module miscparameters
  ! miscellaneous parameters that are very constant
  real(8), parameter :: pi=3.1415926535897932, d2r=pi/180.
  integer, parameter :: NMAX=1000
  real(8), parameter :: marsDay=88775.244, solsperyear=668.60
  real(8), parameter :: icedensity=927.
  real(8), parameter :: earthDay=86400.
  real(8), parameter :: sigSB=5.6704e-8
  ! for reference here are some parameters that are hard coded
  !   mass of H2O molecule = 18
  !   universal gas constant = 8314
  !   length of Earth year in days = 365.24
end module miscparameters