5283 Pyrrhus

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Pyrrhus
Discovery
Discovered by C. S. Shoemaker
Discovery site Palomar
Discovery date 31 January 1989
Designations
MPC designation 5283
Named after
Neoptolemus
1989 BW
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 23508 days (64.36 yr)
Aphelion 5.9752 AU (893.88 Gm)
Perihelion 4.4278 AU (662.39 Gm)
5.2015 AU (778.13 Gm)
Eccentricity 0.14875
11.86 yr (4333.02 d)
152.958°
0° 4m 59.099s / day
Inclination 17.485°
71.161°
356.383°
Earth MOID 3.44129 AU (514.810 Gm)
Jupiter MOID 0.617952 AU (92.4443 Gm)
Jupiter Tisserand parameter 2.886
Physical characteristics
Dimensions 82 km[2]
Mean radius
32.29 ± 2.5 km
7.323 h (0.3051 d)
0.0807 ± 0.014
9.3,[2] 9.7[1]

5283 Pyrrhus (1989 BW) is a Jupiter Trojan discovered on January 31, 1989 by C. S. Shoemaker at Palomar.

Photometric observations of this asteroid during 2002 were used to build a light curve showing a rotation period of 7.323 ± 0.003 hours with a brightness variation of 0.11 ± 0.01 magnitude.[2]

References[edit]

  1. ^ a b "5283 Pyrrhus (1989 BW)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 13 April 2016. 
  2. ^ a b c Mottola, Stefano; Di Martino, Mario; Erikson, Anders; Gonano-Beurer, Maria; Carbognani, Albino; Carsenty, Uri; Hahn, Gerhard; Schober, Hans-Josef; Lahulla, Felix; Delbò, Marco; Lagerkvist, Claes-Ingvar (May 2011). "Rotational Properties of Jupiter Trojans. I. Light Curves of 80 Objects". The Astronomical Journal 141 (5): 170. Bibcode:2011AJ....141..170M. doi:10.1088/0004-6256/141/5/170. 

External links[edit]