The EKB divided into six sub-rings: material composition together with the sizes and distances for which that composition was adopted.
|Ring #||Material||s [ μm]||Distance [AU]|
|1||astrosilicate||0.425 < s < ∞||0 < r < 8|
|2||dirty ice||3.51 < s < ∞||8 ≤ r < 12|
|3||astrosilicate||0.425 < s ≤ 3.51||8 ≤ r < 12|
|4||dirty ice||1.51 < s < ∞||12 ≤ r < 16|
|5||astrosilicate||0.425 < s ≤ 1.51||12 ≤ r < 16|
|6||dirty ice||0.425 < s < ∞||16 ≤ r < ∞|
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