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.
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