-> 32 AU).  The other object is called UB313 and was spotted by 
  
Actually, it's called 2003 UB313. The 2003 is the year of its first 
observation (which was earlier than its recognition as a "planet"). 
There are other objects called UB313, in other years, so the year 
*must* be included to fully define the object. 
  
                                dow 
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