This template creates an external link for a given binary asteroid (having a minor-planet moon) to the corresponding object page at Johnston's Archive. Helpful summary pages for reference:
{{JA-BIN|01862}}
produces BIN to the binary asteroid 1862 Apollo (note: zero padding to 5 digits for smaller numbers){{JA-BIN|2017ye5|prov}}
produces BIN to the binary asteroid 2017 YE5 (note: 2nd param value "prov" for unnumbered binaries)External link templates for minor planets
Local link templates for minor planets and on related topics
Link templates on Solar System features
Partial list templates (minor planets/meanings/named-MPs)