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[00339]   [PSU] Name-designation: psi-Ursae Majorids   Shower status - Established        Activity  AdNo Sl_b Sl_e Sl_a RA DE dRA dDE V LoR SLoR LaR Theta Phi a q e Peri Node Incl N T A O R References     [deg]     [deg/day] [km/s] [deg]    [AU] [AU]   [deg]    2007/08 000 240.0 265.1 252.9 167.8 44.5 0.20 -0.01 60.7 149.11 256.21 35.67 142.09 198.37 000000033 T   SonotaCo, 2009 annual 001 250 258 253 169.8 42.4 0.98 -0.39 61.7 151.89 258.89 34.52 143.95 195.65 9.13 0.928 0.901 208.9 253.8 119.4 000000018 T M 1   Jenniskens et al., 2016 annual 003 240.96 269.91 253.53 169.8 42.7 0.91 -0.64 61.9 151.72 258.19 34.86 143.12 198.41 16.8 0.919 0.945 210.4 253.5 118.9 000000084 T   Shiba, 2023 annual 004 247.0 263.0 252.7 170.0 43.2 1.02 -0.61 61.7 151.2 258.5 35.3 143.22 195.24 14.5 0.923 0.936 209.5 252.6 118.3 000000457 T M   Jenniskens, 2023 Parent body: Notes: