So, 1309 Hyperborea is a really long and fancy-sounding name. Basically, it's the name of a place or planet that people talk about sometimes. It's just like when you have a name, like "Timmy" or "Sophia", and that's how people call you.
Now, Hyperborea is a made-up place that people dream up in their heads. Sometimes when people create stories or movies, they like to make up imaginary places for their characters to live in. Think of it like your imaginary friend that you might play pretend with sometimes.
The number 1309 is just a way to give a specific name to this imaginary place, so people can easily talk about it and remember it. It's like how you might give a name to your favorite toy or stuffed animal, so you don't forget what it's called.
So, in summary, 1309 Hyperborea is just a fancy name for an imaginary place that people talk about sometimes. It's not a real place, just like your imaginary friend isn't a real person.