31P/Schwassmann-Wachmann 2 Orbit by S. Nakano NK 3791 (2019) Last obs. 2021 05 30 (F51)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2019 July 3.25788 3.4189505 0.1925743 8.71 17.83856 114.10751 4.54896 0.200 2023 Sep. 13.0 m1 = 11.5 + 5 log Delta + 7.5 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 19 00.87 -22 12.6 19 03.87 -22 08.1 5.903 4.937 +1.02 + 1.3 20.6 14.2/ 85 9.9 2.0 81/0.07 41 .18 2023 Jan. 6 19 11.04 -21 59.8 19 14.02 -21 54.6 5.927 4.944 +1.01 + 1.6 20.6 14.2/ 84 2.1 0.4 73/0.02 167 .99 16 19 21.17 -21 44.6 19 24.14 -21 38.7 5.929 4.951 +1.00 + 1.8 20.6 14.1/ 83 5.8 1.1 266/0.04 73 .41 26 19 31.17 -21 27.1 19 34.13 -21 20.6 5.909 4.957 +0.97 + 2.0 20.6 13.8/ 82 13.6 2.7 262/0.09 71 .23 Feb. 5 19 40.93 -21 07.9 19 43.88 -21 00.7 5.868 4.964 +0.94 + 2.1 20.6 13.4/ 81 21.5 4.2 261/0.14 166 .99 15 19 50.36 -20 47.3 19 53.30 -20 39.5 5.807 4.970 +0.90 + 2.2 20.5 12.8/ 81 29.3 5.6 260/0.18 44 .36 25 19 59.37 -20 25.9 20 02.28 -20 17.5 5.726 4.975 +0.85 + 2.2 20.5 12.1/ 80 37.3 6.9 259/0.23 100 .27 Mar. 7 20 07.84 -20 04.2 20 10.74 -19 55.3 5.628 4.981 +0.78 + 2.2 20.5 11.3/ 79 45.3 8.1 258/0.28 140 1.00 17 20 15.68 -19 43.1 20 18.57 -19 33.7 5.515 4.986 +0.71 + 2.0 20.4 10.3/ 79 53.4 9.2 257/0.32 13 .29 27 20 22.80 -19 23.2 20 25.67 -19 13.3 5.388 4.992 +0.63 + 1.8 20.4 9.1/ 79 61.6 10.1 256/0.36 128 .30 Apr. 6 20 29.08 -19 05.2 20 31.94 -18 55.0 5.249 4.997 +0.53 + 1.6 20.3 7.7/ 79 70.0 10.8 256/0.40 112 1.00 16 20 34.42 -18 50.0 20 37.28 -18 39.5 5.103 5.001 +0.43 + 1.2 20.3 6.2/ 79 78.5 11.3 255/0.42 24 .22 26 20 38.72 -18 38.4 20 41.57 -18 27.6 4.952 5.006 +0.31 + 0.8 20.2 4.5/ 80 87.3 11.6 255/0.45 156 .32 May 6 20 41.88 -18 30.9 20 44.72 -18 20.0 4.799 5.010 +0.19 + 0.3 20.2 2.8/ 84 96.2 11.5 255/0.46 80 1.00 16 20 43.80 -18 28.3 20 46.64 -18 17.3 4.650 5.014 +0.06 - 0.3 20.1 0.9/107 105.4 11.2 255/0.46 60 .15 26 20 44.42 -18 30.9 20 47.26 -18 19.9 4.506 5.018 -0.07 - 0.8 20.0 1.3/232 114.9 10.5 255/0.45 172 .35 June 5 20 43.69 -18 39.0 20 46.53 -18 28.0 4.374 5.022 -0.20 - 1.3 20.0 3.2/245 124.7 9.6 255/0.42 44 .99 15 20 41.63 -18 52.2 20 44.48 -18 41.3 4.257 5.025 -0.33 - 1.8 19.9 5.0/249 134.8 8.2 255/0.37 97 .10 25 20 38.32 -19 10.2 20 41.18 -18 59.4 4.160 5.028 -0.44 - 2.2 19.9 6.6/250 145.2 6.6 256/0.30 139 .37 July 5 20 33.93 -19 31.8 20 36.79 -19 21.3 4.087 5.031 -0.52 - 2.4 19.8 7.8/252 155.8 4.7 257/0.22 5 .96 15 20 28.69 -19 55.7 20 31.58 -19 45.5 4.040 5.034 -0.57 - 2.5 19.8 8.5/253 166.6 2.7 259/0.13 135 .07 25 20 22.95 -20 20.3 20 25.85 -20 10.5 4.022 5.037 -0.58 - 2.4 19.8 8.6/253 177.4 0.5 278/0.02 