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Low Earth Orbit
Linked via "spacecraft hull"
where $\rho$ is the atmospheric mass density, $v$ is the spacecraft velocity, $C_D$ is the drag coefficient, and $A$ is the cross-sectional area facing the direction of motion [4].
Atmospheric density ($\rho$) in LEO is highly variable, being acutely sensitive to solar extreme ultraviolet (EUV) radiation-radiation/), which heats and expands the thermosphere, causing density "bloat." A si… -
Low Earth Orbit
Linked via "spacecraft hull"
| High LEO (HLEO)/) | $1,000 - 2,000$ | Reduced drag; minor relativistic effects observable | $105 - 125$ |
Missions operating in VLEO/), such as those involving aerobraking or atmospheric harvesting systems, must account for the fact that molecular collisions in this zone often impart a slight negative charge accumulation on the leading edge of the spacecraft hull, which affect…