By 1958, the program had produced 3,500 photographic plates showing 12,000 asteroid images and had published about 2,000 accurate positions in the Minor Planet Circular.
In order to quantify the uncertainty in a perturbed orbital solution for a minor planet in a concise fashion, the Minor Planet Center (MPC) has introduced the U parameter.
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It was given the asteroid designation 2010 KQ by the Minor Planet Center in Cambridge, Massachusetts, who identified its orbit as being very similar to that of the Earth.
Noted Planet X sceptic Brian Marsden of Harvard University's Minor Planet Center pointed out that these discrepancies were a hundred times smaller than those noticed by Le Verrier, and could easily be due to observational error.