpa
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Asteroid (4721) Atahualpa |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.2543 AU |
| eccentricity | 0.1218 |
| Perihelion - aphelion | 1.9796 AU - 2.529 AU |
| Inclination of the orbit plane | 4.367 ° |
| Sidereal period | 3,385 a |
| Mean orbital velocity | 19.84 km / s |
| Physical Properties | |
| Medium diameter | ? km |
| Dimensions | ? kg |
| Albedo | ? |
| Medium density | ? g / cm³ |
| Rotation period | ? |
| Absolute brightness | 13.6 mag |
| Spectral class | ? |
| history | |
| Explorer |
CJ van Houten , T. Gehrels |
| Date of discovery | 29th September 1973 |
| Another name | 4239 T-2, 1983 RO 8 , 1989 GH 5 |
| 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. | |
(4721) Atahualpa is an asteroid of the main belt that was discovered on September 29, 1973 by the research team Cornelis Johannes van Houten and Tom Gehrels as part of the Palomar-Leiden survey .
The asteroid is named after Atahualpa , a ruler of the Incas .