152858 1999 XN35

152858 1999 XN35 is a Mars-crossing asteroid discovered by LONEOS at Anderson Mesa in 1999. A total of 501 data points were obtained over seven nights using a clear filter during the period 2012 October 19 to November 22 including solar phaseangles between –18.6° to +19.7°. The average magnitude was 16.4 and average SNR was 51. The lightcurve shows a period of 2.990 ± 0.001 h and amplitude of 0.18 ± 0.03 mag, suggesting that the asteroid rotated 272 times during the period of observation. These findings were published in the Minor Planet Bulletin, Volume 40, Number 2, 2013April - June.