2013
DOI: 10.1051/0004-6361/201321659
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A thermophysical analysis of the (1862) Apollo Yarkovsky and YORP effects

Abstract: Context. The Yarkovsky effect, which causes orbital drift, and the YORP effect, which causes changes in rotation rate and pole orientation, play important roles in the dynamical and physical evolution of asteroids. Near-Earth asteroid (1862) Apollo has strong detections of both orbital semimajor axis drift and rotational acceleration. Aims. We produce a unified model that can accurately match both observed effects using a single set of thermophysical properties derived from ground-based observations, and we de… Show more

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Cited by 33 publications
(32 citation statements)
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“…Like (1862) Apollo in Rozitis et al (2013), Geographos has three measurements of Yarkovsky semimajor axis drift: -17.7 ± 5.9 m yr −1 by Chesley et al (2008), -37.4 ± 9.0 m yr −1 by Nugent et al (2012), and -27.2 ± 9.0 m yr −1 by Fig. 3.…”
Section: Yarkovsky and Yorp Modellingmentioning
confidence: 97%
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“…Like (1862) Apollo in Rozitis et al (2013), Geographos has three measurements of Yarkovsky semimajor axis drift: -17.7 ± 5.9 m yr −1 by Chesley et al (2008), -37.4 ± 9.0 m yr −1 by Nugent et al (2012), and -27.2 ± 9.0 m yr −1 by Fig. 3.…”
Section: Yarkovsky and Yorp Modellingmentioning
confidence: 97%
“…The methodology used here is exactly the same as that presented in Rozitis et al (2013). To determine the asteroid thermal emission, the ATPM is used to compute the surface temperature variation for each shape model facet during a rotation by solving the 1D heat conduction equation with a surface boundary condition that includes direct and multiple scattered solar radiation, shadowing, and re-absorbed thermal radiation from interfacing facets.…”
Section: Thermophysical Modellingmentioning
confidence: 99%
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