Orbital Decay

The process of estimating a spacecraft's orbit from tracking observations. Uses ground-based radar, GPS, or optical meas...

One of five positions in a two-body system where a small object can maintain its position relative to the two larger bod...

The dominant orbital perturbation caused by Earth's equatorial bulge (oblateness). Causes secular drift in RAAN and argu...

A measure of how an object's mass and shape resist atmospheric drag, calculated as mass divided by (drag coefficient tim...