[myfonj]

So at this point we don't know about any viewer capable of handling Earths orbit sized SVG? That's sad.

> However the browsers don't crash or run out of memory

Good news for your sample. Yet in some browsers there prevail some open issues, just the limits are now farther. For example feeding this SVG to my Firefox almost instantly exhausts my RAM and makes the browser window unusable for a while:

    data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg"
     viewBox="-1e11,-1e11,2e11,2e11"><circle r="1e11"/></svg>

I guess for more beefed machines would be necessary to bump exponents slightly higher. It's a known issue [1].

[1] https://bugzilla.mozilla.org/show_bug.cgi?id=1864374