(207) Hedda
Asteroid (207) Hedda |
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Properties of the orbit ( animation ) | |
Orbit type | Inner main belt |
Major semi-axis | 2.284 AU |
eccentricity | 0.029 |
Perihelion - aphelion | 2.218 AU - 2.35 AU |
Inclination of the orbit plane | 3.8 ° |
Length of the ascending node | 29.3 ° |
Argument of the periapsis | 194.6 ° |
Time of passage of the perihelion | October 22, 2012 |
Sidereal period | 3 a 165 d |
Mean orbital velocity | 19.7 km / s |
Physical Properties | |
Medium diameter | 59 km |
Albedo | 0.0552 |
Rotation period | 30 h 6 min |
Absolute brightness | 9.92 mag |
Spectral class | C. |
history | |
Explorer | Johann Palisa |
Date of discovery | October 17, 1879 |
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. |
(207) Hedda is an asteroid of the inner main asteroid belt , which was discovered on October 17, 1879 by Johann Palisa .
The name is derived from Hedwig , the wife of the astronomer Friedrich August Theodor Winnecke .
Hedda orbits the Sun at a distance of 2.2178 ( perihelion ) to 2.3499 ( aphelion ) astronomical units in 3.4515 years . The orbit is inclined 3.8034 ° to the ecliptic , the orbital eccentricity is 0.0289.
Hedda is 59 kilometers in diameter. It has a dark, carbon-rich surface with an albedo of 0.055.