Wings Forum Forum for homebuilt experimental & light sport aircraft pilots, owners, & builders.   ANN's Daily Aero-Term (09.22.08): Dynamical Time (DT) Click here to go to the original topic          Wings Forum Forum Index -> General Aviation News View previous topic :: View next topic   Author Message RSS News Joined: 19 Jul 2005 Posts: 14424 Posted: Mon Sep 22, 2008 4:38 am    Post subject: ANN's Daily Aero-Term (09.22.08): Dynamical Time (DT)   Aero-Terms! Replaces Ephemeris Time, ET, as the independent argument in dynamical theories and ephemerides. Its unit of duration is based on the orbital motions of the Earth, Moon, and planets. DT has two expressions, Terrestrial Time, TT, (or Terrestrial Dynamical Time, TDT), and Barycentric Dynamical Time, TDB. Read more... Back to top            Wings Forum Forum Index -> General Aviation News Page 1 of 1 Powered by phpBB Search Engine Indexer Powered by phpBB 2.0.22 © 2001, 2002 phpBB Group