Claim: 1590 Tsiolkovskaja was discovered July 1, 1933 and is located in the main belt of Flora.
Evidence: 1590 Tsiolkovskaja, provisional designation 1933 NA, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 11 kilometers in diameter. main-belt · Flora It was discovered on 1 July 1933, by Soviet–Russian astronomer Grigory Neujmin at Simeiz Observatory, on the Crimean peninsula. 
1590 Tsiolkovskaja, provisional designation 1933 NA, is a stony Flora asteroid from the inner regions of the asteroid belt, approximately 11 kilometers in diameter. 1 July 1933 main-belt · Flora