(117329) Spencer = 2004 XJ6
Henry Spencer (b. 1955) is a Canadian computer scientist and
small-satellite engineer. He has been a pioneer of open-source software,
including C News and the "regex" pattern-matching library. He is also the
keeper of the oldest surviving Usenet archives and the software architect
for the MOST astronomy satellite.
A complete set of naming citations of the numbered minor planets is available in the Dictionary of Minor Planet Names, edited by Lutz Schmadel.