In this task, you are given a sentence in the English language and your task is to convert it into the Japanese language. In translation, keep numbers as it is and make it sentence case (capitalize only the first word of each sentence and noun).
Q: The largest extrasolar planet or exoplanet has been discovered orbiting the star GSC 02620-00648, around 1,435 light years away.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
最大の太陽系外惑星、または系外惑星が、約1435光年遠くで、GSC02620-00648星の軌道上を回っているのが発見された。