Typical magnitude difference (Δm) and angular separation (Θ) between components of multiple SSO systems.
|NEA and MC||15 ± 5|
|MBA (D< 10 km)||15 ± 5|
|MBA (D> 100 km)||3 ± 2|
|KBO||6 ± 4|
Notes. NEA and MCs share similar characteristics, and so do large MBAs and Trojans. We split MBAs into two categories according to the diameter D of the main component. Estimates on the binary frequency in each populations are based on the reviews by Noll et al. (2008) and Margot et al. (2015). We only consider high-inclination KBOs here because the binary fraction in the cold belt is closer to 30% (Fraser et al. 2017).
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