This work describes the operation of the sampler, drill and distribution (SD2) subsystem onboard the lander Philae of Rosetta mission. Rosetta reached the comet 67P/Churyumov-Gerasimenko in 2014 and released its lander Philae on the comet surface on November 12, 2014 for in-situ investigation. SD2 is devoted to soil drilling, samples collection, and their distribution to three scientific instruments. Philae's landing was not nominal and SD2 was operated in unexpected conditions: The lander was not anchored to the soil and leant on the comet surface shakily. Nevertheless, one sampling procedure was attempted. This paper provides an overview of SD2 on-comet activities and analyse SD2 achievements during the first phase of Philae's on-comet operations.
Rosetta Philae Sampling Drilling and Distribution Subsystem: Operation and Results from the First On-Comet Phase
DI LIZIA, PIERLUIGI;BERNELLI ZAZZERA, FRANCO;ERCOLI, AMALIA
2015-01-01
Abstract
This work describes the operation of the sampler, drill and distribution (SD2) subsystem onboard the lander Philae of Rosetta mission. Rosetta reached the comet 67P/Churyumov-Gerasimenko in 2014 and released its lander Philae on the comet surface on November 12, 2014 for in-situ investigation. SD2 is devoted to soil drilling, samples collection, and their distribution to three scientific instruments. Philae's landing was not nominal and SD2 was operated in unexpected conditions: The lander was not anchored to the soil and leant on the comet surface shakily. Nevertheless, one sampling procedure was attempted. This paper provides an overview of SD2 on-comet activities and analyse SD2 achievements during the first phase of Philae's on-comet operations.File | Dimensione | Formato | |
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