Influence of Lunar Mascons on its Dynamical Figure

  title={Influence of Lunar Mascons on its Dynamical Figure},
  author={B T O'leary},
  • B. O'leary
  • Published 28 December 1968
  • Physics, Geology
  • Nature
THE recent discovery of large mass concentrations (mascons) beneath the lunar circular maria from Lunar Orbiter tracking data1 raises the question of whether mascons can influence the dynamical figure of the Moon. A convenient way to describe the lunar figure is in terms of the moments of inertia about the three principal axes, where C is about the axis of rotation, A is about an axis along the lines of centres of the Earth and the Moon, and B is about an axis tangent to the orbit. It is well… 
4 Citations

Mascons and lunar gravity

The mascon in a lunar ringed mare is approximately proportional to the area of the mare material in the basin. This relationship is consistent with the hypothesis that the lunar mascons are produced

Evidence for lunar true polar wander and a past low‐eccentricity, synchronous lunar orbit

As first noted 200 years ago by Laplace, the Moon's rotational and tidal bulges are significantly larger than expected, given the Moon's present orbital and rotational state. This excess deformation



The internal constitutions of the inner planets and the moon

The internal structures of the moon, Mars, Venus, and Mercury are examined in the light of what is known about the constitution of the earth. The gravitational figure of the earth as obtained from

Rotational Period of the Planet Mercury

IN a recent communication by S. J. Peale and T. Gold1 the rotational period of Mercury, determined from radar Doppler-spread measurements to be 59 ± 5 days2, has been explained in terms of a solar

Mascons: Lunar Mass Concentrations

Lunar Orbiter tracking data have been processed to supply a qualitatively consistent gravimetric map of the lunar nearside and the results indicate that there are large mass concentrations under the lunar ringed maria.

Lunar Gravity: Preliminary Estimates from Lunar Orbiter

Preliminary results include values of a set of harmonic coefficients throlugh degree 4 in the tesserals and degree 8 in the zonals that suggest that Moon is nearly homogeneous.