178P/Hug-Bell Orbit by T. Kobayashi NK 3411 (2017) Last obs. 2021 03 17 (Q11)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2027 June 21.57009 1.8814776 0.4820483 6.92 297.96390 102.78402 11.09256 0.200 2026 June 9.0 m1 = 13.5 + 5 log Delta + 10.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Variation Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , for T=+1 day m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 18 08.25 -21 34.9 18 11.26 -21 34.1 5.013 4.038 -0.35 + 0.9 23.1 16.8/ 92 6.8 1.7 284/0.06 138 .84 2026 Jan. 10 18 20.33 -21 39.6 18 23.33 -21 38.0 4.947 4.000 -0.36 + 0.8 23.0 16.9/ 91 14.1 3.4 274/0.13 84 .56 20 18 32.42 -21 40.7 18 35.42 -21 38.3 4.861 3.961 -0.38 + 0.7 22.9 16.7/ 89 21.4 5.2 270/0.21 35 .01 30 18 44.43 -21 38.5 18 47.42 -21 35.1 4.757 3.922 -0.40 + 0.6 22.8 16.5/ 88 28.7 6.9 268/0.28 168 .89 Feb. 9 18 56.25 -21 33.2 18 59.23 -21 29.0 4.635 3.882 -0.42 + 0.5 22.7 16.1/ 87 36.1 8.6 266/0.36 60 .55 19 19 07.77 -21 25.4 19 10.75 -21 20.4 4.497 3.841 -0.44 + 0.4 22.6 15.6/ 87 43.5 10.2 264/0.43 62 .03 Mar. 1 19 18.88 -21 15.6 19 21.85 -21 09.9 4.344 3.800 -0.46 + 0.3 22.5 14.9/ 86 51.0 11.7 263/0.51 160 .93 11 19 29.47 -21 04.7 19 32.43 -20 58.2 4.180 3.758 -0.49 + 0.2 22.4 14.0/ 86 58.6 13.0 261/0.59 36 .54 21 19 39.41 -20 53.5 19 42.36 -20 46.4 4.004 3.716 -0.52 + 0.1 22.2 12.9/ 86 66.2 14.2 260/0.67 92 .05 31 19 48.57 -20 43.1 19 51.50 -20 35.4 3.821 3.673 -0.55 0.0 22.1 11.6/ 86 74.0 15.1 259/0.75 131 .95 Apr. 10 19 56.79 -20 34.7 19 59.71 -20 26.4 3.633 3.630 -0.59 - 0.2 21.9 10.0/ 87 81.9 15.9 259/0.82 11 .52 20 20 03.92 -20 29.4 20 06.84 -20 20.7 3.442 3.586 -0.63 - 0.3 21.7 8.2/ 90 90.0 16.3 258/0.88 125 .09 30 20 09.77 -20 28.8 20 12.68 -20 19.8 3.251 3.542 -0.67 - 0.4 21.6 6.2/ 95 98.4 16.3 257/0.94 101 .97 May 10 20 14.15 -20 34.2 20 17.06 -20 24.8 3.064 3.497 -0.72 - 0.5 21.4 4.0/108 107.1 16.0 257/0.97 18 .49 20 20 16.86 -20 46.9 20 19.76 -20 37.4 2.883 3.452 -0.77 - 0.6 21.2 2.4/151 116.2 15.2 257/0.98 161 .15 30 20 17.69 -21 08.0 20 20.60 -20 58.5 2.713 3.406 -0.83 - 0.6 21.0 3.4/209 125.7 14.0 258/0.95 69 .98 June 9 20 16.50 -21 38.1 20 19.43 -21 28.6 2.558 3.360 -0.89 - 0.6 20.8 6.0/229 135.7 12.2 259/0.88 53 .44 19 20 13.19 -22 17.0 20 16.13 -22 07.8 2.421 3.313 -0.94 - 0.5 20.6 8.7/237 146.1 9.9 261/0.75 160 .20 29 20 07.84 -23 03.4 20 10.80 -22 54.4 2.306 3.266 -0.99 - 0.4 20.5 11.1/242 156.9 7.0 264/0.56 34 .99 July 9 20 00.70 -23 54.7 20 03.68 -23 46.2 2.217 3.218 -1.02 - 0.1 20.3 12.7/245 167.9 3.8 