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Abstract

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) × 10-10 solar mass was derived, the indicated uncertainty being a probable error.

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References

International Astronomical Union Circular 1983 (1966).
Barnard, E. E., Monthly Notices of the Royal Astronomical Society 60: 261 (1900).
CARPENTER, L.H., PERSONAL COMMUNICATION.
OKEEFE, J.A., PERSONAL COMMUNICATION.

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Published In

Science
Volume 160 | Issue 3825
19 April 1968

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Published in print: 19 April 1968

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Hans G. Hertz
Goddard Space Flight Center, Greenbelt, Maryland

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