2P/Encke Orbit by S. Nakano NK 4234 (2020) Observed in 2nd half of 2021
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Oct. 21.90637 0.3371951 0.8480867 3.31 187.08031 334.24885 11.44980 0.200 2022 Aug. 9.0 m2 = 14.5 + 5 log Delta + 5.0 log r + 0.03 phase 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 , m2 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Jan. 1 21 58.45 -11 33.1 22 01.12 -11 18.7 4.673 4.084 +0.72 + 4.4 21.2 11.5/ 68 48.2 10.3 67/0.39 73 .05 11 22 05.70 -10 49.8 22 08.36 -10 35.1 4.796 4.091 +0.77 + 4.7 21.2 12.3/ 68 39.9 8.9 66/0.32 64 .62 21 22 13.44 -10 02.8 22 16.09 -09 47.8 4.900 4.096 +0.81 + 5.0 21.2 13.0/ 67 31.8 7.3 65/0.26 174 .91 31 22 21.53 -09 12.8 22 24.17 -08 57.6 4.983 4.100 +0.83 + 5.3 21.2 13.4/ 67 23.8 5.6 63/0.19 41 .02 Feb. 10 22 29.87 -08 20.2 22 32.50 -08 04.7 5.043 4.103 +0.85 + 5.5 21.2 13.7/ 67 15.9 3.8 59/0.12 90 .63 20 22 38.35 -07 25.7 22 40.96 -07 10.0 5.080 4.104 +0.85 + 5.6 21.2 13.9/ 66 8.1 1.9 49/0.06 148 .88 Mar. 2 22 46.87 -06 29.7 22 49.47 -06 13.8 5.095 4.104 +0.85 + 5.7 21.1 13.9/ 66 1.2 0.3 298/0.02 12 .01 12 22 55.35 -05 32.7 22 57.95 -05 16.7 5.085 4.102 +0.83 + 5.7 21.2 13.7/ 65 7.5 1.8 260/0.09 114 .64 22 23 03.71 -04 35.5 23 06.29 -04 19.3 5.052 4.099 +0.81 + 5.7 21.2 13.5/ 65 15.1 3.6 254/0.15 117 .84 Apr. 1 23 11.85 -03 38.5 23 14.43 -03 22.2 4.997 4.094 +0.78 + 5.6 21.2 13.0/ 64 22.8 5.4 252/0.22 20 .00 11 23 19.70 -02 42.4 23 22.28 -02 25.9 4.920 4.088 +0.75 + 5.5 21.2 12.5/ 64 30.4 7.1 250/0.29 139 .66 21 23 27.17 -01 47.7 23 29.74 -01 31.1 4.823 4.080 +0.70 + 5.3 21.2 11.7/ 63 38.2 8.7 249/0.36 85 .77 May 1 23 34.16 -00 55.1 23 36.73 -00 38.5 4.707 4.071 +0.64 + 5.0 21.2 10.8/ 63 45.9 10.2 249/0.42 48 .00 11 23 40.57 -00 05.3 23 43.14 +00 11.4 4.574 4.061 +0.57 + 4.6 21.2 9.7/ 62 53.8 11.6 248/0.49 165 .69 21 23 46.28 +00 41.0 23 48.85 +00 57.7 4.427 4.048 +0.49 + 4.2 21.1 8.4/ 60 61.8 12.7 248/0.55 52 .70 31 23 51.17 +01 22.9 23 53.73 +01 39.6 4.267 4.035 +0.39 + 3.7 21.1 6.9/ 58 70.0 13.7 247/0.61 76 .00 June 10 23 55.07 +01 59.6 23 57.63 +02 16.3 4.097 4.020 +0.28 + 3.0 21.0 5.1/ 54 78.5 14.3 247/0.66 162 .74 20 23 57.83 +02 30.0 00 00.40 +02 46.7 3.922 4.003 +0.14 + 2.3 20.9 3.2/ 43 87.2 14.7 247/0.71 18 .62 30 23 59.28 +02 53.0 00 01.85 +03 09.7 3.744 3.985 -0.01 + 1.4 20.8 1.4/357 96.2 14.7 246/0.74 106 .01 July 10 23 59.23 +03 07.5 00 01.79 +03 24.2 3.568 3.965 -0.17 + 0.5 20.7 2.6/280 105.7 14.3 246/0.75 127 .80 20 23 57.51 +03 12.1 00 00.07 +03 28.9 3.397 3.943 -0.35 - 0.6 20.5 5.3/263 115.5 13.4 245/0.74 19 .56 30 23 53.98 +03 05.9 23 56.54 +03 22.6 3.238 3.920 -0.54 - 1.8 20.4 8.3/257 125.9 12.1 244/0.70 139 .02 Aug. 9 23 48.59 +02 47.9 23 51.15 +03 04.5 3.095 3.896 -0.72 - 3.0 20.2 11.2/254 136.8 10.3 243/0.62 86 .86 19 23 41.40 +02 17.8 23 