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The results of studies of 2006 VV2 and 13170 (1999 HF1) binary asteroids ofNEA group, (45) Eugenia and (87) Sylvia triple asteroids, (762) Pulcova and(90) Antiope binary asteroids of the Main Belt are presented. For the asteroid2006 VV2, color indices (B-V, V-R, R-I), the absolute magnitude (16.7 \pm0.2m), a taxonomy class, the density (2.71 \pm 0.04 g/cm3), the masses ofcomponents as well as refined form of the main component and the satelliteorbit were determined. For the (45) Eugenia asteroid, refined form the maincomponent, simulated orbits of both satellites were determined and it wasshowed that the axis of rotation of the main component undergoes a forcedprecession with an angle of 10 deg and a period of 66 days. Based on acomparison of model lightcurves with observations over a long interval of timeof (90) Antiope asteroid, reflective surface properties of its components wereinvestigated. For asteroid (762) Pulcova, form of the main component wasdetermined and the reflective properties of its surface were investigated. Forasteroid 137170 (1999 HF1), estimates of the size of the main component (a =2.12 \pm 0.02, b = 1.77 \pm 0.01, c = 1.73 \pm 0.03 km) were made and possiblestable orbit of the satellite (with the elements of a~6.2 km, e~0.1, i~2 deg)was identified and of component masses were estimated. For the asteroid (87)Sylvia, form the main component was refined.

Investigation of multiple asteroids 2006 VV2, (45) Eugenia, (90) Antiope, (762) Pulcova, (87) Sylvia, 137170 (1999 HF1)