On Thu, 1 Feb 2018 21:23:59 -0800, ultred ragnusen
wrote:

Can someone explain to me how you lose (and then find) a satellite?
https://www.washingtonpost.com/news/...lost-in-space/

Since the thing is orbiting earth, why can't NASA just look up in the sky
with a telescope to find it?

Did you read the article? Start there, then come back if you still have
questions.