How long did Sandy Rockett live?

Three-body Ding Yi lived for 500 years. The three-body invasion occurred 400 years after the news was sent out by the three-body, and Rockett died in Wen Chao Road, which happened after the three-body invasion, and Rockett lived for 500 years. Ding Yi is a character in Liu's science fiction. Famous physicists appeared in novels such as Collapse of the Universe, Microscopic End, Wen Chaodao, Three-body, Spherical Lightning and Time Migration, so they were nicknamed sextant by netizens.