4009 Drobyshevskij

4009 Drobyshevskij, provisional designation 1977 EN1, is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt, approximately 16 kilometers (10 miles) in diameter. It was discovered on 13 March 1977, by Soviet–Russian astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula, and named after Russian astrophysicist Edward Drobyshevski. The C-type asteroid has a relatively short rotation period of 3.875 hours.

4009 Drobyshevskij

4009 Drobyshevskij, provisional designation 1977 EN1, is a carbonaceous Themistian asteroid from the outer regions of the asteroid belt, approximately 16 kilometers (10 miles) in diameter. It was discovered on 13 March 1977, by Soviet–Russian astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnij, on the Crimean peninsula, and named after Russian astrophysicist Edward Drobyshevski. The C-type asteroid has a relatively short rotation period of 3.875 hours.