It is not who you are or what you believe that determines where you will spend eternity. It all depends on whom you are following. If you do not FOLLOW and OBEY Jesus Christ you WILL NOT have eternal life and you will not enter the kingdom of heaven.
The kingdom of heaven already starts right now and if you do not serve Jesus Christ as LORD and follow Him right now then you are not part of His kingdom. You might say that you believe in Jesus but if you do not follow and OBEY Him then you will not have eternal life and then you are not of Him. It is only those who FOLLOW and OBEY Jesus Christ, who deny themselves, pick up their cross and follow Jesus Christ every day, led by His Holy Spirit, DOING what He tells them to do, it is only they who will have eternal life. Only they are children of God.
May Jesus bless you.