[HTML][HTML] Simultaneous navigation and mascon gravity estimation around small bodies

JC Sanchez, H Schaub - Acta Astronautica, 2023 - Elsevier
This manuscript develops a simultaneous navigation and gravity estimation strategy around
a small body. The scheme combines dynamical model compensation with a mascon gravity …

[PDF][PDF] Small body navigation and gravity estimation using Kalman filter and least-squares fitting

JC Sanchez, H Schaub - 33rd AAS/AIAA Space Flight Mechanics …, 2023 - julsanmer.github.io
This paper considers the problem of simultaneous navigation and inhomogeneous gravity
estimation around a small body. The available measurements are acquired by an on-board …

Physics-Informed Neural Networks for Gravity Field Modeling

JR Martin - 2023 - search.proquest.com
Gravity is among the most ubiquitous forces within astrodynamics. The motion of every
planet, asteroid, and spacecraft is intrinsically influenced by the gravitational forces of …