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celestlab >> Orbit properties > CL_op_frozenOrbitDer

CL_op_frozenOrbitDer

Derivatives of eccentricity and argument of periapsis with respect to time

Calling Sequence

[deccdt, dpomdt] = CL_op_frozenOrbitDer(sma, ecc, inc, pom [[, er, mu, j1jn]])

Description

Parameters

sma:

Semi-major axis. [m] (1x1 or 1xN)

ecc:

Eccentricity. [-] (1x1 or 1xN)

inc:

Inclination. [rad] (1x1 or 1xN)

pom:

Argument of pariapsis. [rad] (1x1 or 1xN)

er:

(optional) Equatorial radius. Default: %CL_eqRad. [m] (1x1)

mu:

(optional) Gravitational constant. Default: %CL_mu. [m^3/s^2] (1x1)

j1jn:

(optional) Vector of zonal coefficients J1 to Jn, troncated to J3. Default: %CL_j1jn(1:3)). [-] (1xNz)

deccdt:

Time derivative of eccentricity. [s^-1] (1xN)

dpomdt:

Time derivative of argument of periapsis. [rad/s] (1xN)

Authors

Bibliography

Examples

sma = [7000.e3, 73000.e3];
inc = CL_deg2rad([51.6, 91.6]);
[ecc, pom] = CL_op_frozenOrbit(sma, inc);
ecc = 0.999 * ecc;
pom = 0.999 * pom;
[deccdt, dpomdt] = CL_op_frozenOrbitDer(sma, ecc, inc, pom)

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