339 Dorothea

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339 Dorothea
Discovered by Max Wolf
Discovery date September 25, 1892
Named after Dorothea Klumpke
Alternative names 1892 G
Minor planet category Main belt (Eos)
Orbital characteristics[1]
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 494.526 Gm (3.306 AU)
Perihelion 407.842 Gm (2.726 AU)
Semi-major axis 451.184 Gm (3.016 AU)
Eccentricity 0.096
Orbital period 1913.077 d (5.24 a)
Average orbital speed 17.15 km/s
Mean anomaly 205.657°
Inclination 9.941°
Longitude of ascending node 173.863°
Argument of perihelion 159.341°
Physical characteristics
Dimensions 38.0 km
Spectral type SK
Absolute magnitude (H) 9.24

339 Dorothea is a large main belt asteroid that was discovered by German astronomer Max Wolf on September 25, 1892 in Heidelberg.

This is a member of the dynamic Eos family of asteroids that were probably formed as the result of a collisional breakup of a parent body.[2]


  1. ^ Yeomans, Donald K., "339 Dorothea", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-30. 
  2. ^ Veeder, G. J. et al. (March 1995), "Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry", Icarus 114: 186–196, Bibcode:1995Icar..114..186V, doi:10.1006/icar.1995.1053, retrieved 2013-04-06.