Lightcurve results for 11576 1994 CL.
No reliable period could be determined.
Asteroid 11576 1994 CL is a main belt asteroid with an estimated diameter of 10 km. It was discovered on 3 February 1994 by T. Kobayashi at Oizumi. The semi-major axis is 2.16 AU, the eccentricity is 0.134 and the inclination is 10.91 degrees.
This asteroid was observed on 2 nights during June 2013 when it was in the field of another asteroid I was observing. Each night only covered a small portion of the period and so no reliable period could be determined.