230
And Quartz, of course
(imgs.xkcd.com)
Source: https://xkcd.com/2501/
Alt text: "How could anyone consider themselves a well-rounded adult without a basic understanding of silicate geochemistry? Silicates are everywhere! It's hard to throw a rock without throwing one!"
The Traveler's names? You mean the members of Outer Wilds Ventures? I'll do you two better; every Hearthian is named for a mineral, and every Nomai is named after a plant.
Solanum can also be read to mean Solar Year, a complete cycle of the sun, which is even more poetic considering the entangled nature of the end of her journey, and the journey of the Sun.