1 Eris is the most massive dwarf planet in the Solar System, exceeding Plutoâs mass by 28%. As such, it was a serious contender to be a tenth planet but failed to meet the criteria set out by the International Astronomical Union in 2006.  Eris was named after the Greek goddess of discord.
According to the American Urological Association, the time to pass stones located in ureters -- tubes leading from the kidneys to the bladder -- is an average of 8 days for stones less than 2 mm, 12 days for stones between 2 and 4 mm and 22 days for stones between 4 and 6 mm.
A kidney stone may not cause symptoms until it moves around within your kidney or passes into your ureter â the tube connecting the kidney and bladder.At that point, you may experience these signs and symptoms: 1  Severe pain in the side and back, below the ribs. 2  Pain that spreads to the lower abdomen and groin. kidney stone may not cause symptoms until it moves around within your kidney or passes into your ureter â the tube connecting the kidney and bladder. At that point, you may experience these signs and symptoms: