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CL_op_driftJ2

Drifts (mean time derivatives) of orbital elements due to J2 + central force

Calling Sequence

[pomdot, gomdot, anmdot, dpomdotdaei, dgomdotdaei, danmdotdaei] = CL_op_driftJ2(sma, ecc, inc [[, er, mu, j2]])

Description

Parameters

sma:

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

ecc:

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

inc:

Inclination. [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)

j2:

(optional) Second zonal harmonic (unnormalized). Default: %CL_j1jn(2). [-] (1x1)

pomdot:

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

gomdot:

Mean time derivative of right ascension of ascending node. [rad/s] (1xN)

anmdot:

Mean time derivative of mean anomaly. [rad/s] (1xN)

dpomdotdaei:

Partial derivative of pomdot with respect to sma, ecc and inc. (3xN)

dgomdotdaei:

Partial derivative of gomdot with respect to sma, ecc and inc. (3xN)

danmdotdaei:

Partial derivative of anmdot with respect to sma, ecc and inc. (3xN)

Bibliography

Authors

Examples

sma = [42000.e3, 7000.e3];
ecc = [0.001, 0.001];
inc = CL_deg2rad([51.6, 51.6]);
[pomdot, gomdot, anmdot] = CL_op_driftJ2(sma, ecc, inc)

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