[HTML][HTML] Satellite drag coefficient modeling for thermosphere science and mission operations

PM Mehta, SN Paul, NH Crisp, PL Sheridan… - Advances in Space …, 2023 - Elsevier
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 …

[HTML][HTML] Thermosphere and satellite drag

S Bruinsma, TD de Wit, T Fuller-Rowell… - Advances in Space …, 2023 - Elsevier
Accurate forecasts of thermosphere densities, realistic calculation of aerodynamic drag, and
propagation of the uncertainty on the predicted orbit positions are required for conjunction …

[PDF][PDF] Dynamic GPS-based LEO orbit determination with 1 cm precision using the Bernese GNSS Software.

X Mao, D Arnold, V Girardin, A Villiger… - Advances in space …, 2021 - boris.unibe.ch
Journal Pre-proofs Page 1 source: https://doi.org/10.7892/boris.147307 | downloaded: 2.10.2024
Journal Pre-proofs Dynamic GPS-based LEO orbit determination with 1 cm precision using …

New density estimates derived using accelerometers on board the CHAMP and GRACE satellites

PM Mehta, AC Walker, EK Sutton… - Space Weather, 2017 - Wiley Online Library
Atmospheric mass density estimates derived from accelerometers onboard satellites such as
CHAllenging Minisatellite Payload (CHAMP) and Gravity Recovery and Climate Experiment …

Gas-surface interactions modelling influence on satellite aerodynamics and thermosphere mass density

G March, J Van Den Ijssel, C Siemes… - Journal of Space …, 2021 - swsc-journal.org
The satellite acceleration data from the CHAMP, GRACE, GOCE, and Swarm missions
provide detailed information on the thermosphere density over the last two decades. Recent …

Input shaped large thrust maneuver with a tethered debris object

L Jasper, H Schaub - Acta Astronautica, 2014 - Elsevier
In order to reduce the debris population in LEO, remediation is necessary. An active debris
removal method is explored that utilizes fuel reserves on a recently launched upper stage to …

Drag coefficient model using the Cercignani–Lampis–Lord gas–surface interaction model

A Walker, P Mehta, J Koller - Journal of Spacecraft and Rockets, 2014 - arc.aiaa.org
Drag coefficient calculations using the Cercignani–Lampis–Lord quasi-specular gas–
surface interaction model have been used to derive modified closed-form solutions for …

Gas–surface scattering dynamics applied to concentration of gases for mass spectrometry in tenuous atmospheres

VJ Murray, MD Pilinski, EJ Smoll Jr… - The Journal of …, 2017 - ACS Publications
A concept for a passive neutral gas concentrator that facilitates the analysis of rarefied
atmospheres using mass spectrometry on spacecraft has been developed. The efficiency of …

Drag coefficient modeling for grace using Direct Simulation Monte Carlo

PM Mehta, CA McLaughlin, EK Sutton - Advances in Space Research, 2013 - Elsevier
Drag coefficient is a major source of uncertainty in predicting the orbit of a satellite in low
Earth orbit (LEO). Computational methods like the Test Particle Monte Carlo (TPMC) and …

Impact of surface physisorption on gas scattering dynamics

Y Chen, L Gibelli, J Li, MK Borg - Journal of Fluid Mechanics, 2023 - cambridge.org
Engineering flow systems operating under low pressures and/or at the micro/nano scale
generally include a physically adsorbed gas layer next to the surface. In this paper, we …