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tle2文件转czml文件

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/*!
* satellite-js v5.0.0
* (c) 2013 Shashwat Kandadai and UCSC
* https://github.com/shashwatak/satellite-js
* License: MIT
*/
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = dsinit;
var _constants = require("../constants");
/*-----------------------------------------------------------------------------
*
* 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
----------------------------------------------------------------------------*/
function dsinit(options) {
var cosim = options.cosim,
argpo = options.argpo,
s1 = options.s1,
s2 = options.s2,
s3 = options.s3,
s4 = options.s4,
s5 = options.s5,
sinim = options.sinim,
ss1 = options.ss1,
ss2 = options.ss2,
ss3 = options.ss3,
ss4 = options.ss4,
ss5 = options.ss5,
sz1 = options.sz1,
sz3 = options.sz3,
sz11 = options.sz11,
sz13 = options.sz13,
sz21 = options.sz21,
sz23 = options.sz23,
sz31 = options.sz31,
sz33 = options.sz33,
t = options.t,
tc = options.tc,
gsto = options.gsto,
mo = options.mo,
mdot = options.mdot,
no = options.no,
nodeo = options.nodeo,
nodedot = options.nodedot,
xpidot = options.xpidot,
z1 = options.z1,
z3 = options.z3,
z11 = options.z11,
z13 = options.z13,
z21 = options.z21,
z23 = options.z23,
z31 = options.z31,
z33 = options.z33,
ecco = options.ecco,
eccsq = options.eccsq;
var emsq = options.emsq,
em = options.em,
argpm = options.argpm,
inclm = options.inclm,
mm = options.mm,
nm = options.nm,
nodem = options.nodem,
irez = options.irez,
atime = options.atime,
d2201 = options.d2201,
d2211 = options.d2211,
d3210 = options.d3210,
d3222 = options.d3222,
d4410 = options.d4410,
d4422 = options.d4422,
d5220 = options.d5220,
d5232 = options.d5232,
d5421 = options.d5421,
d5433 = options.d5433,
dedt = options.dedt,
didt = options.didt,
dmdt = options.dmdt,
dnodt = options.dnodt,
domdt = options.domdt,
del1 = options.del1,
del2 = options.del2,
del3 = options.del3,
xfact = options.xfact,
xlamo = options.xlamo,
xli = options.xli,
xni = options.xni;
var f220;
var f221;
var f311;
var f321;
var f322;
var f330;
var f441;
var f442;
var f522;
var f523;
var f542;
var f543;
var g200;
var g201;
var g211;
var g300;
var g310;
var g322;
var g410;
var g422;
var g520;
var g521;
var g532;
var g533;
var sini2;
var temp;
var temp1;
var xno2;
var ainv2;
var aonv;
var cosisq;
var eoc;
var q22 = 1.7891679e-6;
var q31 = 2.1460748e-6;
var q33 = 2.2123015e-7;
var root22 = 1.7891679e-6;
var root44 = 7.3636953e-9;
var root54 = 2.1765803e-9;
// eslint-disable-next-line no-loss-of-precision
var rptim = 4.37526908801129966e-3; // equates to 7.29211514668855e-5 rad/sec
var root32 = 3.7393792e-7;
var root52 = 1.1428639e-7;
var znl = 1.5835218e-4;
var zns = 1.19459e-5;
// -------------------- deep space initialization ------------
irez = 0;
