Complex sentence: It has, however, a well-observed orbit with the lowest possible condition code and an observation arc that spans over a period of more than a decade, since it was first observed in 2003, but not identified as a new asteroid until 2008.
Split into simpler sentences: It has, however, a well-observed orbit with the lowest possible condition code and an observation arc that spans over a period of more than a decade. It was first observed in 2003, but not identified as a new asteroid until 2008.