This will be a tough observation and will require a large instrument.
The object is too far north around closest approach to be visible from Australia. It will be visible between midnight and morning on Oct 31 but will be between mag 13 and mag 12.5.
Use the Minor Planet Ephemeris Service to generate predictions for your observing location.
http://www.minorplanetcenter.net/iau/MPEph/MPEph.html
Peter Thomas
Oakleigh