An optimal Earth Trojan asteroid search strategy
M. Todd, P. Tanga, D. M. Coward, M. G. Zadnik

TL;DR
This paper develops an optimized search strategy for Earth Trojan asteroids, aiming to enhance detection efficiency using specific survey models and telescope configurations, thereby improving our understanding of early Solar System conditions.
Contribution
It introduces a new model that identifies optimal search regions and imaging cadences for detecting Earth Trojans with various telescopes, including Gaia.
Findings
Optimized search areas for Earth Trojans identified.
Recommended imaging cadences for survey telescopes proposed.
Enhanced detection probability for Earth Trojans demonstrated.
Abstract
Trojan asteroids are minor planets that share the orbit of a planet about the Sun and librate around the L4 or L5 Lagrangian points of stability. They are important solar-system fossils because they carry information on early Solar System formation, when collisions between bodies were more frequent. Discovery and study of terrestrial planet Trojans will help constrain models for the distribution of bodies and interactions in the inner Solar System. Since the discovery of the first outer planet Trojan in 1906, several thousand Jupiter Trojans have been found. Of the terrestrial planets there are four known Mars Trojans, and one Earth Trojan has been recently discovered. We present a new model that constrains optimal search areas, and imaging cadences for narrow and wide field survey telescopes including the Gaia satellite for the most efficient use of telescope time to maximize the…
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