(28) Bellona
Asteroid (28) Bellona |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2,776 AU |
eccentricity | 0.15 |
Perihelion - aphelion | 2.359 AU - 3.193 AU |
Inclination of the orbit plane | 9.4 ° |
Length of the ascending node | 144.3 ° |
Argument of the periapsis | 344.4 ° |
Time of passage of the perihelion | March 9, 2011 |
Sidereal period of rotation | 4 a 228 d |
Mean orbital velocity | 17.8 km / s |
Physical Properties | |
Medium diameter | 121 km |
Albedo | 0.18 |
Rotation period | 15 h 42 min |
Absolute brightness | 7.1 likes |
Spectral class (according to Tholen) |
S. |
Spectral class (according to SMASSII) |
S. |
history | |
Explorer | KTR Luther |
Date of discovery | March 1, 1854 |
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. |
(28) Bellona is an asteroid of the main belt that was discovered on March 1, 1854 by Karl Theodor Robert Luther at the Düsseldorf observatory . The celestial body was named after Bellona , a goddess of war from Roman mythology .
Bellona has a diameter of 121 kilometers. It has a light, silicate-rich surface with an albedo of 0.18.
It rotates around its own axis in around 15 hours and 42 minutes.