MODEL OF REFERENCE ORBIT FOR SATELLITES CONSTELLATION

Orbit determination using distance measurements

VISIBILITY INTERVALS BETWEEN TWO SATELLITES ORBITS UNDER J2-GRAVITY AND DRAG FORCE

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

PERTURBED GROUND TRACK UNDER THE INFLUENCE OF J2 AND LUNISOLAR FORCES

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

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

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

Perturbation effect on ground tracks of Molniya satellite orbits

Orbit Determination Using Spread Spectrum Ranging