Preparing for the 2061 return of Halley's comet -- A rendezvous mission with an innovative imaging system
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arXiv
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| Natura: | Preprint |
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2025
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| author | Barbieri, Cesare Beolchi, Alessandro Bertini, Ivano Da Deppo, Vania Fantino, Elena Flores, Roberto Pernechele, Claudio Pozzi, Chiara |
| author_facet | Barbieri, Cesare Beolchi, Alessandro Bertini, Ivano Da Deppo, Vania Fantino, Elena Flores, Roberto Pernechele, Claudio Pozzi, Chiara |
| contents | The return of Comet 1P/Halley will promote a wide interest for ground and space observations of a celestial body of outstanding scientific and cultural interest. In addition to remote observations, space will open the possibility of in situ science similarly to the passage of 1986. In this paper, we first discuss the scientific motivations for a rendezvous mission, capable to overcome the limitations of the flyby missions that took place at that time. In the second part, we describe an example of a rendezvous trajectory that can be carried out with existing power and propulsion technologies. The transfer is made possible by the gravitational assistance of a giant planet. The resulting mission will be capable to reach the comet beyond the distance of Saturn, when the sublimation of super-volatile species will be ongoing, and well before the onset of the sublimation of water (4 AU). After rendezvous, the spacecraft will accompany the comet for several years before, around and after perihelion (July 2061). Our concept mission does not foresee the implementation of solar panels. In this way, operations can occur even inside the dense dust coma at short distance from the nucleus. In the third part of the paper, an innovative imaging system is proposed, with a very large field of view (100°) capable to record on the same frame details on the surface and the surrounding space, in order to follow for several degrees the trajectories of chunks and clouds ejected by pits or fractures, crucial to the understanding of the cometary activity. A concerted effort is needed in the current decade to plan and approve a rendezvous mission to 1P. Indeed, the scenario here described requires launching before 2040, less than 15 years from now. Later launches imply a severe loss of scientific knowledge, because the spacecraft will not be able to reach the comet before the onset of water sublimation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_12816 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Preparing for the 2061 return of Halley's comet -- A rendezvous mission with an innovative imaging system Barbieri, Cesare Beolchi, Alessandro Bertini, Ivano Da Deppo, Vania Fantino, Elena Flores, Roberto Pernechele, Claudio Pozzi, Chiara Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics The return of Comet 1P/Halley will promote a wide interest for ground and space observations of a celestial body of outstanding scientific and cultural interest. In addition to remote observations, space will open the possibility of in situ science similarly to the passage of 1986. In this paper, we first discuss the scientific motivations for a rendezvous mission, capable to overcome the limitations of the flyby missions that took place at that time. In the second part, we describe an example of a rendezvous trajectory that can be carried out with existing power and propulsion technologies. The transfer is made possible by the gravitational assistance of a giant planet. The resulting mission will be capable to reach the comet beyond the distance of Saturn, when the sublimation of super-volatile species will be ongoing, and well before the onset of the sublimation of water (4 AU). After rendezvous, the spacecraft will accompany the comet for several years before, around and after perihelion (July 2061). Our concept mission does not foresee the implementation of solar panels. In this way, operations can occur even inside the dense dust coma at short distance from the nucleus. In the third part of the paper, an innovative imaging system is proposed, with a very large field of view (100°) capable to record on the same frame details on the surface and the surrounding space, in order to follow for several degrees the trajectories of chunks and clouds ejected by pits or fractures, crucial to the understanding of the cometary activity. A concerted effort is needed in the current decade to plan and approve a rendezvous mission to 1P. Indeed, the scenario here described requires launching before 2040, less than 15 years from now. Later launches imply a severe loss of scientific knowledge, because the spacecraft will not be able to reach the comet before the onset of water sublimation. |
| title | Preparing for the 2061 return of Halley's comet -- A rendezvous mission with an innovative imaging system |
| topic | Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics |
| url | https://arxiv.org/abs/2502.12816 |