101 Helena was discovered on 31 December 2006 by James Craig Watson, who later died in Madison, Wisconsin.
The Ariane 5, was manufactured by Airbus Defence and Space and its launch site was, ELA-3 launchpad. The final flight of the Ariane 5 was on 2004-12-18.
101 Helena | discoverer | James Craig Watson 101 Helena | epoch | 2006-12-31 James Craig Watson | death place | Madison, Wisconsin Ariane 5 | launch site | ELA-3 Ariane 5 | manufacturer | Airbus Defence and Space Ariane 5 | final flight | 2004-12-18