(159) Aemilia
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Asteroid (159) Aemilia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Outer main belt |
| Asteroid family | Aemilia family |
| Major semi-axis | 3,099 AU |
| eccentricity | 0.111 |
| Perihelion - aphelion | 2.756 AU - 3.442 AU |
| Inclination of the orbit plane | 6.1 ° |
| Length of the ascending node | 134.3 ° |
| Argument of the periapsis | 334.9 ° |
| Time of passage of the perihelion | November 24, 2007 |
| Sidereal period | 5 a 166 d |
| Mean orbital velocity | 16.9 km / s |
| Physical Properties | |
| Medium diameter | 125 km |
| Albedo | 0.0639 |
| Rotation period | 16 h 22 min |
| Absolute brightness | 8.12 likes |
| Spectral class | C. |
| history | |
| Explorer | PP Henry |
| Date of discovery | January 26, 1876 |
| Another name | 1959 EG 1 |
| 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. | |
(159) Aemilia is an asteroid of the main outer asteroid belt discovered by Paul Pierre Henry on January 26, 1875 .
The celestial body was named after the Via Aemilia Scaura , an ancient Roman road .
Aemilia ranges from 2.7532 ( perihelion ) astronomical units to 3.4448 astronomical units ( aphelion ) in 5.456 years around the sun . The orbit is 6.1290 ° inclined to the ecliptic , the orbit eccentricity is 0.1116.
Aemilia has a diameter of 121 km. It has a dark carbon-rich surface with an albedo of 0.064.
It rotates on its own axis in 25 hours.