Claim: 1590 Tsiolkovskaja was discovered July 1, 1933 and is located in the main belt of Flora, a prominent family of stony asteroids.
Evidence: It orbits the Sun in the inner main-belt at a distance of 1.9–2.6 AU once every 3 years and 4 months (1,217 days). Florian; FIN: 402; also known as Ariadne family) is a prominent family of stony asteroids located in the inner region of the asteroid belt.