Index of Symbols

$A$: azimuth.

$a$: major radius, altitude.

$a_S$: major radius of sun.

$\alpha$: right ascension.

$\bar{\alpha}$: right ascension of mean sun.

$b$: minor radius.

$\beta$: ecliptic latitude.

$D$: lunar-solar elongation.

$\bar{D}$: mean lunar-solar elongation.

$\tilde{D}$: semi-mean lunar-solar elongation.

$\delta$: declination.

$\delta_M$: parallax of moon.

$e$: eccentricity.

$e_M$: eccentricity of moon.

$e_S$: eccentricity of sun.

$\epsilon$: inclination of ecliptic.

$E$: elliptic anomaly.

$\zeta$: radial anomaly.

$\theta$: equation of epicycle.

$F$: argument of latitude.

$\bar{F}$: mean argument of latitude.

$\bar{F}_0$: mean argument of latitude at epoch.

$\bar{F}_M$: mean argument of latitude of moon.

$\lambda$: ecliptic longitude.

$\lambda_S$: ecliptic longitude of sun.

$\bar{\lambda}$: mean longitude.

$\bar{\lambda}_0$: mean longitude at epoch.

$\bar{\lambda}_M$: mean longitude of moon.

$\bar{\lambda}_S$: mean longitude of sun.

$L$: terrestrial latitude.

$M$: mean anomaly.

$M_0$: mean anomaly at epoch.

$M_M$: mean anomaly of moon.

$M_S$: mean anomaly of sun.

$\mu$: epicyclic anomaly, parallactic angle.

$n$: rate of motion in mean longitude.

$\tilde{n}$: rate of motion in mean anomaly.

$\breve{n}$: rate of motion in mean argument of latitude.

$q$: equation of center.

$q_i$: lunar anomalies.

$R_E$: radius of earth.

$R_M$: radius of moon.

$R_S$: radius of sun.

$r$: radial distance.

$\rho_S$: angular radius of sun.

$\rho_M$: angular radius of moon.

$\rho_U$: angular radius of earth's umbra.

$t$: time.

$t_0$: epoch.

$T$: true anomaly.

$\tau$: orbital period.

$\varpi$: longitude of perigee.

$\Omega$: longitude of ascending node.