2P/Encke Orbit by S. Nakano NK 4234 (2020) Observed in 2nd half of 2023
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Oct. 22.52865 0.3395669 0.8469429 3.30 187.28704 334.01710 11.33718 0.200 2024 Mar. 31.0 m1 = 10.0 + 5 log Delta + 10.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Daily motion Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , m , m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2023 Dec. 22 18 44.12 -27 42.0 18 47.26 -27 38.7 2.228 1.282 +3.20 + 5.8 12.8 43.1/ 84 11.9 9.1 108/0.75 108 .74 2024 Jan. 1 19 16.14 -26 46.1 19 19.23 -26 40.5 2.387 1.424 +2.79 + 7.2 13.4 38.3/ 81 9.1 6.3 111/0.49 132 .78 11 19 44.09 -25 36.4 19 47.13 -25 28.9 2.533 1.558 +2.46 + 7.9 13.9 34.5/ 78 6.0 3.8 125/0.27 11 .01 21 20 08.79 -24 19.0 20 11.77 -24 10.0 2.665 1.685 +2.20 + 8.2 14.4 31.3/ 76 4.1 2.4 171/0.17 125 .79 31 20 30.82 -22 57.9 20 33.76 -22 47.6 2.781 1.806 +1.98 + 8.3 14.8 28.8/ 74 6.5 3.5 219/0.24 118 .77 Feb. 10 20 50.67 -21 35.5 20 53.56 -21 24.1 2.878 1.920 +1.79 + 8.3 15.1 26.5/ 73 11.2 5.7 235/0.37 11 .00 20 21 08.65 -20 13.7 21 11.48 -20 01.4 2.956 2.029 +1.63 + 8.1 15.4 24.4/ 71 16.6 8.0 240/0.51 146 .82 Mar. 1 21 24.97 -18 53.7 21 27.77 -18 40.6 3.015 2.133 +1.48 + 7.8 15.7 22.5/ 70 22.5 10.2 243/0.63 98 .75 11 21 39.81 -17 36.7 21 42.57 -17 23.0 3.053 2.232 +1.34 + 7.4 15.9 20.6/ 70 28.6 12.3 244/0.75 37 .01 21 21 53.25 -16 23.6 21 55.98 -16 09.3 3.071 2.327 +1.21 + 6.9 16.1 18.7/ 69 35.1 14.3 245/0.86 168 .84 31 22 05.35 -15 15.4 22 08.06 -15 00.7 3.069 2.418 +1.07 + 6.3 16.3 16.8/ 68 41.9 16.0 246/0.97 74 .72 Apr. 10 22 16.12 -14 12.9 22 18.80 -13 57.8 3.049 2.506 +0.94 + 5.6 16.4 14.8/ 68 48.9 17.5 246/1.07 66 .02 20 22 25.51 -13 17.2 22 28.17 -13 01.8 3.011 2.590 +0.79 + 4.8 16.5 12.6/ 68 56.2 18.8 246/1.15 168 .86 30 22 33.45 -12 29.2 22 36.10 -12 13.7 2.957 2.670 +0.64 + 3.9 16.6 10.2/ 67 63.8 19.8 247/1.23 45 .66 May 10 22 39.85 -11 50.1 22 42.49 -11 34.4 2.891 2.748 +0.47 + 2.9 16.7 7.5/ 67 71.8 20.4 247/1.30 97 .05 20 22 44.54 -11 21.2 22 47.17 -11 05.3 2.813 2.822 +0.28 + 1.8 16.8 4.5/ 67 80.2 20.7 247/1.35 141 .88 30 22 47.36 -11 03.4 22 49.99 -10 47.5 2.728 2.893 +0.08 + 0.5 16.8 1.2/ 64 89.0 20.5 248/1.38 10 .58 June 9 22 48.11 -10 57.9 22 50.74 -10 42.0 2.639 2.962 -0.15 - 0.8 16.8 2.4/250 98.4 19.8 248/1.37 129 .07 19 22 46.60 -11 05.8 22 49.23 -10 49.9 2.551 3.028 -0.39 - 2.1 16.8 6.1/249 108.3 18.6 249/1.33 108 .90 29 22 42.68 -11 27.1 22 45.32 -11 11.3 2.470 3.091 -0.64 - 3.5 16.9 10.0/250 118.8 16.7 250/1.24 30 .49 July 9 22 36.30 -12 01.5 22 38.94 -11 45.9 2.401 3.152 -0.87 - 4.6 16.9 13.6/250 130.0 14.3 251/1.09 166 .09 19 22 27.55 -12 47.2 22 30.21 -12 