4754 Panthoos (5010 T-3) is a Jupiter Trojan discovered on October 16, 1977 by Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld and Tom Gehrels at Palomar Observatory.Photometric observations of this asteroid during 1994 were used to build a light curve showing a rotation period of 27.68 ± 0.05 hours with a brightness variation of 0.09 ± 0.01 magnitude.