Robert S. McMillan (astronomer)

Robert S. McMillan is an American astronomer at the University of Arizona, and heads the Spacewatch project, which studies minor planets. He has made various discoveries, including notably 20000 Varuna.

On October 19, 2008, he discovered a short-periodic comet 208P/McMillan.

In 1977 McMillan received his Ph.D. from the University of Texas at Austin.