PREDNASAJUCI / LECTURER : Marek Husarik NAZOV / TITLE : Complex model of large PHA asteroid and results for binary 1989 JA ABSTRAKT / ABSTRACT : I will talk about some selected results obtained during past years at the Skalnate Pleso Observatory. 1. Physical characteristics and shape model of PHA (52768) 1998 OR2. 2. Discovery and physical characteristics of binary asteroid 1989 JA in cooperation with radar in Goldstone. 3. Current work on binary asteroid (1990) Pilcher.