@inproceedings{e56f9dbb7b2a45da91c3601ea856f293,
title = "Optimal low-thrust geostationary transfer orbit using legendre-gauss-radau collocation",
abstract = "A reformulation of Edelbaum's equations for low thrust orbit raising between two circular orbits with an inclination change using optimal control theory was performed. A nonsingular modified equinoctial element set was used, and higher order gravitational harmonics up to and including J5 were included within the model. An indirect optimization scheme was performed to optain an optimal pitch steering law, and the state and costate equations were solved using a Legendre-Gauss-Radau collocation scheme. The numerical solution was broken up into two phases. The first phase has the objective of raising an orbit into a zone in which eclipsing is no longer an issue, and the second phase involves solving a two-point boundary value problem in order to finish the maneuver.",
author = "Goodyear, {Andrew M.S.} and Spencer, {David B.}",
year = "2016",
language = "English (US)",
isbn = "9780877036296",
series = "Advances in the Astronautical Sciences",
publisher = "Univelt Inc.",
pages = "3073--3088",
editor = "Turner, {James D.} and Wawrzyniak, {Geoff G.} and Cerven, {William Todd} and Manoranjan Majji",
booktitle = "Astrodynamics 2015",
address = "United States",
note = "AAS/AIAA Astrodynamics Specialist Conference, ASC 2015 ; Conference date: 09-08-2015 Through 13-08-2015",
}