It feels really polished. The idea is cool. 
And controls are super fine! I mean every time I lose - I feel like it's only mine fail and not the game's. 
Sometimes I feel like colliders are bigger that I see but maybe it's just a feeling. 

I like dodging the asteroids. And it feels satisfying when two of them destroy each other behind you )
Also is the music become faster? Cool addition to the tense situation )

I want to note your game having mobile friendly controls and leaderboard which is not something you see often in game jam projects. Visuals and music are very nice too. The only thing the game is short on is the actual content. Some different types of asteroids, pickups and maybe powerups would add more depth to the gameplay.

So much fun! The ship gravity is a great idea for creating tense situations; I love weaving through asteroids only to have them smash together behind me! The leaderboard is a great idea too, I kept playing over and over again to raise my score. Also, I heard your cheeky use of the Interstellar theme >:)