(2333) Porthan
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Asteroid (2333) Porthan |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Adeona family |
| Major semi-axis | 2.6457 AU |
| eccentricity | 0.1367 |
| Perihelion - aphelion | 2.2842 AU - 3.0073 AU |
| Inclination of the orbit plane | 11.927 ° |
| Sidereal period | 4,304 a |
| Mean orbital velocity | 18.31 km / s |
| Physical Properties | |
| Medium diameter | 21.59 km |
| Albedo | 0.0952 |
| Rotation period | 27.78 h |
| Absolute brightness | 11.77 likes |
| history | |
| Explorer | Yrjö Väisälä |
| Date of discovery | March 3, 1943 |
| Another name | 1943 EP, 1926 GZ, 1939 HJ |
| 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. | |
(2333) Porthan is an asteroid of the main belt , which on 3 March 1943 by the Finnish astronomer Yrjö Väisälä at Turku was discovered.
The asteroid was named in honor of the eminent Finnish historian Henrik Gabriel Porthan .