227 Philosophia

From Wikipedia, the free encyclopedia
Jump to: navigation, search
227 Philosophia
Discovery
Discovered by P.P. Henry
Discovery date August 12, 1882
Designations
Named after
Philosophy
A919 AA, 1933 SD1,
1949 OO1
Main belt
Orbital characteristics[1]
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 564.979 Gm (3.777 AU)
Perihelion 378.046 Gm (2.527 AU)
471.513 Gm (3.152 AU)
Eccentricity 0.198
2043.817 d (5.6 a)
16.78 km/s
57.849°
Inclination 9.148°
327.808°
262.118°
Physical characteristics
Dimensions 87.0 km
8.7

227 Philosophia is a large main-belt asteroid that was discovered by the French astronomer Paul-Pierre Henry on August 12, 1882, in Paris and named after the topic of philosophy. Based upon photometric observations, it has a synodic rotation period of 52.98 ± 0.01 with a brightness variation of 0.15 ± 0.02 in magnitude.[2]

References[edit]

  1. ^ Yeomans, Donald K., "227 Philosophia", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-30. 
  2. ^ Pilcher, Frederick; Alkema, Michael S. (July 2014), "Rotation Period Determination for 227 Philosophia", The Minor Planet Bulletin 41 (3): 188–189, Bibcode:2014MPBu...41..188P. 

External links[edit]