It should be noted though that objects need to have a minimum mass of around 10²¹ kg to be able to hold an atmosphere, so that excludes a lot of the smaller objects. An atmosphere is important because it gives potential settlers a constant source of gases (e.g. CO₂), stabilizes the temperature between night and day, and protects them somewhat from radiation.

I was looking for “earth” for way too long before realising

Where’s Jupiter? And Mars is smaller than Earth?

I don’t think I understand this map.