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Table 8

Orbital parameters for κ Cepheids and asteroid 2009 SG18 with corresponding DSH values.

κ Cepheids q e i Node ω DSH
references (AU) (°) (°) (°)

1 0.983 0.664 57.7 174.4 198.4 0.10
2 0.987 0.647 55.9 177.2 190.4 0.17
2009 SG18 0.993 0.672 58.4 177.6 204.1 0

Notes. Orbital elements (mean values for shower data): q = perihelion distance, e = eccentricity, i = inclination, Node = node, ω = argument of perihelion, DSH = Southworth and Hawking D-criterion with respect to 2009 SG18.

Reference. (1) Šegon et al. (2014c); (2) Rudawska et al. (2015).

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