(19) Fortuna
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Asteroid (19) Fortuna 
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2,443 AU |
| eccentricity | 0.1577 |
| Perihelion - aphelion | 2.057 AU - 2.828 AU |
| Inclination of the orbit plane | 1.57 ° |
| Length of the ascending node | 211.2 ° |
| Argument of the periapsis | 182.1 ° |
| Time of passage of the perihelion | August 5, 2009 |
| Sidereal period | 3 a 299 d |
| Mean orbital velocity | 18.9 km / s |
| Physical Properties | |
| Medium diameter | 200 km |
| Dimensions | approx. 1.2 · 10 19 kg |
| Albedo | 0.037 |
| Medium density | approx. 2 g / cm³ |
| Rotation period | 7.44 h |
| Absolute brightness | 7.13 mag |
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Spectral class (according to Tholen) |
G |
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Spectral class (according to SMASSII) |
Ch |
| history | |
| Explorer | JR Hind |
| Date of discovery | August 22, 1852 |
| Another name | A902 UG |
| 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. | |
(19) Fortuna is an asteroid of the main asteroid belt discovered by John R. Hind on August 22, 1852 as the nineteenth asteroid.
The heavenly body was named after Fortuna , the Roman goddess of luck and fate.
Fortuna moves between 2.1 ( perihelion ) astronomical units to 2.8 astronomical units ( aphelion ) in 1394 days around the sun. The orbit is inclined 1.6 ° to the ecliptic , the orbit eccentricity is 0.16.
With a mean diameter of 200 km, Fortuna is one of the larger asteroids in the main belt. It has a dark surface. It rotates around its own axis in around 7 hours and 27 minutes.