What does HEO stand for?
HEO stands for "Highly Elliptical Orbit"
How to abbreviate "Highly Elliptical Orbit"?
"Highly Elliptical Orbit" can be abbreviated as HEO
What is the meaning of HEO abbreviation?
The meaning of HEO abbreviation is "Highly Elliptical Orbit"
What does HEO mean?
HEO as abbreviation means "Highly Elliptical Orbit"