31.8 2.350 3.211 -1.07 - 5.4 16.9 16.6/251 141.8 11.3 252/0.88 69 .92 29 22 16.80 -13 40.6 22 19.48 -13 25.5 2.324 3.267 -1.21 - 5.7 17.0 18.6/252 154.1 7.8 255/0.62 76 .40 Aug. 8 22 04.66 -14 37.4 22 07.36 -14 22.7 2.326 3.321 -1.27 - 5.5 17.0 19.2/253 166.6 4.1 261/0.32 154 .11 18 21 51.97 -15 32.3 21 54.69 -15 18.1 2.361 3.373 -1.23 - 4.9 17.1 18.4/254 177.5 0.7 333/0.06 25 .95 28 21 39.66 -16 20.8 21 42.41 -16 07.1 2.430 3.423 -1.11 - 3.9 17.3 16.4/256 167.5 3.7 61/0.28 122 .33 Sept. 7 21 28.59 -16 59.7 21 31.36 -16 46.4 2.530 3.470 -0.92 - 2.8 17.4 13.4/258 155.2 7.0 67/0.51 113 .13 17 21 19.41 -17 27.5 21 22.20 -17 14.7 2.659 3.516 -0.69 - 1.7 17.6 10.0/260 143.2 9.8 70/0.69 21 .98 27 21 12.50 -17 44.2 21 15.29 -17 31.7 2.812 3.560 -0.45 - 0.7 17.8 6.5/264 131.8 12.1 71/0.80 164 .28 Oct. 7 21 07.96 -17 50.6 21 10.76 -17 38.3 2.984 3.601 -0.22 + 0.3 17.9 3.2/275 120.9 13.8 72/0.86 75 .15 17 21 05.73 -17 47.9 21 08.53 -17 35.7 3.170 3.641 -0.01 + 1.1 18.1 1.1/351 110.6 14.8 73/0.87 63 1.00 27 21 05.61 -17 37.2 21 08.41 -17 25.1 3.364 3.679 +0.17 + 1.8 18.3 3.1/ 55 100.6 15.4 73/0.86 161 .25 Nov. 6 21 07.36 -17 19.6 21 10.16 -17 07.4 3.561 3.715 +0.34 + 2.4 18.5 5.4/ 64 91.1 15.5 73/0.82 41 .18 16 21 10.73 -16 55.9 21 13.51 -16 43.5 3.758 3.750 +0.47 + 2.9 18.6 7.4/ 67 81.9 15.1 73/0.76 100 1.00 26 21 15.44 -16 26.8 21 18.21 -16 14.1 3.950 3.782 +0.58 + 3.4 18.8 9.1/ 68 73.1 14.5 73/0.69 131 .24 Dec. 6 21 21.27 -15 52.7 21 24.03 -15 39.8 4.133 3.813 +0.67 + 3.9 18.9 10.5/ 69 64.4 13.5 72/0.62 9 .23 16 21 28.00 -15 14.3 21 30.75 -15 01.1 4.305 3.843 +0.74 + 4.3 19.0 11.6/ 69 56.0 12.3 72/0.54 132 .99 26 21 35.45 -14 32.0 21 38.18 -14 18.5 4.462 3.870 +0.80 + 4.6 19.1 12.5/ 69 47.8 10.8 71/0.46 105 .23 2025 Jan. 5 21 43.46 -13 46.2 21 46.17 -13 32.4 4.602 3.896 +0.84 + 4.9 19.2 13.2/ 68 39.7 9.3 71/0.39 24 .28 15 21 51.87 -12 57.4 21 54.57 -12 43.2 4.723 3.920 +0.87 + 5.2 19.3 13.7/ 68 31.7 7.6 70/0.31 161 .99 25 22 00.56 -12 06.1 22 03.24 -11 51.5 4.824 3.943 +0.88 + 5.4 19.4 14.1/ 68 23.8 5.8 70/0.23 79 .22 Feb. 4 22 09.43 -11 12.6 22 12.09 -10 57.7 4.902 3.964 +0.89 + 5.5 19.4 14.3/ 67 16.0 3.9 69/0.16 57 .35 14 22 18.36 -10 17.5 22 21.00 -10 02.4 4.958 3.983 +0.89 + 5.6 19.5 14.3/ 67 8.2 2.0 67/0.08 172 .98 24 22 27.26 -09 21.4 22 29.89 -09 06.0 4.991 4.001 +0.88 + 5.7 19.5 14.2/ 67 0.6 0.1 48/0.01 53 .19 Mar. 6 22 36.05 -08 24.8 22 38.67 -08 09.2 5.000 4.018 +0.86 + 5.7 19.5 14.0/ 66 7.2 1.8 251/0.07 88 .42 16 22 44.64 -07 28.2 22 47.25 -07 12.4 4.986 4.032 +0.83 + 5.6 19.5 13.6/ 66 14.8 3.6 250/0.14 146 .97 26 22 52.96 -06 32.2 22 55.56 -06 16.2 4.949 4.046 +0.79 + 5.5 19.5 13.1/ 65 22.5 5.4 249/0.21 25 .16