Project Icarus: Preliminary Thoughts on the Selection of Probes and Instruments for an Icarus-style Interstellar Mission
Ian A. Crawford

TL;DR
This paper discusses the preliminary design considerations for probes and instruments needed for the Icarus interstellar mission, estimating a total payload mass of around 200 tonnes including probes, instruments, and support systems.
Contribution
It provides an initial mass estimate and conceptual framework for the probes and instruments essential for an interstellar exploration mission like Icarus.
Findings
Estimated total scientific payload mass of ~200 tonnes.
Breakdown of payload into probes, instruments, and support systems.
Preliminary mass allocations based on current mission analogs.
Abstract
In this paper we outline the range of probes and scientific instruments that will be required in order for Icarus to fulfill its scientific mission of exploring a nearby star, its attendant planetary system, and the intervening interstellar medium. Based on this preliminary analysis, we estimate that the minimum total Icarus scientific payload mass (i.e. the mass of probes and instruments which must be decelerated to rest in the target system to enable a meaningful programme of scientific investigation) will be in the region of 100 tonnes. Of this, approximately 10 tonnes would be allocated for cruise-phase science instruments, and about 35 tonnes (i.e. the average of estimated lower and upper limits of 28 and 41 tonnes) would be contributed by the intra-system science payload itself (i.e. the dry mass of the stellar and planetary probes and their instruments). The remaining ~55 tonnes…
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Taxonomy
TopicsAstro and Planetary Science · Planetary Science and Exploration · Spacecraft Dynamics and Control
