Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos
Resumen:
Morphological mapping is a fundamental step in studying the processes that shaped an asteroid surface. However, it is challenging and often requires multiple independent assessments by trained experts. Here we present fast methods to detect and characterize meaningful terrains from the topographic roughness: entropy of information, and local mean surface orientation. We apply our techniques to Didymos and Dimorphos, the target asteroids of NASAʼs Double Asteroid Redirection Test mission—the first attempt to deflect an asteroid. Our methods reliably identify morphological units at multiple scales. The comparative study reveals various terrain types, signatures of processes that transformed Didymos and Dimorphos. Didymos shows the most heterogeneity and morphology that indicate recent resurfacing events. Dimorphos is comparatively rougher than Didymos, which may result from the formation process of the binary pair and past interaction between the two bodies. Our methods can be readily applied to other bodies and data sets.
| 2024 | |
| Asteroids | |
| Inglés | |
| Universidad de la República | |
| COLIBRI | |
| https://hdl.handle.net/20.500.12008/48802 | |
| Acceso abierto | |
| Licencia Creative Commons Atribución (CC - By 4.0) |
| _version_ | 1872864697039978496 |
|---|---|
| author | Vincent, Jean-Baptiste |
| author2 | Asphaug, Erik Barnouin, Olivier S. Beccarelli, Joel Benavidez, Paula G. Campo-Bagatin, Adriano Chabot, Nancy L. Ernst, Carolyn M. Hasselmann, P. H. Hirabayashi, Masatoshi Ieva, Simone Karatekin, Özgür Kašpárek, Tomáš Kohout, Tomáš Yi Lin, Zhong Lucchetti, Alice Michel, Patrick Murdoch, Naomi Pajola, Maurizio Parro, Laura M. Raducan, Sabina D. Sunshine, Jessica Tancredi Machado, Gonzalo José Trigo-Rodriguez, Josep M. Zinzi, Angelo |
| author2_role | author author author author author author author author author author author author author author author author author author author author author author author author |
| author_facet | Vincent, Jean-Baptiste Asphaug, Erik Barnouin, Olivier S. Beccarelli, Joel Benavidez, Paula G. Campo-Bagatin, Adriano Chabot, Nancy L. Ernst, Carolyn M. Hasselmann, P. H. Hirabayashi, Masatoshi Ieva, Simone Karatekin, Özgür Kašpárek, Tomáš Kohout, Tomáš Yi Lin, Zhong Lucchetti, Alice Michel, Patrick Murdoch, Naomi Pajola, Maurizio Parro, Laura M. Raducan, Sabina D. Sunshine, Jessica Tancredi Machado, Gonzalo José Trigo-Rodriguez, Josep M. Zinzi, Angelo |
| author_role | author |
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| collection | COLIBRI |
| dc.contributor.filiacion.none.fl_str_mv | Vincent Jean-Baptiste Asphaug Erik Barnouin Olivier S. Beccarelli Joel Benavidez Paula G. Campo-Bagatin Adriano Chabot Nancy L. Ernst Carolyn M. Hasselmann P. H. Hirabayashi Masatoshi Ieva Simone Karatekin Özgür Kašpárek Tomáš Kohout Tomáš Yi Lin Zhong Lucchetti Alice Michel Patrick Murdoch Naomi Pajola Maurizio Parro Laura M. Raducan Sabina D. Sunshine Jessica Tancredi Machado Gonzalo José, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Física Trigo-Rodriguez Josep M. Zinzi Angelo |
| dc.creator.none.fl_str_mv | Vincent, Jean-Baptiste Asphaug, Erik Barnouin, Olivier S. Beccarelli, Joel Benavidez, Paula G. Campo-Bagatin, Adriano Chabot, Nancy L. Ernst, Carolyn M. Hasselmann, P. H. Hirabayashi, Masatoshi Ieva, Simone Karatekin, Özgür Kašpárek, Tomáš Kohout, Tomáš Yi Lin, Zhong Lucchetti, Alice Michel, Patrick Murdoch, Naomi Pajola, Maurizio Parro, Laura M. Raducan, Sabina D. Sunshine, Jessica Tancredi Machado, Gonzalo José Trigo-Rodriguez, Josep M. Zinzi, Angelo |
| dc.date.accessioned.none.fl_str_mv | 2025-03-27T18:38:17Z |
| dc.date.available.none.fl_str_mv | 2025-03-27T18:38:17Z |
| dc.date.issued.none.fl_str_mv | 2024 |
