(164) Eve
|
Asteroid (164) Eva |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2,633 AU |
| eccentricity | 0.345 |
| Perihelion - aphelion | 1.724 AU - 3.542 AU |
| Inclination of the orbit plane | 24.5 ° |
| Length of the ascending node | 77.1 ° |
| Argument of the periapsis | 283.4 ° |
| Time of passage of the perihelion | September 10, 2009 |
| Sidereal period | 4 a 99 d |
| Mean orbital velocity | 17.8 km / s |
| Physical Properties | |
| Medium diameter | 105 ± 1.9 km |
| Albedo | 0.0447 |
| Rotation period | 13 h 40 min |
| Absolute brightness | 8.89 likes |
| Spectral class | CX |
| history | |
| Explorer | PP Henry |
| Date of discovery | July 12, 1876 |
| 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. | |
(164) Eva is an asteroid of the main asteroid belt discovered by Paul Pierre Henry on July 12, 1876 .
Eva has a somewhat irregular, eccentric orbit that is strongly inclined towards the ecliptic . It moves between 1.7282 ( perihelion ) astronomical units to 3.5409 astronomical units ( aphelion ) in 4.276 years around the sun . The orbit is inclined 24.4782 ° to the ecliptic, the orbital eccentricity is 0.3440.
Eva has a diameter of 105 km. It has a dark carbon-rich surface with an albedo of 0.055. It rotates around its own axis in around 13 hours and 40 minutes.