Exoplanet Predictions Based on the Generalised Titius-Bode Relation

We evaluate the extent to which newly detected exoplanetary systems containing at least four planets adhere to a generalized Titius-Bode (TB) relation. We find that the majority of exoplanet systems in our sample adhere to the TB relation to a greater extent than the Solar System does, particularly...

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Bibliographic Details
Published in:arXiv.org 2013-08
Main Authors: Bovaird, Timothy, Lineweaver, Charles H
Format: Article
Language:English
Subjects:
Circumstellar habitable zone
Extrasolar planets
Interpolation
Kepler mission (NASA)
Planet detection
Planetary systems
Predictions
Solar system
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Summary:We evaluate the extent to which newly detected exoplanetary systems containing at least four planets adhere to a generalized Titius-Bode (TB) relation. We find that the majority of exoplanet systems in our sample adhere to the TB relation to a greater extent than the Solar System does, particularly those detected by the Kepler mission. We use a generalized TB relation to make a list of predictions for the existence of 141 additional exoplanets in 68 multiple-exoplanet systems: 73 candidates from interpolation, 68 candidates from extrapolation. We predict the existence of a low-radius (R < 2.5 Earth Radii) exoplanet within the habitable zone of KOI-812 and that the average number of planets in the habitable zone of a star is 1-2. The usefulness of the TB relation and its validation as a tool for predicting planets will be partially tested by upcoming Kepler data releases.
ISSN:2331-8422
DOI:10.48550/arxiv.1304.3341