I have very loosely based this on the GURPS Space Planetary Record and Worksheet page 14 of the Space Planetary Record and Worksheet.pdf.
I’ll be using this for a number of the planet map pages on this site.
Updated on June 26, 2016 due to some spacing problems. If you notice some problems when you print it out, please let me know at the Dragonsfoot other games forums by sending me a PM. Thanks.