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Table 2

Mean solar longitude (λ), mean orbital elements (q, e, ω, Ω, and i), mean radiant coordinates (α and δ), and geocentric velocity (Vg) of an example cluster, separated by the method of indices from the SonotaCo database (the first line of the table), and corresponding mean orbital elements of the showers in the IAU MDC list, to which the cluster is identified (from the second to last line).

No. λ [deg] q [AU] e [1] ω [deg] Ω [deg] i [deg] α [deg] δ [deg] Vg [km s-1 ] n D i

S1737 127.711 0.597 0.759 267.4 127.7 7.4 306.2 −8.8 22.18 483
1 128.900 0.602 1.000 266.7 128.9 7.7 306.6 −8.2 22.20 36 0.241
1 122.300 0.550 0.768 273.3 122.3 7.7 306.7 −9.3 23.40 269 0.050
1 123.800 0.594 1.000 267.6 123.8 7.2 303.4 −10.6 22.20 0.247
1 129.000 0.590 0.770 269.0 127.7 7.0 308.4 −9.6 22.80 21 0.027
1 127.900 0.586 0.770 268.4 127.9 7.4 307.1 −8.9 22.60 22 0.023
1 123.500 0.586 0.750 269.2 123.3 7.3 302.9 −9.9 22.20 145 0.038
1 126.100 0.586 0.770 268.4 127.9 7.4 305.7 −9.4 22.40 122 0.023
1 127.000 0.578 0.774 268.9 125.4 7.5 306.5 −9.2 23.00 646 0.027
467 139.400 0.618 0.781 263.6 139.4 2.6 317.1 −13.1 21.80 13 0.140
467 139.500 0.612 0.752 265.6 139.5 2.6 318.1 −12.2 21.35 23 0.158
471 137.800 0.752 0.676 248.9 137.8 3.4 306.3 −12.5 16.95 9 0.217
472 147.300 0.790 0.648 243.5 147.3 7.4 310.6 −1.8 15.90 7 0.233
472 143.800 0.742 0.735 248.3 143.8 8.8 310.3 −1.8 18.66 10 0.159
623 120.000 0.509 0.786 277.4 119.7 7.6 303.9 −10.8 24.50 86 0.098
692 138.000 0.685 0.729 256.9 138.7 7.4 310.5 −5.8 19.90 23 0.096

Notes. No. is the serial number of the cluster (first line) or the number of the shower in the IAU MDC list (the second to last lines). n is the number of meteors in the cluster and Di is the DSH value giving the similarity of orbits of both cluster and real shower. In the IAU MDC list, there are several orbits of given shower, determined by various authors. When identifying, we consider all these orbits.

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