So, I don't remember a whole lot from this movie except some general stuff and parts.
The movie is about a big spaceship shaped like a big icicle:

(something like that)
Now I'm not 100% sure, but if I recall the main characters where white bears.
While going to China on earth they found panda's eating bamboo.
The spaceship was made of ice, so couldn't handle the sun and only fly while it was dark.
If I remember more about this I'll let you know.
Thank you :)
*The movie was made before 1997