48643 Allen-Beach = 1995 UA2 = 2000 AL55 home page for48643 Allen-Beach"48643" looks like it might be a Michigan Zip code, and "Allen-Beach" sounds like it could be a nice place to hang out on a Summer's day, but "48643 Allen-Beach" is neither so close nor so warm. It orbits the Sun out past Mars in the middle of Zone I, the closest region of the asteroid Main Belt. From its brightness, this object is estimated to be roughly 2.1 km. (1.3 miles) wide. It was discovered on 20 October 1995 by Piero Sicoli and Francesco Manca at Sormano Observatory in Italy and designated 1995 UA2. It was subsequently numbered "48643" in the 21 August 2002 numberings from the International Astronomical Union Minor Planet Center and named "Allen-Beach" in the 6 May 2004 namings. 
EasySky screen shot Official announcement: 
Asteroid/Comet Connection publishers Bill Allen and Sally Beach (husband and wife, and longtime publishing partners) sincerely thank Piero Sicoli, Francesco Manca, and Sormano Observatory for this very special honor. Observing historyThe (48643) Allen-Beach pages at the Asteroids Dynamic Site (AstDyS) at the University of Pisa has orbital and other information and a link to formatted observational details. At last check there have been 282 astrometric positions reported over 15.4 years, with both the earliest and latest coming from the Spacewatch 0.9-meter telescope in Arizona, from 25 January 1993 through 24 June 2008.
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