Modelling DESTINY+ interplanetary and interstellar dust measurements en route to the active asteroid (3200) Phaethon

Abstract

The JAXA/ISAS spacecraft DESTINY${}^{+}$ will be launched to the active asteroid (3200) Phaethon in 2022. Among the proposed core payload is the DESTINY+ Dust Analyzer (DDA) which is an upgrade of the Cosmic Dust Analyzer flown on the Cassini spacecraft to Saturn (Srama et al. 2011). We use two up-to-date computer models, the ESA Interplanetary Meteoroid Engineering Model (IMEM, Dikarev et al. 2005), and the interstellar dust module of the Interplanetary Meteoroid environment for EXploration model (IMEX; Sterken2013 et al., Strub et al. 2019) to study the detection conditions and fluences of interplanetary and interstellar dust with DDA. Our results show that a statistically significant number of interplanetary and interstellar dust particles will be detectable with DDA during the 4-years interplanetary cruise of DESTINY+. The particle impact direction and speed can be used to descriminate between interstellar and interplanetary particles and likely also to distinguish between cometary and asteroidal particles.

arXiv comment40 pages, 18 Figures, accepted for Planetary and Space Science

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Cited by in corpus (11)

• Mission Design of DESTINY+: Toward Active Asteroid (3200) Phaethon and Multiple Small Bodies
• Parker Solar Probe Observations of a Dust Trail in the Orbit of (3200) Phaethon
• Interstellar Dust in the Solar System: Model versus In-Situ Spacecraft Data
• Evidence of surface heterogeneity on active asteroid (3200) Phaethon
• Continued PSP/WISPR Observations of a Phaethon-related Dust Trail
• Formation, Structure, and Detectability of the Geminids Meteoroid Stream
• Perihelion Activity of (3200) Phaethon Is Not Dusty: Evidence from STEREO/COR2 Observations
• Alpha-Meteoroids then and now: Unearthing an overlooked micrometeoroid population
• Synergies between interstellar dust and heliospheric science with an Interstellar Probe
• WISE/NEOWISE Multi-Epoch Imaging of the Potentially Geminid-related Asteroids: (3200) Phaethon, 2005 UD and 1999 YC
• The unresolved mystery of dust particle swarms within the magnetosphere