I try to adhere to the style guide for Python code (also known as PEP 8). Accordingly, the preferred way to name a class is using CamelCase:
Almost wi
As others have noted, NASAJPL is probably the PEP-8 approved form.
Just to be contrary, however, I would probably use NasaJPL. Because if you are reading it, you pronounce "NASA" as a single word, whereas "JPL" you spell out.
You can make an argument that this is consistent with PEP-8, since "NASA" is an acronym, but "JPL" is an abbreviation (or initialism, if you want to get pedantic).