2P/Encke Orbit by S. Nakano NK 4234 (2020) Observed in 2nd half of 2022
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Oct. 22.52856 0.3396008 0.8469377 3.30 187.28613 334.02006 11.33664 0.200 2023 Sep. 13.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 22 42.51 -03 43.0 22 45.09 -03 27.2 3.636 3.369 +0.62 + 3.5 18.1 9.9/ 70 66.6 15.5 66/0.79 19 .18 2023 Jan. 6 22 48.73 -03 08.5 22 51.31 -02 52.5 3.730 3.317 +0.73 + 4.3 18.1 11.8/ 69 58.1 14.6 65/0.73 111 .99 16 22 56.04 -02 25.8 22 58.62 -02 09.7 3.808 3.263 +0.82 + 5.0 18.0 13.4/ 68 49.9 13.3 64/0.65 129 .41 26 23 04.30 -01 35.6 23 06.87 -01 19.4 3.869 3.206 +0.91 + 5.7 18.0 14.7/ 67 42.0 11.9 62/0.57 17 .23 Feb. 5 23 13.36 -00 38.7 23 15.92 -00 22.3 3.912 3.147 +0.98 + 6.3 17.9 15.9/ 67 34.3 10.2 61/0.49 137 .99 15 23 23.11 +00 24.4 23 25.67 +00 40.9 3.934 3.086 +1.04 + 6.9 17.9 17.0/ 66 27.0 8.3 59/0.40 100 .36 25 23 33.48 +01 33.1 23 36.04 +01 49.7 3.935 3.022 +1.09 + 7.4 17.8 17.9/ 66 19.8 6.4 55/0.31 43 .27 Mar. 7 23 44.39 +02 46.8 23 46.95 +03 03.5 3.914 2.956 +1.14 + 7.8 17.7 18.8/ 65 13.0 4.3 48/0.21 160 1.00 17 23 55.78 +04 05.2 23 58.34 +04 21.9 3.872 2.887 +1.19 + 8.3 17.5 19.6/ 65 6.9 2.4 29/0.12 71 .29 27 00 07.64 +05 27.8 00 10.21 +05 44.5 3.809 2.815 +1.23 + 8.6 17.4 20.3/ 65 4.4 1.6 321/0.08 67 .30 Apr. 6 00 19.94 +06 54.3 00 22.51 +07 10.9 3.725 2.741 +1.28 + 9.0 17.2 21.0/ 64 8.8 3.2 276/0.16 172 1.00 16 00 32.68 +08 24.4 00 35.27 +08 41.0 3.622 2.663 +1.32 + 9.4 17.0 21.7/ 64 14.6 5.5 264/0.29 42 .22 26 00 45.89 +09 58.1 00 48.49 +10 14.5 3.500 2.582 +1.37 + 9.7 16.8 22.4/ 64 20.6 7.9 260/0.43 89 .32 May 6 00 59.61 +11 35.1 01 02.23 +11 51.2 3.361 2.498 +1.43 +10.0 16.6 23.2/ 64 26.4 10.4 257/0.58 150 1.00 16 01 13.90 +13 15.5 01 16.55 +13 31.3 3.205 2.410 +1.50 +10.4 16.4 24.1/ 64 32.2 12.9 256/0.75 16 .15 26 01 28.87 +14 59.5 01 31.55 +15 14.9 3.036 2.319 +1.58 +10.7 16.1 25.2/ 64 37.7 15.5 255/0.95 109 .35 June 5 01 44.65 +16 47.1 01 47.37 +17 02.1 2.854 2.223 +1.68 +11.1 15.7 26.5/ 65 43.1 18.2 255/1.17 126 .99 15 02 01.46 +18 38.9 02 04.22 +18 53.3 2.661 2.124 +1.82 +11.6 15.4 28.1/ 65 48.2 20.9 255/1.43 11 .10 25 02 19.57 +20 35.3 02 22.38 +20 48.9 2.460 2.019 +1.99 +12.1 15.0 30.2/ 66 53.0 23.7 256/1.74 127 .37 July 5 02 39.41 +22 36.8 02 42.27 +22 49.5 2.252 1.910 +2.23 +12.6 14.6 33.0/ 66 57.5 26.7 257/2.12 102 .96 15 03 01.60 +24 43.9 03 04.53 +24 55.6 2.041 1.795 +2.56 +13.1 14.1 36.9/ 68 61.5 29.9 258/2.57 30 .07 25 03 27.08 +26 56.6 03 30.09 +27 06.9 1.829 1.674 +3.03 +13.5 13.5 42.2/ 70 64.9 33.3 260/3.15 143 .41 Aug. 4 03 57.30 +29 13.0 04 00.40 +29 21.5 1.620 1.546 +3.73 +13.1 12.9 50.0/ 72 67.4 37.3 262/3.90 82 .92 14 04 34.51 +31 26.8 04 37.70 +31 32.7 1.419 1.411 +4.75 +10.9 12.3 61.1/ 77 68.6 41.9 266/4.87 42 .05 24 05 21.95 +33 19.6 05 25.24 +33 22.2 1.233 1.268 +6.16 + 4.3 11.5 76.9/ 83 68.0 47.7 271/6.17 152 .46 Sept. 3 06 23.54 +34 07.3 06 26.85 +34 05.5 1.072 1.116 +7.73 -10.7 10.6 97.5/ 91 64.8 54.9 278/7.84 75 .88 13 07 40.96 +32 25.5 07 44.15 +32 18.3 0.954 0.953 +8.68 -35.2 9.7 118.5/102 58.1 63.7 287/9.76 35 .04 23 09 07.98 +26 38.9 09 10.92 +26 26.6 0.901 0.779 +8.38 -59.2 8.7 130.9/113 47.9 72.9 296/11.3 140 .52 Oct. 3 10 32.07 +16 49.8 10 34.76 +16 34.3 0.936 0.597 +7.57 -71.4 7.6 132.3/121 35.7 78.1 302/11.3 97 .84 13 11 47.84 +04 56.5 11 50.41 +04 39.8 1.067 0.423 +7.53 -73.5 6.4 134.6/123 23.4 69.2 301/9.33 4 .03 23 13 03.14 -07 19.2 13 05.75 -07 35.3 1.259 0.340 +7.77 -60.1 5.8 128.5/120 11.0 33.8 290/4.47 112 .60 Nov. 2 14 20.71 -17 22.7 14 23.48 -17 36.3 1.425 0.438 +7.05 -36.7 7.2 105.5/113 3.2 7.3 193/0.89 128 .81 12 15 31.05 -23 33.3 15 34.01 -23 43.3 1.572 0.614 +6.08 -18.9 8.9 84.6/106 9.0 14.6 133/1.64 25 .02 22 16 31.75 -26 46.0 16 34.83 -26 52.2 1.728 0.796 +5.16 - 7.5 10.2 69.0/ 99 12.9 16.1 120/1.65 98 .67 Dec. 2 17 23.29 -28 04.6 17 26.44 -28 07.2 1.893 0.969 +4.37 - 0.6 11.2 57.7/ 93 14.2 14.5 113/1.37 139 .79 12 18 06.94 -28 13.9 18 10.10 -28 13.3 2.062 1.130 +3.72 + 3.5 12.1 49.4/ 88 13.7 11.9 109/1.05 25 .01 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 6.3 111/0.48 132 .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