103 .41 Aug. 4 20 17.11 -20 44.2 20 20.01 -20 34.7 4.034 5.039 -0.56 - 2.2 19.8 8.1/254 171.4 1.7 70/0.08 40 .92 14 20 11.54 -21 05.8 20 14.46 -20 56.6 4.075 5.041 -0.49 - 1.9 19.8 7.1/255 160.5 3.9 74/0.18 172 .05 24 20 06.65 -21 24.1 20 09.58 -21 15.3 4.144 5.043 -0.39 - 1.5 19.9 5.6/255 149.7 5.8 76/0.27 65 .46 Sept. 3 20 02.75 -21 38.5 20 05.69 -21 29.9 4.239 5.045 -0.27 - 1.0 19.9 3.9/255 139.1 7.5 77/0.34 82 .88 13 20 00.07 -21 48.6 20 03.01 -21 40.1 4.355 5.046 -0.13 - 0.6 20.0 1.9/253 128.7 9.0 77/0.39 151 .04 23 19 58.74 -21 54.3 20 01.69 -21 45.9 4.488 5.047 +0.01 - 0.1 20.0 0.2/139 118.7 10.0 78/0.43 27 .52 Oct. 3 19 58.83 -21 55.6 20 01.77 -21 47.3 4.635 5.048 +0.15 + 0.3 20.1 2.1/ 82 108.9 10.8 78/0.44 119 .84 13 20 00.30 -21 52.8 20 03.24 -21 44.4 4.790 5.049 +0.28 + 0.7 20.2 4.0/ 80 99.3 11.2 78/0.45 119 .03 23 20 03.09 -21 46.0 20 06.04 -21 37.4 4.949 5.049 +0.40 + 1.1 20.2 5.7/ 79 90.1 11.4 78/0.44 12 .60 Nov. 2 20 07.11 -21 35.3 20 10.04 -21 26.4 5.108 5.050 +0.51 + 1.5 20.3 7.3/ 78 81.1 11.2 78/0.42 151 .81 12 20 12.21 -21 20.8 20 15.14 -21 11.6 5.263 5.050 +0.61 + 1.9 20.4 8.7/ 78 72.2 10.8 78/0.39 89 .02 22 20 18.28 -21 02.7 20 21.20 -20 53.1 5.411 5.050 +0.69 + 2.2 20.4 9.9/ 77 63.6 10.1 77/0.36 47 .67 Dec. 2 20 25.17 -20 41.0 20 28.07 -20 31.0 5.547 5.049 +0.76 + 2.6 20.5 10.9/ 77 55.2 9.2 77/0.32 176 .79 12 20 32.75 -20 15.9 20 35.64 -20 05.5 5.671 5.049 +0.81 + 2.9 20.5 11.8/ 76 46.8 8.2 77/0.28 59 .01 22 20 40.90 -19 47.6 20 43.76 -19 36.7 5.779 5.048 +0.86 + 3.2 20.6 12.5/ 76 38.6 7.0 77/0.23 80 .74 2024 Jan. 1 20 49.47 -19 16.3 20 52.32 -19 04.9 5.869 5.047 +0.89 + 3.4 20.6 13.1/ 75 30.5 5.7 77/0.19 155 .78 11 20 58.37 -18 42.3 21 01.20 -18 30.5 5.940 5.046 +0.91 + 3.7 20.6 13.5/ 74 22.5 4.3 77/0.14 29 .01 21 21 07.49 -18 05.9 21 10.30 -17 53.6 5.990 5.044 +0.92 + 3.9 20.7 13.7/ 74 14.6 2.8 79/0.09 111 .79 31 21 16.73 -17 27.6 21 19.51 -17 14.8 6.019 5.042 +0.92 + 4.0 20.7 13.9/ 73 6.9 1.3 85/0.04 129 .77 Feb. 10 21 25.98 -16 47.7 21 28.75 -16 34.5 6.026 5.040 +0.92 + 4.1 20.7 13.8/ 73 2.0 0.4 195/0.01 3 .00 20 21 35.17 -16 06.8 21 37.92 -15 53.2 6.012 5.038 +0.90 + 4.2 20.7 13.7/ 73 9.1 1.8 241/0.06 139 .82 Mar. 1 21 44.21 -15 25.4 21 46.94 -15 11.5 5.976 5.036 +0.88 + 4.2 20.6 13.4/ 72 16.8 3.3 245/0.10 104 .75 11 21 53.02 -14 44.2 21 55.73 -14 29.9 5.920 5.033 +0.85 + 4.1 20.6 13.0/ 72 24.6 4.7 246/0.15 33 .01 21 22 01.51 -14 03.7 22 04.20 -13 49.1 5.844 5.030 +0.81 + 3.9 20.6 12.4/ 72 32.3 6.1 247/0.20 165 .84 31 22 09.60 -13 24.7 22 12.29 -13 09.8 5.749 5.027 +0.76 + 3.7 20.6 11.7/ 72 40.2 7.4 247/0.25 76 .72