procedure dpper
this procedure provides deep space long period periodic contributions to the mean elements. by design, these periodics are zero at epoch. this used to be dscom which included initialization, but it's really a recurring function.
author : david vallado 719-573-2600 28 jun 2005
inputs : e3 - ee2 - peo - pgho - pho - pinco - plo - se2 , se3 , sgh2, sgh3, sgh4, sh2, sh3, si2, si3, sl2, sl3, sl4 - t - xh2, xh3, xi2, xi3, xl2, xl3, xl4 - zmol - zmos - ep - eccentricity 0.0 - 1.0 inclo - inclination - needed for lyddane modification nodep - right ascension of ascending node argpp - argument of perigee mp - mean anomaly
outputs : ep - eccentricity 0.0 - 1.0 inclp - inclination nodep - right ascension of ascending node argpp - argument of perigee mp - mean anomaly
locals : alfdp - betdp - cosip , sinip , cosop , sinop , dalf - dbet - dls - f2, f3 - pe - pgh - ph - pinc - pl - sel , ses , sghl , sghs , shl , shs , sil , sinzf , sis , sll , sls xls - xnoh - zf - zm -
coupling : none.
references : hoots, roehrich, norad spacetrack report #3 1980 hoots, norad spacetrack report #6 1986 hoots, schumacher and glover 2004 vallado, crawford, hujsak, kelso 2006
Satellite object
dpper options
time in minutes since epoch
procedure dpper
this procedure provides deep space long period periodic contributions to the mean elements. by design, these periodics are zero at epoch. this used to be dscom which included initialization, but it's really a recurring function.
author : david vallado 719-573-2600 28 jun 2005
inputs : e3 - ee2 - peo - pgho - pho - pinco - plo - se2 , se3 , sgh2, sgh3, sgh4, sh2, sh3, si2, si3, sl2, sl3, sl4 - t - xh2, xh3, xi2, xi3, xl2, xl3, xl4 - zmol - zmos - ep - eccentricity 0.0 - 1.0 inclo - inclination - needed for lyddane modification nodep - right ascension of ascending node argpp - argument of perigee mp - mean anomaly
outputs : ep - eccentricity 0.0 - 1.0 inclp - inclination nodep - right ascension of ascending node argpp - argument of perigee mp - mean anomaly
locals : alfdp - betdp - cosip , sinip , cosop , sinop , dalf - dbet - dls - f2, f3 - pe - pgh - ph - pinc - pl - sel , ses , sghl , sghs , shl , shs , sil , sinzf , sis , sll , sls xls - xnoh - zf - zm -
coupling : none.
references : hoots, roehrich, norad spacetrack report #3 1980 hoots, norad spacetrack report #6 1986 hoots, schumacher and glover 2004 vallado, crawford, hujsak, kelso 2006