(295) Theresia
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Asteroid (295) Theresia |
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| Properties of the orbit ( animation ) | |
| Orbit type | Middle main belt |
| Major semi-axis | 2,795 AU |
| eccentricity | 0.172 |
| Perihelion - aphelion | 2.315 AU - 3.275 AU |
| Inclination of the orbit plane | 2.7 ° |
| Length of the ascending node | 276.1 ° |
| Argument of the periapsis | 148.5 ° |
| Time of passage of the perihelion | February 15, 2013 |
| Sidereal period | 4 a 245 d |
| Mean orbital velocity | 17.7 km / s |
| Physical Properties | |
| Medium diameter | 28 km |
| Albedo | 0.1930 |
| Rotation period | 10 h 42 min |
| Absolute brightness | 10.19 likes |
| Spectral class | S. |
| history | |
| Explorer | Johann Palisa |
| Date of discovery | 17th August 1890 |
| 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. | |
(295) Theresia is an asteroid of the main asteroid belt , which was discovered on August 17, 1890 by Johann Palisa at the observatory in Vienna .
Theresia moves at a distance of 2.3293 ( perihelion ) to 3.2704 ( aphelion ) astronomical units in 4.6850 years around the sun . The orbit is inclined 2.6980 ° to the ecliptic , the orbit eccentricity is 0.1681.
Theresia has a diameter of 28 kilometers. It has a light, silicate-rich surface with an albedo of 0.140.