Tags: Asteroid.
32731 Annaivanovna (provisional designation: 1968 OD1) is a main-belt minor planet. It was discovered by G. A. Plyugin and Yu. A. Belyaev at the Cerro El Roble Astronomical Station operated by the University of Chile on July 25 1968. It is named after Anna Ivanovna Plyugina a Russian astronomer at the Pulkovo Observatory and wife of Plyugin.