(134) Sophrosyne
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Asteroid (134) Sophrosyne |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.564 AU |
| eccentricity | 0.116 |
| Perihelion - aphelion | 2.267 AU - 2.861 AU |
| Inclination of the orbit plane | 11.6 ° |
| Length of the ascending node | 346 ° |
| Argument of the periapsis | 84.9 ° |
| Time of passage of the perihelion | November 9, 2009 |
| Sidereal period | 4 a 39 d |
| Mean orbital velocity | 18.5 km / s |
| Physical Properties | |
| Medium diameter | 108 km |
| Albedo | 0.0364 |
| Rotation period | 17 h 12 min |
| Absolute brightness | 8.76 likes |
| Spectral class | C. |
| history | |
| Explorer | KTR Luther |
| Date of discovery | September 27, 1873 |
| 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. | |
(134) Sophrosyne is an asteroid of the main asteroid belt discovered by Karl Theodor Robert Luther on September 27, 1873 .
Sophrosyne (σοφροσύνη - Greek prudence) is one of the main human virtues , according to Socrates .
Sophrosyne moves between 2.264 ( perihelion ) astronomical units to 2.862 astronomical units ( aphelion ) in 4.10 years around the sun . The orbit is inclined 11.589 ° to the ecliptic , the orbital eccentricity is 0.117.
Sophrosyne has a diameter of 108 km. It has a dark carbon-rich surface with an albedo of 0.036. It rotates around its own axis in around 17 hours and 12 minutes.