In "Two Days and Two Nights", the NX-classEnterprise, set a milestone twenty-five years after Travis Mayweather was born on his father's ship while it was on the Vega-Draylax cargo run, by becoming the first Earth ship to travel 90 light years away from the Sol system.
According to the Star Trek: Star Charts (pgs. 36, 44, "United Federation of Planets I"), Vega IX (or Vega Colony) was, in the mid-22nd century, an important trading world on the Earth trade routes. Vega colony traded with Draylax and Earth in the mid-22nd century. In 2378, Vega IX was located in Federation space. The planet was a destination on the major space lanes. It was a Federation member.