Precision Solar System Dynamics for Ultralight Dark Matter Search
Abstract
Ultralight dark matter exhibits an order-one density fluctuation at the scale of its wavelength. This density fluctuation exists across the entire dark matter halo and interacts with stars and planets, perturbing their motion via gravitational interactions. We investigate the possibility of using precision solar system dynamics to search for ultralight dark matter. We examine this possibility with interplanetary radio range measurements. We show that the precision of current range measurements can probe ultralight dark matter at masses around 10−15eV, had its density in the solar system been 105 larger than the so-called local dark matter density. This limit complements other constraints, such as the one from analyses of pulsar timing observations.
Versions
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BibTeX
@misc{frerick2026precision,
title = {{Precision Solar System Dynamics for Ultralight Dark Matter Search}},
author = {Jonas Frerick and Hyungjin Kim and Felix Kling},
howpublished = {arXiv},
year = {2026},
month = nov,
doi = {10.48550/arxiv.2607.00072},
eprint = {2607.00072},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2607.00072},
note = {CC BY 4.0},
}
RIS
TY - UNPB
TI - Precision Solar System Dynamics for Ultralight Dark Matter Search
AU - Jonas Frerick
AU - Hyungjin Kim
AU - Felix Kling
PY - 2026
DA - 2026/11/04
PB - arXiv
DO - 10.48550/arxiv.2607.00072
UR - https://arxiv.org/abs/2607.00072
AB - Ultralight dark matter exhibits an order-one density fluctuation at the scale of its wavelength. This density fluctuation exists across the entire dark matter halo and interacts with stars and planets, perturbing their motion via gravitational interactions. We investigate the possibility of using precision solar system dynamics to search for ultralight dark matter. We examine this possibility with interplanetary radio range measurements. We show that the precision of current range measurements can probe ultralight dark matter at masses around 10^−15eV, had its density in the solar system been 10^5 larger than the so-called local dark matter density. This limit complements other constraints, such as the one from analyses of pulsar timing observations.
ER -