2021
DOI: 10.48550/arxiv.2110.13327
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Enhancing Ground-Based Observations of Trans-Neptunian Objects using a Single-Epoch Parallax Measurement from L2

Mark R. Giovinazzi,
Cullen H. Blake,
Pedro H. Bernardinelli

Abstract: Space-based observatories at the second Sun-Earth Lagrange Point (L2) offer a unique opportunity to efficiently determine the orbits of distant solar system objects by taking advantage of the parallax effect that arises from nearly simultaneous ground-and space-based observations. Given the typical orbit of an observatory about L2, the observational baseline of ∼ 1.5 × 10 6 km between L2 and Earth results in an instantaneous parallax of ∼10 -100 , even for the most distant of detectable trans-Neptunian objects… Show more

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