Variation in the number of meteoroid impacts on the Moon with lunar phase

A. M. Dainty*, S. Stein, M. N. Toksöz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Data from the ALSEP 12 and 14 seismometers of the Apollo Passive Seismic Experiment Network are used to determine the statistics of the mass distribution of meteoroids and their direction of approach in near earth space. The cumulative number of meteoroid impacts detected is analyzed as a function of phase of the moon, taking into account the sensitivity of the seismometer and the seismic wave propagation characteristics of the moon. We conclude that, in the mass range studied (>5 kg), (a) most meteoroid orbits lie near the plane of the ecliptic, (b) the orbits have aphelia between 2 and 5 a.u., and (c) the mass distribution statistics are described by the relation log10 n = B + G log10 m, where n = number of meteoroids of mass m grams or greater, B ∼ 0.9 and G = −1.5.

Original languageEnglish (US)
Pages (from-to)273-276
Number of pages4
JournalGeophysical Research Letters
Volume2
Issue number7
DOIs
StatePublished - Jan 1 1975

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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