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Table 3

Orbital parameters for the July ξ Arietids and Comet 1964 N1 Ikeya with corresponding DSH values.

July ξ Arietids q e i Node ω D SH
references (AU) (°) (°) (°)

1 0.883 0.965 171.6 299.0 318.0 0.10
2 0.863 0.939 171.8 292.6 313.8 0.08
3 0.836 0.919 171.5 291.1 309.8 0.09
4 0.860 0.969 170.4 292.7 312.4 0.08
C/1964 N1 Ikeya 0.822 0.985 171.9 269.9 290.8 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 1964 N1 Ikeya.

Reference. (1) Šegon et al. (2014c); (2) Kornoš et al. (2014); (3) Rudawska et al. (2015); (4) Jenniskens et al. (2016).

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