31P/Schwassmann-Wachmann 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 3.67995 3.4221972 0.1921895 8.72 17.96190 114.10827 4.54788 0.200 2022 Aug. 9.0 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 Jan. 1 17 12.48 -20 35.8 17 15.45 -20 39.1 5.463 4.558 +1.05 - 1.1 20.1 14.8/ 95 20.8 4.4 281/0.15 6 .05 11 17 22.96 -20 47.8 17 25.94 -20 50.3 5.412 4.571 +1.01 - 0.8 20.1 14.2/ 94 28.5 5.9 278/0.21 132 .62 21 17 33.05 -20 56.4 17 36.04 -20 58.2 5.341 4.585 +0.96 - 0.5 20.1 13.4/ 92 36.3 7.3 276/0.26 109 .91 31 17 42.64 -21 01.9 17 45.63 -21 03.1 5.253 4.598 +0.90 - 0.2 20.1 12.5/ 91 44.2 8.6 274/0.31 28 .02 Feb. 10 17 51.59 -21 04.7 17 54.58 -21 05.2 5.149 4.611 +0.82 0.0 20.0 11.5/ 90 52.2 9.7 272/0.36 157 .63 20 17 59.78 -21 05.3 18 02.77 -21 05.2 5.032 4.624 +0.73 + 0.2 20.0 10.2/ 89 60.4 10.7 271/0.41 80 .88 Mar. 2 18 07.08 -21 04.0 18 10.07 -21 03.4 4.903 4.637 +0.63 + 0.3 19.9 8.8/ 88 68.7 11.5 270/0.45 60 .01 12 18 13.35 -21 01.6 18 16.34 -21 00.5 4.766 4.650 +0.51 + 0.3 19.9 7.2/ 88 77.3 12.0 269/0.48 173 .64 22 18 18.47 -20 58.6 18 21.45 -20 57.1 4.624 4.662 +0.38 + 0.3 19.8 5.4/ 87 86.0 12.3 268/0.51 47 .84 Apr. 1 18 22.30 -20 55.6 18 25.28 -20 53.8 4.480 4.675 +0.24 + 0.3 19.8 3.4/ 86 95.0 12.3 267/0.52 92 .00 11 18 24.73 -20 53.1 18 27.71 -20 51.2 4.338 4.687 +0.09 + 0.2 19.7 1.3/ 83 104.3 12.0 267/0.52 146 .66 21 18 25.67 -20 51.6 18 28.66 -20 49.6 4.202 4.699 -0.06 0.0 19.7 0.8/271 113.9 11.3 266/0.51 11 .77 May 1 18 25.09 -20 51.4 18 28.07 -20 49.5 4.076 4.711 -0.21 - 0.1 19.6 2.9/267 123.7 10.2 266/0.48 125 .00 11 18 22.99 -20 52.7 18 25.97 -20 50.9 3.966 4.722 -0.35 - 0.3 19.5 4.9/266 133.9 8.9 265/0.42 113 .69 21 18 19.48 -20 55.3 18 22.47 -20 53.8 3.875 4.734 -0.47 - 0.4 19.5 6.6/266 144.3 7.2 264/0.35 32 .70 31 18 14.75 -20 59.1 18 17.74 -20 57.9 3.807 4.745 -0.57 - 0.5 19.5 7.9/266 155.0 5.2 263/0.26 160 .00 June 10 18 09.10 -21 03.6 18 12.09 -21 02.8 3.766 4.756 -0.62 - 0.5 19.5 8.7/266 165.8 3.0 259/0.15 75 .74 20 18 02.91 -21 08.5 18 05.90 -21 08.2 3.753 4.767 -0.63 - 0.6 19.5 8.8/266 176.2 0.8 232/0.04 73 .62 30 17 56.62 -21 13.7 17 59.62 -21 13.8 3.770 4.778 -0.59 - 0.6 19.5 8.3/266 171.7 1.8 105/0.09 161 .01 July 10 17 50.69 -21 18.9 17 53.69 -21 19.5 3.816 4.788 -0.52 - 0.6 19.5 7.3/265 161.0 4.0 97/0.20 34 .80 20 17 45.51 -21 24.3 17 48.51 -21 25.2 3.890 4.799 -0.41 - 0.6 19.6 5.8/264 150.3 6.0 95/0.29 113 .56 30 17 41.41 -21 30.0 17 44.41 -21 31.2 3.989 4.809 -0.28 - 0.6 19.6 3.9/260 139.8 7.8 94/0.37 126 .02 Aug. 9 17 38.63 -21 36.2 17 41.63 -21 37.7 4.109 4.819 -0.13 - 0.7 19.7 2.0/250 129.6 9.3 93/0.43 9 .86 19 17 37.28 -21 43.1 17 40.28 -21 44.6 4.247 4.829 +0.01 - 0.7 19.8 0.8/167 119.7 10.5 93/0.47 148 .52 29 17 37.40 -21 50.5 17 40.41 -21 52.0 4.397 4.838 +0.16 - 0.8 19.9 2.3/110 110.1 11.3 92/0.49 91 .03 Sept. 8 17 38.98 -21 58.4 17 41.99 -21 59.9 4.557 4.848 +0.30 - 0.8 19.9 4.2/101 100.8 11.8 92/0.49 47 .92 18 17 41.93 -22 06.5 17 44.95 -22 07.7 4.721 4.857 +0.42 - 0.8 20.0 5.9/ 98 91.8 11.9 92/0.48 175 .49 28 17 46.16 -22 14.4 17 49.17 -22 15.3 4.886 4.866 +0.54 - 0.7 20.1 7.5/ 96 82.9 11.8 91/0.46 57 .05 Oct. 8 17 51.54 -22 21.7 17 54.56 -22 22.2 5.048 4.875 +0.64 - 0.6 20.2 8.9/ 94 74.4 11.4 90/0.43 82 .96 18 17 57.94 -22 27.9 18 00.96 -22 28.0 5.204 4.883 +0.73 - 0.4 20.2 10.1/ 93 65.9 10.7 89/0.40 152 .47 28 18 05.24 -22 32.7 18 08.26 -22 32.2 5.350 4.891 +0.81 - 0.2 20.3 11.2/ 92 57.7 9.9 89/0.35 25 .08 Nov. 7 18 13.30 -22 35.6 18 16.33 -22 34.5 5.484 4.900 +0.87 0.0 20.4 12.1/ 90 49.5 8.9 88/0.31 113 .98 17 18 22.01 -22 36.2 18 25.03 -22 34.5 5.604 4.908 +0.92 + 0.2 20.4 12.8/ 89 41.5 7.7 87/0.26 126 .46 27 18 31.23 -22 34.4 18 34.25 -22 32.0 5.708 4.915 +0.96 + 0.5 20.5 13.3/ 88 33.5 6.4 86/0.22 10 .13 Dec. 7 18 40.86 -22 29.9 18 43.88 -22 26.8 5.793 4.923 +0.99 + 0.8 20.5 13.8/ 87 25.6 5.0 84/0.17 141 .99 17 18 50.77 -22 22.6 18 53.78 -22 18.8 5.858 4.930 +1.01 + 1.1 20.5 14.0/ 86 17.7 3.5 83/0.12 101 .44 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 81/0.06 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 71/0.01 167 .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 5.6 260/0.19 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 10.8 256/0.39 112 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