(4715) 1989 TS1 is a Jupiter Trojan minor planet. It was discovered by Yoshiaki Oshima at the Gekko Observatory in Shizuoka Prefecture, Japan, on October 9, 1989.
Photometric observations of this asteroid during 1991 were used to build a light curve showing a rotation period of 8.8129 ± 0.0025 hours with a brightness variation of 0.46 ± 0.01 magnitude.
- ^ 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.