I think it might be OK to do this -- but it's not gripping enough for me. (It's unconventional, and probably with the good reason that we'd rather get involved with a character.)But if you do this summary at some point, there's still a problem. You have 2 statements:
* A human probe is discovered 4.5 billion years after humanity is gone
* Earth is inhabited, but by another alien race, which knows about us.
Each is significant, and deserves exploration (probably with characters). But we find out almost nothing about the first situation before jumping to the next.
As others suggest: I'd say give us a character, put us in its life, and we can pick up these facts as we go.
Over 4.5 billion years after the human years faded from existence, one of its [whose?] probes crash landed on an INHABITED planet AND WAS EXAMINED BY ALIENS.
another intelligent species resided upon the earth, cultivating its natural resources, and communicating with its semi-intelligent native life. Signs had shown that a once very intelligent species occupied it, but either died out, or left…