ASSIST: An Ephemeris-quality Test-particle Integrator

We introduce ASSIST, a software package for ephemeris-quality integrations of test particles. ASSIST is an extension of the REBOUND framework and makes use of its IAS15 integrator to integrate test-particle trajectories in the field of the Sun, Moon, planets, and 16 massive asteroids, with the posit...
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Gespeichert in:

Autor*in:	Matthew J. Holman [verfasserIn] Arya Akmal [verfasserIn] Davide Farnocchia [verfasserIn] Hanno Rein [verfasserIn] Matthew J. Payne [verfasserIn] Robert Weryk [verfasserIn] Daniel Tamayo [verfasserIn] David M. Hernandez [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Ephemerides N-body simulations Asteroid dynamics Comet dynamics

Übergeordnetes Werk:	In: The Planetary Science Journal - IOP Publishing, 2021, 4(2023), 4, p 69
Übergeordnetes Werk:	volume:4 ; year:2023 ; number:4, p 69

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3847/PSJ/acc9a9

Katalog-ID:	DOAJ08946169X

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language	English
source	In The Planetary Science Journal 4(2023), 4, p 69 volume:4 year:2023 number:4, p 69
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format_phy_str_mv	Article
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topic_facet	Ephemerides N-body simulations Asteroid dynamics Comet dynamics Astronomy
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container_title	The Planetary Science Journal
authorswithroles_txt_mv	Matthew J. Holman @@aut@@ Arya Akmal @@aut@@ Davide Farnocchia @@aut@@ Hanno Rein @@aut@@ Matthew J. Payne @@aut@@ Robert Weryk @@aut@@ Daniel Tamayo @@aut@@ David M. Hernandez @@aut@@
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callnumber-first	Q - Science
author	Matthew J. Holman
spellingShingle	Matthew J. Holman misc QB1-991 misc Ephemerides misc N-body simulations misc Asteroid dynamics misc Comet dynamics misc Astronomy ASSIST: An Ephemeris-quality Test-particle Integrator
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topic	misc QB1-991 misc Ephemerides misc N-body simulations misc Asteroid dynamics misc Comet dynamics misc Astronomy
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title	ASSIST: An Ephemeris-quality Test-particle Integrator
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title_auth	ASSIST: An Ephemeris-quality Test-particle Integrator
abstract	We introduce ASSIST, a software package for ephemeris-quality integrations of test particles. ASSIST is an extension of the REBOUND framework and makes use of its IAS15 integrator to integrate test-particle trajectories in the field of the Sun, Moon, planets, and 16 massive asteroids, with the positions of the masses coming from the Jet Propulsion Laboratory’s DE441 ephemeris and its associated asteroid perturber file. The package incorporates the most significant gravitational harmonics and general-relativistic corrections. ASSIST also accounts for position- and velocity-dependent nongravitational effects. The first-order variational equations are included for all terms to support orbit fitting and covariance mapping. This new framework is meant to provide an open-source package written in a modern language to enable high-precision orbital analysis and science by the small-body community. ASSIST is open source, freely distributed under the GNU General Public license v3.0.
abstractGer	We introduce ASSIST, a software package for ephemeris-quality integrations of test particles. ASSIST is an extension of the REBOUND framework and makes use of its IAS15 integrator to integrate test-particle trajectories in the field of the Sun, Moon, planets, and 16 massive asteroids, with the positions of the masses coming from the Jet Propulsion Laboratory’s DE441 ephemeris and its associated asteroid perturber file. The package incorporates the most significant gravitational harmonics and general-relativistic corrections. ASSIST also accounts for position- and velocity-dependent nongravitational effects. The first-order variational equations are included for all terms to support orbit fitting and covariance mapping. This new framework is meant to provide an open-source package written in a modern language to enable high-precision orbital analysis and science by the small-body community. ASSIST is open source, freely distributed under the GNU General Public license v3.0.
abstract_unstemmed	We introduce ASSIST, a software package for ephemeris-quality integrations of test particles. ASSIST is an extension of the REBOUND framework and makes use of its IAS15 integrator to integrate test-particle trajectories in the field of the Sun, Moon, planets, and 16 massive asteroids, with the positions of the masses coming from the Jet Propulsion Laboratory’s DE441 ephemeris and its associated asteroid perturber file. The package incorporates the most significant gravitational harmonics and general-relativistic corrections. ASSIST also accounts for position- and velocity-dependent nongravitational effects. The first-order variational equations are included for all terms to support orbit fitting and covariance mapping. This new framework is meant to provide an open-source package written in a modern language to enable high-precision orbital analysis and science by the small-body community. ASSIST is open source, freely distributed under the GNU General Public license v3.0.
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container_issue	4, p 69
title_short	ASSIST: An Ephemeris-quality Test-particle Integrator
url	https://doi.org/10.3847/PSJ/acc9a9 https://doaj.org/article/179fe2dacee74ad1aaa73663d779a22c https://doaj.org/toc/2632-3338
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