The REST simulator includes many parameters : a ) Inertial < - > Fix to Earth reference system ; b ) Geodetic < - > Geocentric coordinates ; c ) Rotational velocity of the Atmosphere ; d ) Effect of the rotation of the Earth ; e ) Bulge effect of the Earth ; f ) Spherical harmonic expansion for the Earth s gravitational potential , J2 ( zonal ) ; g ) Heat flux , temperature in the wall ; h ) Drag coefficient for different regimes ; i ) Flow regime status ; j ) Density model NRLMSISE-00 ; k ) Wind model HWM-93 ; l ) G2S atmospheric model with the latest meteorological conditions and m ) Landing area ( Monte Carlo Simulations )