orbit data help needed i have the osculating elements at perigee of an orbit which i need to convert to something useful preferably distance from the earth in evenly spaced time intervals a gsm coordinate system is preferable but i convert from other systems c pascal or fortran code or if you can point me to a book or something that d be great here s the first few lines of the file x a x a x i x a x e x a x e sma semi major axis ecc eccentricity inc inclination omg ra of ascending node pom argument of pericentre tra true anomaly hap apocentre height hpe pericentre height beg e sma e ecc e inc e omg e pom e tra e hap e hpe e ref e sma e ecc e inc e omg e pom e tra e hap e hpe e thanks in advance larry kepko lkepko igpp ucla edu
