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OpenOrb (or OOrb), an open-source orbit-computation package.

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Introduction

OOrb contains, e.g., the statistical orbital ranging method (hereafter referred to as Ranging). Ranging is used to solve the orbital inverse problem of computing non-Gaussian orbital-element probability density functions (p.d.f.s) based on input astrometry.

Ranging is optimized for cases where the amount of astrometry is scarce or spans a relatively short time span. Ranging-based methods have successfully been applied to a variety of different topics such as rigorous ephemeris prediction, orbital-element-distribution studies for trans-neptunian objects, the computation of invariant collision probabilities between NEOs and the Earth, detecting linkages between astrometric asteroid observations within an apparition as well as between apparitions, and in the rigorous analysis of the impact of orbital arc-length and/or astrometric uncertainty on the uncertainty of the resulting orbits.

In OOrb, tools for making ephemeris predictions and classification of objects (i.e., NEO-MBO-TNO) are also available.

Documentation on usage and installation is available on the oorb wiki.

Citation information

When using this software please cite

Granvik, M., Virtanen, J., Oszkiewicz, D., Muinonen, K. (2009).
OpenOrb: Open-source asteroid orbit computation software including statistical ranging.
Meteoritics & Planetary Science 44(12), 1853-1861.

Licensing information

OpenOrb is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

OpenOrb is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should receive a copy of the GNU General Public License along with OpenOrb. If not, see http://www.gnu.org/licenses/.

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An open-source orbit-computation package for Solar System objects.

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