This paper has been prepared by the Astrodynamics Committee of the IAF
(International Astronautical Federation). It describes a selection of
noteworthy developments in the general area of astrodynamics that hav
e occurred over the last few years. The purpose of this paper is to re
call these highlights and their backgrounds for the benefit of the ast
rodynamics research community and for the attention of a wider audienc
e. (C) 1998 Published by Elsevier Science Ltd.