TT2TDB:

-------------------------------------------------------------------------------
   Converts terrestrial dynamic time to barycentric dynamical 
   time.
-------------------------------------------------------------------------------
   Form:
   tDB = TT2TDB( tT, jD )
-------------------------------------------------------------------------------

   ------
   Inputs
   ------
   tT       (:,:) Terrestrial (dynamic) time
   jD       (:,:) TJulian date (days)

   -------
   Outputs
   -------
   tDB      (:,:) TTerrestrial dynamic barycenter time

-------------------------------------------------------------------------------

Children:

Common: Math/RoundN
Common: Math/SinD
Common: Time/Date2JD