[9] In August 2012, a rotational lightcurve of Leningrad was obtained from photometric observations by astronomers at the Oakley Southern Sky Observatory (E09).
Lightcurve analysis gave a rotation period of 5.296 hours with a brightness variation of 0.11 magnitude (U=2+).
[7] According to the surveys carried out by the Japanese Akari satellite, and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Leningrad measures 23.968 and 27.67 kilometers in diameter and its surface has an albedo of 0.060 and 0.085, respectively.
[3] This minor planet was named for Saint Petersburg, the second largest city of Russia after Moscow.
[2] The approved naming citation was published by the Minor Planet Center on 1 April 1980 (M.P.C.