procedure dsinit
this procedure provides deep space contributions to mean motion dot due to geopotential resonance with half day and one day orbits.
author : david vallado 719-573-2600 28 jun 2005
inputs : cosim, sinim- emsq - eccentricity squared argpo - argument of perigee s1, s2, s3, s4, s5 - ss1, ss2, ss3, ss4, ss5 - sz1, sz3, sz11, sz13, sz21, sz23, sz31, sz33 - t - time tc - gsto - greenwich sidereal time rad mo - mean anomaly mdot - mean anomaly dot (rate) no - mean motion nodeo - right ascension of ascending node nodedot - right ascension of ascending node dot (rate) xpidot - z1, z3, z11, z13, z21, z23, z31, z33 - eccm - eccentricity argpm - argument of perigee inclm - inclination mm - mean anomaly xn - mean motion nodem - right ascension of ascending node
outputs : em - eccentricity argpm - argument of perigee inclm - inclination mm - mean anomaly nm - mean motion nodem - right ascension of ascending node irez - flag for resonance 0-none, 1-one day, 2-half day atime - d2201, d2211, d3210, d3222, d4410, d4422, d5220, d5232, d5421, d5433 - dedt - didt - dmdt - dndt - dnodt - domdt - del1, del2, del3 - ses , sghl , sghs , sgs , shl , shs , sis , sls theta - xfact - xlamo - xli - xni
locals : ainv2 - aonv - cosisq - eoc - f220, f221, f311, f321, f322, f330, f441, f442, f522, f523, f542, f543 - g200, g201, g211, g300, g310, g322, g410, g422, g520, g521, g532, g533 - sini2 - temp - temp1 - theta - xno2 -
coupling : getgravconst
references : hoots, roehrich, norad spacetrack report #3 1980 hoots, norad spacetrack report #6 1986 hoots, schumacher and glover 2004 vallado, crawford, hujsak, kelso 2006
the options
the time since epoch
procedure dsinit
this procedure provides deep space contributions to mean motion dot due to geopotential resonance with half day and one day orbits.
author : david vallado 719-573-2600 28 jun 2005
inputs : cosim, sinim- emsq - eccentricity squared argpo - argument of perigee s1, s2, s3, s4, s5 - ss1, ss2, ss3, ss4, ss5 - sz1, sz3, sz11, sz13, sz21, sz23, sz31, sz33 - t - time tc - gsto - greenwich sidereal time rad mo - mean anomaly mdot - mean anomaly dot (rate) no - mean motion nodeo - right ascension of ascending node nodedot - right ascension of ascending node dot (rate) xpidot - z1, z3, z11, z13, z21, z23, z31, z33 - eccm - eccentricity argpm - argument of perigee inclm - inclination mm - mean anomaly xn - mean motion nodem - right ascension of ascending node
outputs : em - eccentricity argpm - argument of perigee inclm - inclination mm - mean anomaly nm - mean motion nodem - right ascension of ascending node irez - flag for resonance 0-none, 1-one day, 2-half day atime - d2201, d2211, d3210, d3222, d4410, d4422, d5220, d5232, d5421, d5433 - dedt - didt - dmdt - dndt - dnodt - domdt - del1, del2, del3 - ses , sghl , sghs , sgs , shl , shs , sis , sls theta - xfact - xlamo - xli - xni
locals : ainv2 - aonv - cosisq - eoc - f220, f221, f311, f321, f322, f330, f441, f442, f522, f523, f542, f543 - g200, g201, g211, g300, g310, g322, g410, g422, g520, g521, g532, g533 - sini2 - temp - temp1 - theta - xno2 -
coupling : getgravconst
references : hoots, roehrich, norad spacetrack report #3 1980 hoots, norad spacetrack report #6 1986 hoots, schumacher and glover 2004 vallado, crawford, hujsak, kelso 2006