I don't know how we keep missing Venus let alone all those yellow dots!
They don't have an actual count, only estimates, and probably won't have an actual count for a century or more, depending on technological advances. But it's got to be in the billions.
Then, of course, there are the mavericks, that zip through the Solar System from regions beyond and from every direction...
Well, that’s by far not to scale, and it’s a whole Earth year in eight seconds or so.