Nice atmospheric piece, love the stereo separation throughout the whole song.
Sounds are very well chosen, props to that. :)
Especially love that synth at 1:12!
- I feel that at some points the main need would benefit of more layers.
- Also I feel that ending part (2:20 - onwards) was kinda too random with that main melody and counter-melodies. Playing with harmony at that part could be useful.
To sum up - enjoyed it and totally see it as some epic space-ish game soundtrack.
Atmosphere's well delivered.
Keep it up!