The specific term does not appear to correspond to a single widely recognized official document or product. However, "CDF" is a common acronym in several technical fields often associated with space, planetary science, and data.
: CDFs help determine the likelihood of "TheNextPlanet" in a system that already has one. For instance, the discovery of a new candidate in made it one of the few known six-planet systems. Astronomy & Astrophysics (A&A) Visualization: The Cumulative Distribution Function (CDF) thenextplanet cdf
If you are looking for legitimate "Next" or "Planet" themed financial products, consider these regulated options: Planet Labs PBC (PL) : A publicly traded satellite imaging company on the NYSE. HDFC NIFTY Next 50 Index Fund The specific term does not appear to correspond