2121 Sevastopol, a stony Florian asteroid and synchronous binary system from the inner regions of the asteroid belt, was discovered by D. Higgins and company on July 23, 2010.
It was discovered on 27 June 1971, by Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula. 
2121 Sevastopol T. Smirnova 27 June 1971 
