1648 Shajna was discovered by P. Shajn , a Russian astronomer, on the 5th of September 1935.
P. Shajn 5 September 1935 Pelageya Fedorovna Shajn, nee Sannikova (  ) (1894  27 August 1956), was a Russian astronomer in the Soviet Union, and the first woman credited with the discovery of a minor planet, at the Simeiz Observatory in 1928. 
