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http://hdl.handle.net/20.500.12386/34862
Title: | Toward a European Facility for Ground-Based Radar Observations of Near-Earth Objects | Authors: | PUPILLO, Giuseppe RIGHINI, Simona OROSEI, Roberto BORTOLOTTI, Claudio MACCAFERRI, Giuseppe ROMA, MAURO MASTROGIUSEPPE, MARCO PISANU, Tonino SCHIRRU, Luca Cicalò, Stefano Tripodo, Antonio Harju, Jorma Penttilä, Antti Virkki, Anne K. Bach, Uwe Kraus, Alexander MARGHERI, Alessio Ghiani, Riccardo Iacolina, Maria N. VALENTE, Giuseppe Koschny, Detlef Moissl, Richard Sessler, Gunther |
Issue Date: | 2024 | Journal: | REMOTE SENSING | Number: | 16 | Issue: | 1 | First Page: | 38 | Abstract: | In this work, we present the preliminary results of radar observations of Near-Earth Objects (NEOs) carried out by European radio telescopes in the framework of the European Space Agency (ESA) project “NEO observation concepts for radar systems”, aimed at deriving the functional requirements of a planetary radar system, evaluating the available European assets to perform NEO radar observations, and carrying out test radar campaigns. In the first part of the project, we executed the performance analysis of a possible European planetary radar system. Instrumental features, as much as issues like the impact of weather conditions on signal propagation at different radio frequencies, were considered. This paper focused on the test campaigns, performed in the years 2021–2022 in collaboration with the Jet Propulsion Laboratory (JPL), which led to the observation of several asteroids including 2021 AF8, (4660) Nereus, and 2005 LW3, which allowed us to derive astrometric measurements, as well as to measure physical properties, such as rotation periods, and observe how one of the targets is actually a binary asteroid. The obtained results demonstrated that European radio astronomical dishes, although employed only as receivers (in bistatic or multistatic configurations) and for a limited amount of time, are able to provide a significant contribution to the constitution of a European network to increase the opportunities for NEO monitoring and studies, if a transmitting antenna—equipped with a suitable high-power transmitter—were made available. | URI: | http://hdl.handle.net/20.500.12386/34862 | URL: | https://api.elsevier.com/content/abstract/scopus_id/85181881225 https://www.mdpi.com/2072-4292/16/1/38 |
ISSN: | 2072-4292 | DOI: | 10.3390/rs16010038 | Fulltext: | open |
Appears in Collections: | 1.01 Articoli in rivista |
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remotesensing-16-00038.pdf | Pdf editoriale | 5.61 MB | Adobe PDF | View/Open |
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