e-file Pending over 48 hours. Want to make sure it's received in time for me to qualify for stimulus payment.

I did not file in 2018 and I only e-filed my 2019 return a couple of days ago, and as such I have not yet received my stimulus money, which is understandable. However the status of that 2019 submission is still pending. If it's not accepted by Oct 15th will I still get my stimulus money? What if it's rejected? Should I print and mail my return just to be safe?