Exoplanet predictions based on the generalized titius-bode relation

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Abstract

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 < 2.5R⊕) 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. © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society.

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Bovaird, T., & Lineweaver, C. H. (2013). Exoplanet predictions based on the generalized titius-bode relation. Monthly Notices of the Royal Astronomical Society, 435(2), 1126–1138. https://doi.org/10.1093/mnras/stt1357

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