Visual Imaging and Photometry of (29981) 1999 TD10 V1.0

The outer solar system object (29981) 1999 TD10 was observed in the R band in September 2001, and in B, V, R, and I in October 2002. We derive B-V=0.80+/-0.05mag, V-R=0.48+/-0.05mag, and R-I=0.44+/-0.05mag. Combining our data with the data from Rousselot et. al. 2003, we derive a synodic period of 15.382+/-0.001hr in agreement with the period from Rousselot et. al. 2003. Our observations show no evidence of a coma.