publication . Article . 2009

Proposals for the masses of the three largest asteroids, the Moon-Earth mass ratio and the Astronomical Unit

Pitjeva, E. V.; Standish, E. M.;
Open Access
  • Published: 01 Apr 2009 Journal: Celestial Mechanics and Dynamical Astronomy, volume 103, pages 365-372 (issn: 0923-2958, eissn: 1572-9478, Copyright policy)
  • Publisher: Springer Science and Business Media LLC
Abstract
We propose to the NSFA (the IAU Working Group on Numerical Standards for Fundamental Astronomy) the following representative values and realistic uncertainties for the masses of the three largest asteroids (Ceres, Pallas, Vesta), to be used as the current best estimates: $$\begin{array}{ll}M_{\rm Ceres}/M_\odot \,=\, 4.72(3)\cdot 10^{-10},\\ M_{\rm Pallas}/M_\odot \,=\, 1.03(3)\cdot 10^{-10},\\ M_{\rm Vesta}/M_\odot\, =\, 1.35(3)\cdot 10^{-10}.\end{array}$$ Unlike the values previously adopted in the Astronomical Almanac, these are consistent with nearly all of the twenty or so modern accurate determinations from various authors. We also have proposed the follow...
Subjects
free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Asteroid, Astronomical Almanac, Physics, Ephemeris, Earth mass, Astrophysics, Astronomy, Astronomical unit, Mass ratio
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publication . Article . 2009

Proposals for the masses of the three largest asteroids, the Moon-Earth mass ratio and the Astronomical Unit

Pitjeva, E. V.; Standish, E. M.;