520
xkcd #2925: Earth Formation Site
(imgs.xkcd.com)
Alt text:
It's not far from the sign marking the exact latitude and longitude of the Earth's core.
I can get pretty fancy brass, bronze, aluminum, etc. plaques made pretty cheaply.
...
Now I'm getting the urge to make something like this and put it on my apartment door.
Do it!
Instigator! 🤣