227 Philosophia

227 Philosophia
3D model based on lightcurve data
Discovery
Discovered byP.P. Henry
Discovery date12 August 1882
Designations
(227) Philosophia
Pronunciation/fɪloʊˈsɒfiə/
Named after
Philosophy
A882 PA, 1919 AA
1933 SD1, 1949 OO1
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc108.20 yr (39519 d)
Aphelion3.7673 AU (563.58 Gm)
Perihelion2.56007 AU (382.981 Gm)
3.16366 AU (473.277 Gm)
Eccentricity0.19079
5.63 yr (2055.3 d)
16.78 km/s
71.2570°
0° 10m 30.554s / day
Inclination9.1539°
326.254°
267.020°
Physical characteristics
Dimensions87.31±2.4 km
52.98 h (2.208 d)
0.0768±0.004
9.1

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

  1. ^ Yeomans, Donald K., "227 Philosophia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, archived from the original on 1 September 2014, retrieved 12 May 2016.
  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.


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