(375) Ursula
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Asteroid (375) Ursula |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Ursula family |
| Major semi-axis | 3.122 AU |
| eccentricity | 0.107 |
| Perihelion - aphelion | 2.788 AU - 3.456 AU |
| Inclination of the orbit plane | 16 ° |
| Length of the ascending node | 336.6 ° |
| Argument of the periapsis | 343 ° |
| Time of passage of the perihelion | April 8, 2009 |
| Sidereal period | 5 a 189 d |
| Mean orbital velocity | 16.8 km / s |
| Physical Properties | |
| Medium diameter | 216 km |
| Dimensions | 1.1 x 10 19 kg |
| Medium density | ≈ 2.0 g / cm³ |
| Absolute brightness | 7.5 likes |
| Spectral class | C. |
| history | |
| Explorer | Auguste Charlois |
| Date of discovery | September 18, 1893 |
| Another name | 1893 AL |
| 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. | |
(375) Ursula is a very large asteroid of the main asteroid belt , which was discovered on September 18, 1893 by Auguste Charlois at the Observatory of Nice .
Ursula moves at a distance of 2.8 ( perihelion ) to 3.5 ( aphelion ) astronomical units around the sun in around 5.5 years . The orbit is inclined 16 ° to the ecliptic , the orbital eccentricity is 0.11.
Ursula has a diameter of about 216 kilometers. The albedo of its surface is 0.05.