heliostack: A Novel Approach to Minor Planet Discovery
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866910142916722688 |
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| author | Napier, Kevin J Holman, Matthew J Lin, Hsing-Wen Gerdes, David W Ruch, Thomas R |
| author_facet | Napier, Kevin J Holman, Matthew J Lin, Hsing-Wen Gerdes, David W Ruch, Thomas R |
| contents | The study of faint solar system objects is a promising avenue for understanding the origin and evolution of planetary systems. However, such objects are difficult to detect in conventional surveys. Here we introduce heliostack, an algorithm for nonlinear shift-and-stack searches for solar system objects, which enables us to combine images taken over longer time spans than was previously possible. Applying this algorithm to a number of existing archival and forthcoming surveys will allow us to maximize their potential for discovering faint solar system objects. In this work, we apply heliostack to archival Hubble Space Telescope (HST) data, completing an exhaustive search for Cold Classical Kuiper Belt Objects in a set of HST images taken over a 15-day time span in 2003. We successfully recover both of the known sub-threshold objects in the data, and add two new discoveries. These two new objects are the first to ever be discovered in stacks of images taken over a time span longer than about one day. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2604_16731 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | heliostack: A Novel Approach to Minor Planet Discovery Napier, Kevin J Holman, Matthew J Lin, Hsing-Wen Gerdes, David W Ruch, Thomas R Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics The study of faint solar system objects is a promising avenue for understanding the origin and evolution of planetary systems. However, such objects are difficult to detect in conventional surveys. Here we introduce heliostack, an algorithm for nonlinear shift-and-stack searches for solar system objects, which enables us to combine images taken over longer time spans than was previously possible. Applying this algorithm to a number of existing archival and forthcoming surveys will allow us to maximize their potential for discovering faint solar system objects. In this work, we apply heliostack to archival Hubble Space Telescope (HST) data, completing an exhaustive search for Cold Classical Kuiper Belt Objects in a set of HST images taken over a 15-day time span in 2003. We successfully recover both of the known sub-threshold objects in the data, and add two new discoveries. These two new objects are the first to ever be discovered in stacks of images taken over a time span longer than about one day. |
| title | heliostack: A Novel Approach to Minor Planet Discovery |
| topic | Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2604.16731 |