The area within the orbit of the Kuiper Belt object (KBO) Arrokoth (or 2014MU69) is approximated using the corresponding ellipse. The fact that the Sun lies at a focus of the ellipse is of interest. Attention is made to the known deviations of orbits from their models. It is at least of interest that the ellipse model is still essentially valid. Theoretically, if there were only the Sun and Arrokoth in the Universe, the orbit would be precisely described by the ellipse model.
"Calculating the Area within the Orbit of Arrokoth,"
Undergraduate Journal of Mathematical Modeling: One + Two:
2, Article 3.
DOI: https://doi.org/10.5038/2326-36220.127.116.1116 Available at: https://digitalcommons.usf.edu/ujmm/vol10/iss2/3
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David Milligan, Mathematics and Statistics
Larry Fineberg, NASA
Kevin Mackay, Astronomy
Problem Suggested By:
Larry Fineberg and Aurielle Collins