Characterization of the Deep, Extended Kuiper Belt in the Galactic Disk
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2025
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| author | Benecchi, Susan D. Porter, Simon B. Verbiscer, Anne J. Gerdes, David W. Fraser, Wesley C. Peltier, Lowell Kavelaars, JJ Buie, Marc W. Stern, S. Alan Terai, Tsuyoshi Ito, Takashi Yoshida, Fumi Ragozzine, Darin Holler, Bryan |
| author_facet | Benecchi, Susan D. Porter, Simon B. Verbiscer, Anne J. Gerdes, David W. Fraser, Wesley C. Peltier, Lowell Kavelaars, JJ Buie, Marc W. Stern, S. Alan Terai, Tsuyoshi Ito, Takashi Yoshida, Fumi Ragozzine, Darin Holler, Bryan |
| contents | We propose a Roman Space Telescope survey to investigate fundamental properties of the distant solar system in the region of the Kuiper Belt where object characteristics and the size distribution are inaccessible from any other telescope. Our pointing is coincident with the search space accessible to NASA's New Horizons spacecraft meaning, that a discovered object sufficiently near the orbit of New Horizons would potentially be investigated by a close flyby. In addition, numerous objects expected to be discovered by this search can be observed in the distance by New Horizons allowing their surface properties and satellite systems to both be probed. As designed, this survey will discover and determine orbits for as many as 900 Kuiper Belt objects (KBOs), providing a unique opportunity for ground-breaking Kuiper Belt science. It will simultaneously: (1) Probe and characterize the deep Kuiper Belt by identifying objects as small as a few km and taking our understanding of the size distribution to a new level. This has implications for understanding the the standard model (the Streaming Instability) of KBO formation and elucidating crater formation physics on these icy bodies. (2) Open KBO rotation studies, in particular of those objects with long rotation periods,(3) Discover and characterize KBO binaries at large distances, important because their duplicity offers information about object densities at these distant locations from the Sun. (4) Shed light on the cratering history of KBOs and improving the dating of the surfaces of Arrokoth, Pluto and Charon in addition to helping to place the 32 distant KBOs New Horizons has observed in context. This project also has synergies with transiting exoplanet studies due to the stellar density of our search fields. Coupled with our timing requirements it is sensitive to discovery of hot Jupiters and hot Neptunes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_02909 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Characterization of the Deep, Extended Kuiper Belt in the Galactic Disk Benecchi, Susan D. Porter, Simon B. Verbiscer, Anne J. Gerdes, David W. Fraser, Wesley C. Peltier, Lowell Kavelaars, JJ Buie, Marc W. Stern, S. Alan Terai, Tsuyoshi Ito, Takashi Yoshida, Fumi Ragozzine, Darin Holler, Bryan Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics We propose a Roman Space Telescope survey to investigate fundamental properties of the distant solar system in the region of the Kuiper Belt where object characteristics and the size distribution are inaccessible from any other telescope. Our pointing is coincident with the search space accessible to NASA's New Horizons spacecraft meaning, that a discovered object sufficiently near the orbit of New Horizons would potentially be investigated by a close flyby. In addition, numerous objects expected to be discovered by this search can be observed in the distance by New Horizons allowing their surface properties and satellite systems to both be probed. As designed, this survey will discover and determine orbits for as many as 900 Kuiper Belt objects (KBOs), providing a unique opportunity for ground-breaking Kuiper Belt science. It will simultaneously: (1) Probe and characterize the deep Kuiper Belt by identifying objects as small as a few km and taking our understanding of the size distribution to a new level. This has implications for understanding the the standard model (the Streaming Instability) of KBO formation and elucidating crater formation physics on these icy bodies. (2) Open KBO rotation studies, in particular of those objects with long rotation periods,(3) Discover and characterize KBO binaries at large distances, important because their duplicity offers information about object densities at these distant locations from the Sun. (4) Shed light on the cratering history of KBOs and improving the dating of the surfaces of Arrokoth, Pluto and Charon in addition to helping to place the 32 distant KBOs New Horizons has observed in context. This project also has synergies with transiting exoplanet studies due to the stellar density of our search fields. Coupled with our timing requirements it is sensitive to discovery of hot Jupiters and hot Neptunes. |
| title | Characterization of the Deep, Extended Kuiper Belt in the Galactic Disk |
| topic | Instrumentation and Methods for Astrophysics Earth and Planetary Astrophysics |
| url | https://arxiv.org/abs/2503.02909 |