I have seen conflicting values for the angle where the Argument of the Perihelion of the Earth or where the Winter Solstice(Dec 21) strikes. This is where the ellipse value of the True Anomaly is zero. The two values are: w=114.20783 @J2000 or w=282.9404*4.70935e-5*d where d is a formula encompassing the Julian Date. These values have different Longitude of the Ascending Node by that is just where all the planets are referenced at and does not change the Argument of the Perihelion. My question is: which is the correct Argument of the Perihelion of the Earth?