If someone commits suicide, do they go to heaven?

My brother commited suicide 3 days ago and he was baptised, and he believed in God, and accepted him into his heart, so is he giong to heaven, he was only 19, he wanted to be a Marine, he would have made a great one, I am wondering because as his little brother being the 16 year old, 4th oldest, and 5th youngest I will always miss him, he was the biggest part of my family, and I want to see him when I pass, please answer this as nicely as possible because I am crying as I write this, and this is hard to bear, because everything reminds me of him. And I will always remember him, Thank You for reading this and for hopefully giving a sincere answer in advance