43.96 +02 34.5 2.973 3.870 -0.88 - 4.1 20.0 13.8/253 148.1 7.9 240/0.50 56 .52 29 23 32.64 +01 36.5 23 35.20 +01 53.1 2.878 3.842 -0.99 - 5.1 19.9 15.7/251 159.9 5.2 235/0.34 172 .03 Sept. 8 23 22.74 +00 45.8 23 25.30 +01 02.3 2.813 3.812 -1.04 - 5.7 19.7 16.7/250 171.4 2.3 217/0.15 41 .92 18 23 12.29 -00 11.0 23 14.86 +00 05.4 2.781 3.781 -1.03 - 5.9 19.7 16.5/249 173.2 1.8 109/0.12 96 .49 28 23 01.99 -01 09.7 23 04.56 -00 53.5 2.783 3.748 -0.94 - 5.6 19.7 15.2/248 161.8 4.8 81/0.32 136 .05 Oct. 8 22 52.55 -02 06.0 22 55.13 -01 50.0 2.817 3.713 -0.80 - 5.0 19.8 13.0/247 149.6 7.8 75/0.51 11 .96 18 22 44.55 -02 55.8 22 47.12 -02 40.0 2.878 3.677 -0.62 - 4.1 19.9 10.1/246 137.7 10.5 73/0.68 134 .47 28 22 38.37 -03 36.4 22 40.96 -03 20.7 2.963 3.639 -0.41 - 3.0 20.0 6.8/244 126.1 12.7 71/0.80 93 .08 Nov. 7 22 34.26 -04 05.9 22 36.85 -03 50.3 3.065 3.599 -0.20 - 1.8 20.1 3.5/240 115.0 14.5 70/0.87 48 .98 17 22 32.24 -04 23.6 22 34.83 -04 08.1 3.179 3.557 0.00 - 0.6 20.2 0.6/182 104.4 15.6 69/0.91 166 .46 27 22 32.22 -04 29.7 22 34.81 -04 14.1 3.298 3.513 +0.18 + 0.5 20.3 2.8/ 79 94.3 16.3 68/0.91 53 .13 Dec. 7 22 34.06 -04 24.4 22 36.65 -04 08.8 3.417 3.467 +0.35 + 1.6 20.4 5.5/ 73 84.7 16.4 67/0.89 82 .99 17 22 37.55 -04 08.6 22 40.14 -03 52.9 3.531 3.419 +0.50 + 2.6 20.4 7.8/ 71 75.4 16.2 67/0.85 157 .44 27 22 42.51 -03 43.0 22 45.09 -03 27.2 3.636 3.369 +0.62 + 3.5 20.4 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 20.4 11.8/ 69 58.1 14.6 65/0.72 111 .99 16 22 56.04 -02 25.8 22 58.62 -02 09.7 3.808 3.263 +0.82 + 5.0 20.4 13.4/ 68 49.9 13.3 63/0.65 129 .41 26 23 04.30 -01 35.6 23 06.87 -01 19.4 3.869 3.206 +0.91 + 5.7 20.3 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 20.3 15.9/ 67 34.3 10.2 60/0.48 137 .99 15 23 23.11 +00 24.4 23 25.67 +00 40.9 3.934 3.086 +1.04 + 6.9 20.2 17.0/ 66 27.0 8.3 57/0.39 100 .36 25 23 33.48 +01 33.1 23 36.04 +01 49.7 3.935 3.022 +1.09 + 7.4 20.1 17.9/ 66 19.8 6.4 53/0.29 43 .27 Mar. 7 23 44.39 +02 46.8 23 46.95 +03 03.5 3.914 2.956 +1.14 + 7.8 19.9 18.8/ 65 13.0 4.3 44/0.20 160 1.00 17 23 55.78 +04 05.2 23 58.34 +04 21.9 3.872 2.887 +1.19 + 8.3 19.8 19.6/ 65 6.9 2.4 19/0.11 71 .29 27 00 07.64 +05 27.8 00 10.21 +05 44.5 3.809 2.815 +1.23 + 8.6 19.7 20.3/ 65 4.4 1.6 312/0.10 67 .30 Apr. 6 00 19.94 +06 54.3 00 22.51 +07 10.9 3.725 2.741 +1.28 + 9.0 19.6 21.0/ 64 8.8 3.2 277/0.19 172 1.00 16 00 32.68 +08 24.4 00 35.27 +08 41.0 3.622 2.663 +1.32 + 9.4 19.6 21.7/ 64 14.6 5.5 266/0.31 42 .22 26 00 45.89 +09 58.1 00 48.49 +10 14.5 3.500 2.582 +1.37 + 9.7 19.5 22.4/ 64 20.6 7.9 261/0.45 89 .32 May 6 00 59.61 +11 35.1 01 02.23 +11 51.2 3.361 2.498 +1.43 +10.0 19.4 23.2/ 64 26.4 10.4 258/0.61 150 1.00 16 01 13.90 +13 15.5 01 16.55 +13 31.3 3.205 2.410 +1.50 +10.4 19.3 24.1/ 64 32.2 12.9 257/0.78 16 .15