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AGU: Geophysical Research Letters

 

Index Terms

  • Planetology: Solid Surface Planets: Impact phenomena (includes cratering)
  • Planetology: Solid Surface Planets: Interiors
  • Planetology: Solid Surface Planets: Instruments and techniques
  • Geodesy and Gravity: Standards and absolute measurements

Abstract

GEOPHYSICAL RESEARCH LETTERS, VOL. 23, NO. 14, PP. 1857-1860, 1996
doi:10.1029/96GL01589

Venusian k 2 tidal Love number from Magellan and PVO tracking data

A. S. Konopliv

Jet Propulsion Laboratory, California Institute of Technology, Pasadena

C. F. Yoder

Jet Propulsion Laboratory, California Institute of Technology, Pasadena

The k 2 potential Love number which scales the tidal deformation of Venus by the Sun has been estimated from Doppler tracking of Magellan and Pioneer Venus Orbiter (PVO) spacecraft data. The nominal range for k 2 from theoretical models is 0.23 ≤ k 2 ≤ 0.29 for a liquid iron core and about 0.17 if the iron core has solidified. Our best estimate of this parameter is k 2 = 0.295±0.066(2× formal σ) and supports the hypothesis that Venus core is liquid.

Received 23 October 1995; accepted 10 April 1996; .

Citation: Konopliv, A. S., and C. F. Yoder (1996), Venusian k 2 tidal Love number from Magellan and PVO tracking data, Geophys. Res. Lett., 23(14), 1857–1860, doi:10.1029/96GL01589.

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