(2333) Porthan
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 .