| dc.description.abstract.none.fl_txt_mv | Morphological mapping is a fundamental step in studying the processes that shaped an asteroid surface. However, it is challenging and often requires multiple independent assessments by trained experts. Here we present fast methods to detect and characterize meaningful terrains from the topographic roughness: entropy of information, and local mean surface orientation. We apply our techniques to Didymos and Dimorphos, the target asteroids of NASAʼs Double Asteroid Redirection Test mission—the first attempt to deflect an asteroid. Our methods reliably identify morphological units at multiple scales. The comparative study reveals various terrain types, signatures of processes that transformed Didymos and Dimorphos. Didymos shows the most heterogeneity and morphology that indicate recent resurfacing events. Dimorphos is comparatively rougher than Didymos, which may result from the formation process of the binary pair and past interaction between the two bodies. Our methods can be readily applied to other bodies and data sets. |
| dc.format.extent.es.fl_str_mv | 13 h |
| dc.format.mimetype.es.fl_str_mv | application/pdf |
| dc.identifier.citation.es.fl_str_mv | Vincent, J, Asphaug, E, Barnouin, O [y otros autores]. "Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos". The Planetary Science Journal. [en línea] 2024, 5(10): 236. 13 h. DOI: 10.3847/PSJ/ad7a01 |
| dc.identifier.doi.none.fl_str_mv | 10.3847/PSJ/ad7a01 |
| dc.identifier.issn.none.fl_str_mv | 2632-3338 |
| dc.identifier.uri.none.fl_str_mv | https://hdl.handle.net/20.500.12008/48802 |
| dc.language.iso.none.fl_str_mv | en eng |
| dc.publisher.es.fl_str_mv | IOP |
| dc.relation.none.fl_str_mv | The Planetary Science Journal, 2024, 5(10): 236 |
| dc.rights.license.none.fl_str_mv | Licencia Creative Commons Atribución (CC - By 4.0) |
| dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess |
| dc.source.none.fl_str_mv | reponame:COLIBRI instname:Universidad de la República instacron:Universidad de la República |
| dc.subject.es.fl_str_mv | Asteroids |
| dc.title.none.fl_str_mv | Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos |
| dc.type.es.fl_str_mv | Artículo |
| dc.type.none.fl_str_mv | info:eu-repo/semantics/article |
| dc.type.version.none.fl_str_mv | info:eu-repo/semantics/publishedVersion |
| description | Morphological mapping is a fundamental step in studying the processes that shaped an asteroid surface. However, it is challenging and often requires multiple independent assessments by trained experts. Here we present fast methods to detect and characterize meaningful terrains from the topographic roughness: entropy of information, and local mean surface orientation. We apply our techniques to Didymos and Dimorphos, the target asteroids of NASAʼs Double Asteroid Redirection Test mission—the first attempt to deflect an asteroid. Our methods reliably identify morphological units at multiple scales. The comparative study reveals various terrain types, signatures of processes that transformed Didymos and Dimorphos. Didymos shows the most heterogeneity and morphology that indicate recent resurfacing events. Dimorphos is comparatively rougher than Didymos, which may result from the formation process of the binary pair and past interaction between the two bodies. Our methods can be readily applied to other bodies and data sets. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | COLIBRI_59e91ca2e3f375e43a9c7334d987182b |
| identifier_str_mv | Vincent, J, Asphaug, E, Barnouin, O [y otros autores]. "Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos". The Planetary Science Journal. [en línea] 2024, 5(10): 236. 13 h. DOI: 10.3847/PSJ/ad7a01 2632-3338 10.3847/PSJ/ad7a01 |
| instacron_str | Universidad de la República |
| institution | Universidad de la República |
| instname_str | Universidad de la República |
| language | eng |
| language_invalid_str_mv | en |
| network_acronym_str | COLIBRI |
| network_name_str | COLIBRI |
| oai_identifier_str | oai:colibri.udelar.edu.uy:20.500.12008/48802 |
| publishDate | 2024 |
| reponame_str | COLIBRI |
| repository.mail.fl_str_mv | karina.camps@seciu.edu.uy |
| repository.name.fl_str_mv | COLIBRI - Universidad de la República |
| repository_id_str | 4771 |
| rights_invalid_str_mv | Licencia Creative Commons Atribución (CC - By 4.0) |
