Hii

First of all congratulations. You got a really good score which is above 50%. You will definitely get a good rank but it also depends on the difficulty level of the paper and the performance of remaining students.

The official key will be released on May 29 and results will be declared on June 10 at 10 am

And coming to your question of which rank it would fetch for you ,you can check through the rank predictor link below

https://engineering.careers360.com/jee-advanced-rank-predictor