274/0.31 94 .37 19 19 52.26 -24 47.4 19 55.28 -24 39.4 2.156 3.170 -1.04 + 0.2 20.2 13.2/247 176.2 1.2 348/0.10 119 .26 29 19 43.30 -25 37.6 19 46.34 -25 30.2 2.123 3.122 -1.04 + 0.6 20.1 12.4/248 167.6 4.0 60/0.34 5 1.00 Aug. 8 19 34.68 -26 21.9 19 37.74 -26 15.1 2.118 3.074 -1.02 + 0.9 20.0 10.6/249 156.3 7.6 70/0.66 139 .29 18 19 27.27 -26 58.2 19 30.36 -26 51.9 2.139 3.025 -0.98 + 1.2 20.0 7.8/249 145.1 11.0 74/0.94 79 .30 28 19 21.83 -27 25.5 19 24.93 -27 19.6 2.181 2.976 -0.94 + 1.5 19.9 4.4/244 134.3 14.1 77/1.17 44 1.00 Sept. 7 19 18.84 -27 44.1 19 21.95 -27 38.4 2.242 2.926 -0.90 + 1.6 19.9 1.1/200 123.9 16.6 78/1.35 177 .21 17 19 18.54 -27 54.7 19 21.66 -27 49.0 2.315 2.877 -0.86 + 1.6 19.9 3.3/ 96 114.2 18.6 79/1.46 45 .33 27 19 20.99 -27 58.0 19 24.11 -27 52.1 2.397 2.827 -0.83 + 1.5 19.9 6.7/ 87 105.0 20.0 80/1.52 79 1.00 Oct. 7 19 26.06 -27 54.5 19 29.17 -27 48.3 2.484 2.778 -0.80 + 1.4 19.9 10.0/ 84 96.3 21.0 81/1.53 141 .15 17 19 33.56 -27 44.2 19 36.66 -27 37.5 2.572 2.728 -0.79 + 1.2 19.9 13.0/ 83 88.1 21.4 81/1.52 16 .34 27 19 43.25 -27 27.0 19 46.33 -27 19.6 2.658 2.678 -0.78 + 0.9 19.9 15.7/ 81 80.4 21.5 81/1.47 111 .99 Nov. 6 19 54.88 -27 02.3 19 57.94 -26 54.2 2.740 2.629 -0.78 + 0.6 19.9 18.1/ 80 73.1 21.1 81/1.41 111 .11 16 20 08.21 -26 29.6 20 11.24 -26 20.7 2.817 2.580 -0.78 + 0.2 19.9 20.3/ 79 66.1 20.5 80/1.34 9 .36 26 20 23.00 -25 48.4 20 26.00 -25 38.6 2.885 2.531 -0.78 - 0.1 19.8 22.3/ 78 59.5 19.6 80/1.25 140 .97 Dec. 6 20 39.04 -24 58.2 20 42.00 -24 47.4 2.945 2.483 -0.79 - 0.6 19.8 24.1/ 76 53.2 18.5 80/1.16 86 .09 16 20 56.15 -23 58.4 20 59.07 -23 46.7 2.996 2.435 -0.81 - 1.0 19.7 25.7/ 75 47.1 17.2 80/1.06 30 .38 26 21 14.15 -22 48.9 21 17.02 -22 36.3 3.037 2.388 -0.82 - 1.5 19.7 27.2/ 74 41.3 15.8 80/0.97 166 .94 2027 Jan. 5 21 32.89 -21 29.5 21 35.71 -21 16.1 3.068 2.342 -0.84 - 2.0 19.6 28.6/ 73 35.8 14.2 80/0.86 66 .07 15 21 52.27 -20 00.4 21 55.04 -19 46.1 3.089 2.297 -0.85 - 2.5 19.6 29.8/ 71 30.6 12.6 81/0.76 51 .41 25 22 12.15 -18 21.8 22 14.88 -18 06.9 3.101 2.253 -0.87 - 3.0 19.5 31.0/ 70 25.6 10.9 83/0.66 167 .91 Feb. 4 22 32.49 -16 34.3 22 35.17 -16 18.8 3.104 2.211 -0.89 - 3.6 19.4 32.1/ 69 20.9 9.1 86/0.55 49 .06 14 22 53.21 -14 38.5 22 55.85 -14 22.5 3.098 2.170 -0.91 - 4.1 19.3 33.1/ 69 16.5 7.4 92/0.45 72 .46 24 23 14.26 -12 35.3 23 16.87 -12 19.0 3.085 2.131 -0.93 - 4.6 19.2 34.0/ 68 12.6 5.8 100/0.36 148 .88 Mar. 6 23 35.65 -10 25.7 23 38.23 -10 09.1 3.066 2.094 -0.95 - 5.1 19.1 34.8/ 68 9.4 4.5 115/0.27 34 .05