| spelling | Vincent Jean-BaptisteAsphaug ErikBarnouin Olivier S.Beccarelli JoelBenavidez Paula G.Campo-Bagatin AdrianoChabot Nancy L.Ernst Carolyn M.Hasselmann P. H.Hirabayashi MasatoshiIeva SimoneKaratekin ÖzgürKašpárek TomášKohout TomášYi Lin ZhongLucchetti AliceMichel PatrickMurdoch NaomiPajola MaurizioParro Laura M.Raducan Sabina D.Sunshine JessicaTancredi Machado Gonzalo José, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de FísicaTrigo-Rodriguez Josep M.Zinzi Angelo2025-03-27T18:38:17Z2025-03-27T18:38:17Z2024Vincent, J, Asphaug, E, Barnouin, O [y otros autores]. "Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos". The Planetary Science Journal. [en línea] 2024, 5(10): 236. 13 h. DOI: 10.3847/PSJ/ad7a012632-3338https://hdl.handle.net/20.500.12008/4880210.3847/PSJ/ad7a01Morphological mapping is a fundamental step in studying the processes that shaped an asteroid surface. However, it is challenging and often requires multiple independent assessments by trained experts. Here we present fast methods to detect and characterize meaningful terrains from the topographic roughness: entropy of information, and local mean surface orientation. We apply our techniques to Didymos and Dimorphos, the target asteroids of NASAʼs Double Asteroid Redirection Test mission—the first attempt to deflect an asteroid. Our methods reliably identify morphological units at multiple scales. The comparative study reveals various terrain types, signatures of processes that transformed Didymos and Dimorphos. Didymos shows the most heterogeneity and morphology that indicate recent resurfacing events. Dimorphos is comparatively rougher than Didymos, which may result from the formation process of the binary pair and past interaction between the two bodies. Our methods can be readily applied to other bodies and data sets.Submitted by Pintos Natalia (nataliapintosmvd@gmail.com) on 2025-03-27T18:16:10Z No. of bitstreams: 2 license_rdf: 24942 bytes, checksum: 58cb336ce230a47d2f88ad02838a665f (MD5) 10.3847-PSJ-ad7a01.pdf: 1819213 bytes, checksum: 7e7666fd844ee4e366f36c152584ad8f (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2025-03-27T18:22:12Z (GMT) No. of bitstreams: 2 license_rdf: 24942 bytes, checksum: 58cb336ce230a47d2f88ad02838a665f (MD5) 10.3847-PSJ-ad7a01.pdf: 1819213 bytes, checksum: 7e7666fd844ee4e366f36c152584ad8f (MD5)Made available in DSpace by Camps Karina (karina.camps@seciu.edu.uy) on 2025-03-27T18:38:17Z (GMT). No. of bitstreams: 2 license_rdf: 24942 bytes, checksum: 58cb336ce230a47d2f88ad02838a665f (MD5) 10.3847-PSJ-ad7a01.pdf: 1819213 bytes, checksum: 7e7666fd844ee4e366f36c152584ad8f (MD5) Previous issue date: 202413 happlication/pdfenengIOPThe Planetary Science Journal, 2024, 5(10): 236Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución (CC - By 4.0)AsteroidsMacroscale roughness reveals the complex history of Asteroids Didymos and DimorphosArtículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaVincent, Jean-BaptisteAsphaug, ErikBarnouin, Olivier S.Beccarelli, JoelBenavidez, Paula G.Campo-Bagatin, AdrianoChabot, Nancy L.Ernst, Carolyn M.Hasselmann, P. H.Hirabayashi, MasatoshiIeva, SimoneKaratekin, ÖzgürKašpárek, TomášKohout, TomášYi Lin, ZhongLucchetti, AliceMichel, PatrickMurdoch, NaomiPajola, MaurizioParro, Laura M.Raducan, Sabina D.Sunshine, JessicaTancredi Machado, Gonzalo JoséTrigo-Rodriguez, Josep M.Zinzi, AngeloLICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/48802/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; charset=utf-844http://localhost:8080/xmlui/bitstream/20.500.12008/48802/2/license_urla0ebbeafb9d2ec7cbb19d7137ebc392cMD52license_textlicense_texttext/html; charset=utf-826973http://localhost:8080/xmlui/bitstream/20.500.12008/48802/3/license_text8b82caa0c45d60ccf023893f91a60a0aMD53license_rdflicense_rdfapplication/rdf+xml; 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públicahttps://udelar.edu.uy/https://www.colibri.udelar.edu.uy/oai/requestkarina.camps@seciu.edu.uyUruguayopendoar:47712026-05-22T14:42:39COLIBRI - Universidad de la Repúblicafalse |
| spellingShingle | Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos Vincent, Jean-Baptiste Asteroids |
| status_str | publishedVersion |
| title | Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos |
| title_full | Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos |
| title_fullStr | Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos |
| title_full_unstemmed | Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos |
| title_short | Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos |
| title_sort | Macroscale roughness reveals the complex history of Asteroids Didymos and Dimorphos |
| topic | Asteroids |
| url | https://hdl.handle.net/20.500.12008/48802 |