if (nm < 0.0052359877 && nm > 0.0034906585) {
irez = 1;
}
if (nm >= 8.26e-3 && nm <= 9.24e-3 && em >= 0.5) {
irez = 2;
}
// ------------------------ do solar terms -------------------
var ses = ss1 * zns * ss5;
var sis = ss2 * zns * (sz11 + sz13);
var sls = -zns * ss3 * (sz1 + sz3 - 14.0 - 6.0 * emsq);
var sghs = ss4 * zns * (sz31 + sz33 - 6.0);
var shs = -zns * ss2 * (sz21 + sz23);
// sgp4fix for 180 deg incl
if (inclm < 5.2359877e-2 || inclm > _constants.pi - 5.2359877e-2) {
shs = 0.0;
}
if (sinim !== 0.0) {
shs /= sinim;
}
var sgs = sghs - cosim * shs;
// ------------------------- do lunar terms ------------------
dedt = ses + s1 * znl * s5;
didt = sis + s2 * znl * (z11 + z13);
dmdt = sls - znl * s3 * (z1 + z3 - 14.0 - 6.0 * emsq);
var sghl = s4 * znl * (z31 + z33 - 6.0);
var shll = -znl * s2 * (z21 + z23);
// sgp4fix for 180 deg incl
if (inclm < 5.2359877e-2 || inclm > _constants.pi - 5.2359877e-2) {
shll = 0.0;
}
domdt = sgs + sghl;
dnodt = shs;
if (sinim !== 0.0) {
domdt -= cosim / sinim * shll;
dnodt += shll / sinim;
}
// ----------- calculate deep space resonance effects --------
var dndt = 0.0;
var theta = (gsto + tc * rptim) % _constants.twoPi;
em += dedt * t;
inclm += didt * t;
argpm += domdt * t;
nodem += dnodt * t;
mm += dmdt * t;
// sgp4fix for negative inclinations
// the following if statement should be commented out
// if (inclm < 0.0)
// {
// inclm = -inclm;
// argpm = argpm - pi;
// nodem = nodem + pi;
// }
// -------------- initialize the resonance terms -------------
if (irez !== 0) {
aonv = Math.pow(nm / _constants.xke, _constants.x2o3);
// ---------- geopotential resonance for 12 hour orbits ------
if (irez === 2) {
cosisq = cosim * cosim;
var emo = em;
em = ecco;
var emsqo = emsq;
emsq = eccsq;
eoc = em * emsq;
g201 = -0.306 - (em - 0.64) * 0.440;
if (em <= 0.65) {
g211 = 3.616 - 13.2470 * em + 16.2900 * emsq;
g310 = -19.302 + 117.3900 * em - 228.4190 * emsq + 156.5910 * eoc;
g322 = -18.9068 + 109.7927 * em - 214.6334 * emsq + 146.5816 * eoc;
g410 = -41.122 + 242.6940 * em - 471.0940 * emsq + 313.9530 * eoc;
g422 = -146.407 + 841.8800 * em - 1629.014 * emsq + 1083.4350 * eoc;
g520 = -532.114 + 3017.977 * em - 5740.032 * emsq + 3708.2760 * eoc;
} else {
g211 = -72.099 + 331.819 * em - 508.738 * emsq + 266.724 * eoc;
g310 = -346.844 + 1582.851 * em - 2415.925 * emsq + 1246.113 * eoc;
g322 = -342.585 + 1554.908 * em - 2366.899 * emsq + 1215.972 * eoc;
g410 = -1052.797 + 4758.686 * em - 7193.992 * emsq + 3651.957 * eoc;
g422 = -3581.690 + 16178.110 * em - 24462.770 * emsq + 12422.520 * eoc;
if (em > 0.715) {
g520 = -5149.66 + 29936.92 * em - 54087.36 * emsq + 31324.56 * eoc;
} else {
g520 = 1464.74 - 4664.75 * em + 3763.64 * emsq;
}
}
if (em < 0.7) {
g533 = -919.22770 + 4988.6100 * em - 9064.7700 * emsq + 5542.21 * eoc;
g521 = -822.71072 + 4568.6173 * em - 8491.4146 * emsq + 5337.524 * eoc;
