What does POP stand for?
POP stands for "Perpendicular to Orbital Plane"
How to abbreviate "Perpendicular to Orbital Plane"?
"Perpendicular to Orbital Plane" can be abbreviated as POP
What is the meaning of POP abbreviation?
The meaning of POP abbreviation is "Perpendicular to Orbital Plane"
What does POP mean?
POP as abbreviation means "Perpendicular to Orbital Plane"
