The special sauce in S2 is the space filling curve aspect of it which is totally not what you want here, the concept behind it is I want to say called a 'geo gr

The special sauce in S2 is the space filling curve aspect of it which is totally not what you want here, the concept behind it is I want to say called a 'geo grid' which off the top of my head a guy I know made a library for [1]. [1] https://www.npmjs.com/package/geogrids https://www.npmjs.com/package/geogrids