556 Phyllis

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556 Phyllis
556Phyllis (Lightcurve Inversion).png
A three-dimensional model of 556 Phyllis based on its light curve.
Discovery
Discovered by Paul Götz
Discovery site Heidelberg
Discovery date 8 January 1905
Designations
1905 PW
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 108.29 yr (39553 d)
Aphelion 2.7179 AU (406.59 Gm)
Perihelion 2.2115 AU (330.84 Gm)
2.4647 AU (368.71 Gm)
Eccentricity 0.10273
3.87 yr (1413.4 d)
301.06°
0° 15m 16.956s / day
Inclination 5.2400°
286.126°
177.439°
Earth MOID 1.22684 AU (183.533 Gm)
Jupiter MOID 2.40412 AU (359.651 Gm)
Jupiter Tisserand parameter 3.475
Physical characteristics
Mean radius
18.905±0.55 km
4.293 h (0.1789 d)
0.1853±0.011
9.56

556 Phyllis is a minor planet orbiting the Sun. It is an S-type asteroid with a diameter of 38 km and a geometric albedo of 0.185. Based on photometric observations between 1998 and 2006, it has a synodic rotation period of 4.293 ± 0.001 hours.[2]

References[edit]

  1. ^ "556 Phyllis (1905 PW)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016. 
  2. ^ Marciniak, A.; et al. (October 2007), "Photometry and models of selected main belt asteroids. IV. 184 Dejopeja, 276 Adelheid, 556 Phyllis", Astronomy and Astrophysics, 473 (2): 633–639, Bibcode:2007A&A...473..633M, doi:10.1051/0004-6361:20077694. 

External links[edit]