Analytic continuation extended Kalman filter framework for perturbed orbit estimation using a network of space-based observers with angles-only measurements

TH Tasif, JE Hippelheuser, TA Elgohary - Astrodynamics, 2022 - Springer
This work presents a new method for space-based angles-only orbit estimation. The
approach relies on the integration of a novel and highly accurate Analytic Continuation …

A computation process for the higher order state transition tensors of the gravity and drag perturbed two-body problem using adaptive analytic continuation technique

T Haque Tasif, TA Elgohary - International Conference on Computational …, 2022 - Springer
In this work, the Taylor series based integration approach, Analytic Continuation, has been
implemented to compute Higher Order State Transition Tensors for the J 2-J 6 gravity and …

[PDF][PDF] Advantages of using sigma point orbit estimation filtering via multiple space-based observers

JE Hippelheuser, TA Elgohary - 2023 - researchgate.net
Presented within this work is an analysis comparing the extended Kalman filter (EKF) with
the unscented Kalman filter (UKF) for a novel measurement model specifically designed to …

A Novel Multi-Observer Orbit Determination and Estimation Framework for Cislunar Space Domain Awareness

JE Hippelheuser Jr - 2023 - stars.library.ucf.edu
This work presents a measurement model designed for multiple observers (space-based
and/or ground-based) for cislunar orbit determination and estimation for space domain …

Adaptive Analytic Continuation for the State Transition Tensors of the Two-body Problem

TH Tasif - 2022 - stars.library.ucf.edu
In the past few decades, Kessler syndrome (named after Donald J. Kessler) has become a
point of concern in the field of Space Situational Awareness and the future of space …