[5] Sadeya's observation arc begins 2 months after its official discovery with a precovery taken at Yerkes Observatory.
[2] The official naming citation was published by the Minor Planet Center on 30 January 1964 (M.P.C.
These numerous rotational lightcurves were obtained by ESO astronomers, Julian Oey, Pierre Antonini, Ramon Naves, Enric Forné, Hilari Pallares, Brian Warner and Vladimir Benishek between 1996 and 2014.
[3] On 1 December 2020, the discovery of a satellite in orbit of Sadeya was announced by Vladimir Benishek, Petr Pravec, and several other collaborators.
The minor-planet moon measures approximately 3.81 kilometers (2.4 miles) in diameter, or 26% that of its primary, and has an orbital period of about 51.3 hours.