(315) Constantia
| Asteroid (315) Constantia | |
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid | 
| Major semi-axis | 2.242 AU | 
| eccentricity | 0.1678 | 
| Perihelion - aphelion | 1.866 AU - 2.618 AU | 
| Inclination of the orbit plane | 2.43 ° | 
| Length of the ascending node | 161.7 ° | 
| Argument of the periapsis | 172.7 ° | 
| Time of passage of the perihelion | 16th February 2019 | 
| Sidereal period | 3 a 130 d | 
| Mean orbital velocity | 19.8 km / s | 
| Physical Properties | |
| Medium diameter | approx. 6.5 km | 
| Albedo | 0.217 | 
| Rotation period | 5.345 h | 
| Absolute brightness | 12.5 mag | 
| history | |
| Explorer | Johann Palisa | 
| Date of discovery | September 4, 1891 | 
| 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. | |
(315) Constantia is an asteroid of the inner main asteroid belt , the September 4, 1891 by Johann Palisa the Observatory of Wien was discovered.
Constantia moves around the sun at a distance of 1.9 ( perihelion ) to 2.6 ( aphelion ) astronomical units in 3.4 years . The orbit is inclined 2.4 ° to the ecliptic , the orbital eccentricity is 0.17.
