摘要: The existence of gaps in the perihelion distribution orbits multikilometer-sized asteroids that approach terrestrial-group planets is confirmed. This property “large” suggests among them a family last meteorite parent bodies. Astrophysical data were considered for S-asteroids Main Belt and those terrestrial planets. u–x color index, which related to position absorption band at 950 nm asteroid spectra, was chosen qualitative comparison surface composition these (identical or differing composition). u – x color-index distributions analyzed statistically according (q) mean heliocentric distances (a) S-asteroids. It shown are Λ-shaped, peaking q ≈ 1.8 AU 2.2 AU. wings can be approximated by linear regressions. A values regions Earth Mars prompts conclusion bodies vicinity come primarily from various Belt.
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