g532 = -853.66600 + 4690.2500 * em - 8624.7700 * emsq + 5341.4 * eoc;
} else {
g533 = -37995.780 + 161616.52 * em - 229838.20 * emsq + 109377.94 * eoc;
g521 = -51752.104 + 218913.95 * em - 309468.16 * emsq + 146349.42 * eoc;
g532 = -40023.880 + 170470.89 * em - 242699.48 * emsq + 115605.82 * eoc;
}
sini2 = sinim * sinim;
f220 = 0.75 * (1.0 + 2.0 * cosim + cosisq);
f221 = 1.5 * sini2;
f321 = 1.875 * sinim * (1.0 - 2.0 * cosim - 3.0 * cosisq);
f322 = -1.875 * sinim * (1.0 + 2.0 * cosim - 3.0 * cosisq);
f441 = 35.0 * sini2 * f220;
f442 = 39.3750 * sini2 * sini2;
f522 = 9.84375 * sinim * (sini2 * (1.0 - 2.0 * cosim - 5.0 * cosisq) + 0.33333333 * (-2.0 + 4.0 * cosim + 6.0 * cosisq));
f523 = sinim * (4.92187512 * sini2 * (-2.0 - 4.0 * cosim + 10.0 * cosisq) + 6.56250012 * (1.0 + 2.0 * cosim - 3.0 * cosisq));
f542 = 29.53125 * sinim * (2.0 - 8.0 * cosim + cosisq * (-12.0 + 8.0 * cosim + 10.0 * cosisq));
f543 = 29.53125 * sinim * (-2.0 - 8.0 * cosim + cosisq * (12.0 + 8.0 * cosim - 10.0 * cosisq));
xno2 = nm * nm;
ainv2 = aonv * aonv;
temp1 = 3.0 * xno2 * ainv2;
temp = temp1 * root22;
d2201 = temp * f220 * g201;
d2211 = temp * f221 * g211;
temp1 *= aonv;
temp = temp1 * root32;
d3210 = temp * f321 * g310;
d3222 = temp * f322 * g322;
temp1 *= aonv;
temp = 2.0 * temp1 * root44;
d4410 = temp * f441 * g410;
d4422 = temp * f442 * g422;
temp1 *= aonv;
temp = temp1 * root52;
d5220 = temp * f522 * g520;
d5232 = temp * f523 * g532;
temp = 2.0 * temp1 * root54;
d5421 = temp * f542 * g521;
d5433 = temp * f543 * g533;
xlamo = (mo + nodeo + nodeo - (theta + theta)) % _constants.twoPi;
xfact = mdot + dmdt + 2.0 * (nodedot + dnodt - rptim) - no;
em = emo;
emsq = emsqo;
}
// ---------------- synchronous resonance terms --------------
if (irez === 1) {
g200 = 1.0 + emsq * (-2.5 + 0.8125 * emsq);
g310 = 1.0 + 2.0 * emsq;
g300 = 1.0 + emsq * (-6.0 + 6.60937 * emsq);
f220 = 0.75 * (1.0 + cosim) * (1.0 + cosim);
f311 = 0.9375 * sinim * sinim * (1.0 + 3.0 * cosim) - 0.75 * (1.0 + cosim);
f330 = 1.0 + cosim;
f330 *= 1.875 * f330 * f330;
del1 = 3.0 * nm * nm * aonv * aonv;
del2 = 2.0 * del1 * f220 * g200 * q22;
del3 = 3.0 * del1 * f330 * g300 * q33 * aonv;
del1 = del1 * f311 * g310 * q31 * aonv;
xlamo = (mo + nodeo + argpo - theta) % _constants.twoPi;
xfact = mdot + xpidot + dmdt + domdt + dnodt - (no + rptim);
}
// ------------ for sgp4, initialize the integrator ----------
xli = xlamo;
xni = no;
atime = 0.0;
nm = no + dndt;
}
return {
em: em,
argpm: argpm,
inclm: inclm,
mm: mm,
nm: nm,
nodem: nodem,
irez: irez,
atime: atime,
d2201: d2201,
d2211: d2211,
d3210: d3210,
d3222: d3222,
d4410: d4410,
d4422: d4422,
d5220: d5220,
d5232: d5232,
d5421: d5421,
d5433: d5433,
dedt: dedt,
didt: didt,
dmdt: dmdt,
dndt: dndt,
dnodt: dnodt,
domdt: domdt,
del1: del1,
del2: del2,
del3: del3,
xfact: xfact,
xlamo: xlamo,
xli: xli,
xni: xni
};
}