Multi-epoch stellar occultations reveal Quaoar is an oblate spheroid with density 1.760±0.109 g/cm³, consistent with Maclaurin hydrostatic equilibrium and dwarf planet status.
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SOCCA extends HG1G2 by modeling the projected surface of a rotating triaxial ellipsoid to jointly retrieve absolute magnitude, phase parameters, spin state, and shape from sparse multi-band photometry, halving residuals and tripling precision on LSST simulations and Eugenia data.
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Size, shape, density, and atmospheric limit of (50000) Quaoar revealed from 14 years of stellar occultation
Multi-epoch stellar occultations reveal Quaoar is an oblate spheroid with density 1.760±0.109 g/cm³, consistent with Maclaurin hydrostatic equilibrium and dwarf planet status.
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Shape, Orientation and Colors Combined approach for Asteroids (SOCCA)
SOCCA extends HG1G2 by modeling the projected surface of a rotating triaxial ellipsoid to jointly retrieve absolute magnitude, phase parameters, spin state, and shape from sparse multi-band photometry, halving residuals and tripling precision on LSST simulations and Eugenia data.