Mass of Vesta

@article{Hertz1968MassOV,
  title={Mass of Vesta},
  author={H. G. Hertz},
  journal={Science},
  year={1968},
  volume={160},
  pages={299 - 300}
}
The asteroid 197 (Arete) approaches asteroid 4 (Vesta) within 0.04 astronomical unit once every 18 years. It may therefore be possible to determine the mass of Vesta from observations of Arete. From 72 observations a value of (1.20 � 0.08) x 10-10 solar mass was derived, the indicated uncertainty being a probable error. 

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References

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Shishkin
  • Acta Physicochim. U.S.S.R
  • 1937
On the Diameter of Ceres and Vesta
Determined by Fischer titration
    Spectroquality reagent
      This procedure for computation of K was suggested by A. V. Tobolsky whom I thank also for his hospitality during portion of this work
        With the K. Fischer reagent; Mallinckrodt Chemical Works