(5573) Hilarydownes = 1981 QX
Planetku objevil A. Mrkos 24. srpna 1981 na Kleti.
 Hilary Downes (b. 1954) is a planetary petrologist at Birkbeck College London. She is a terrestrial mantle expert, and her planetary science research seeks to understand the geological evolution of the ureilite meteorite parent body.
 (MPC 100621 -- 11. července 2018)


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(c) 2001-2011, Observatoř Kleť, České Budějovice