Drag coefficient calculations using the Cercignani–Lampis–Lord quasi-specular gas–
surface interaction model have been used to derive modified closed-form solutions for …

Drag coefficient is a major source of uncertainty in calculating the aerodynamic forces on
satellites in low Earth orbit. Closed-form solutions are available for simple geometries under …

Satellite drag modeling remains the largest source of uncertainty affecting space operations
in low Earth orbit. The uncertainty stems from inaccurate models for mass density and drag …

Drag coefficients are a large source of uncertainty when predicting the aerodynamic forces
on orbiting satellites. Accordingly, the focus of this research is to improve the fidelity of drag …

SATELLITE drag coefficients are the primary source of un-certainty in atmospheric drag
prediction, as well as in the deduction of atmospheric densities from satellite drag. The drag …

THESE comments concern the contributions of Bruinsma and Forbes [1], Sutton et al.[2], and
Tapley et al.[3] covering density and wind determination by the Challenging Minisatellite …

For satellites on low Earth orbits, aerodynamic drag provides an important contribution to the
spectrum of perturbing forces. Aerodynamic drag is only of second order magnitude or less …

Conditions appropriate to gas-surface interactions on satellite surfaces in orbit have not
been successfully duplicated in the laboratory. However, measurements by pressure …

The ability to model atmospheric drag is critical for precise satellite orbit prediction below
1000 km altitudes. Uncertainty in atmospheric drag comes primarily from estimates of the …

The dominant error source in force models used to predict low-perigee satellite trajectories
is atmospheric drag. Errors in operational thermospheric density models cause significant …