683 Lanzia
683 Lanzia is a minor planet orbiting the Sun. It was discovered July 23, 1909, by Max Wolf at the Landessternwarte Heidelberg-Königstuhl observatory and was named after Named in honor of Lanz, founder of the Heidelberg Academy of Sciences. Photometric observations made in 2003 at the Santana Observatory in Rancho Cucamonga, California, give a synodic rotation period of 8.63 ± 0.005 hours. The light curve shows a brightness variation of 0.15 ± 0.04 in magnitude.
Observations during two last occultation 18 and 22 December 2010, C. Schnabel - S. Estebe, J. Rovira - Moja ) measured a 122.5 km diameter and an Albedo of 0.0705 compatible with carbonaceous asteroids.
