Eclipses intervals for satellites in elliptical orbit under effects of solar radiation pressure and earth’s oblatness

A semi-analytical solution for the motion of a low altitude Earth satellite under J2-gravity and air drag perturbations

MODEL OF REFERENCE ORBIT FOR SATELLITES CONSTELLATION

NUMERICAL SOLUTION OF SATELLITE MOTION UNDER THE EFFECTS OF THE EARTH’S GRAVITY OF THE AXIAL SYMMETRY AND DRAG FORCE IN TERMS OF THE KS-REGULARIZED VARIABLES

PERTURBED GROUND TRACK UNDER THE INFLUENCE OF J2 AND LUNISOLAR FORCES

PREDICTION OF THE ORBITAL MOTION OF AN ARTIFICIAL SATELLITE FROM RADAR MEASUREMENTS

THE EFFECT OF THE EARTH'S OBLATENESS AND ATMOSPHERIC DRAG ON AN ARTIFICIAL SATELLITE IN TERMS OF THE EULER PARAMETERS

BALANCED EARTH SATELLITE ORBITS

Evaluation of the Elliptic Integrals

Perturbation effect on ground tracks of Molniya satellite orbits