29P/Schwassmann-Wachmann 1 Orbit by S. Nakano NK 2189 (2012) Observed in 1st half of 2023
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2019 Apr. 28.47320 5.7814765 0.0444693 14.9 51.58252 312.40300 9.36140 0.200 2023 Sep. 13.0 m1 = 4.0 + 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 06 36.62 +29 31.3 06 39.80 +29 28.5 5.079 6.056 -0.55 - 0.2 13.4 7.2/269 172.6 1.2 218/0.05 134 .18 2023 Jan. 6 06 31.13 +29 28.7 06 34.32 +29 26.3 5.088 6.059 -0.52 - 0.5 13.4 6.9/266 170.2 1.6 134/0.06 4 .99 16 06 25.91 +29 23.0 06 29.09 +29 21.0 5.127 6.062 -0.46 - 0.8 13.4 6.1/263 160.2 3.2 110/0.12 120 .41 26 06 21.29 +29 14.5 06 24.47 +29 12.8 5.197 6.065 -0.37 - 1.1 13.5 5.0/258 149.4 4.7 103/0.17 93 .23 Feb. 5 06 17.58 +29 03.6 06 20.76 +29 02.2 5.293 6.068 -0.26 - 1.2 13.5 3.6/250 138.7 6.2 99/0.22 32 .99 15 06 14.98 +28 51.0 06 18.16 +28 49.8 5.412 6.071 -0.14 - 1.3 13.5 2.2/233 128.1 7.4 96/0.26 158 .36 25 06 13.63 +28 37.5 06 16.79 +28 36.4 5.550 6.075 -0.01 - 1.4 13.6 1.4/184 117.8 8.3 94/0.29 56 .27 Mar. 7 06 13.56 +28 23.4 06 16.72 +28 22.3 5.701 6.078 +0.12 - 1.4 13.7 2.1/132 107.8 8.9 93/0.30 66 1.00 17 06 14.75 +28 09.2 06 17.90 +28 08.0 5.860 6.081 +0.24 - 1.4 13.7 3.5/114 98.1 9.3 92/0.31 163 .29 27 06 17.14 +27 55.1 06 20.29 +27 53.7 6.023 6.084 +0.35 - 1.4 13.8 4.8/107 88.8 9.4 92/0.30 22 .30 Apr. 6 06 20.63 +27 41.0 06 23.77 +27 39.4 6.186 6.087 +0.45 - 1.4 13.8 6.1/103 79.7 9.3 92/0.29 98 1.00 16 06 25.10 +27 26.8 06 28.23 +27 24.9 6.344 6.090 +0.53 - 1.5 13.9 7.3/101 70.9 9.0 91/0.27 126 .22 26 06 30.43 +27 12.4 06 33.56 +27 10.1 6.494 6.093 +0.61 - 1.5 13.9 8.3/100 62.3 8.4 91/0.25 7 .32 May 6 06 36.51 +26 57.6 06 39.63 +26 54.8 6.634 6.096 +0.67 - 1.6 14.0 9.1/100 54.0 7.7 91/0.22 129 1.00 16 06 43.21 +26 42.0 06 46.32 +26 38.8 6.759 6.099 +0.72 - 1.7 14.0 9.8/100 45.9 6.8 91/0.20 92 .15 26 06 50.43 +26 25.7 06 53.53 +26 21.9 6.869 6.102 +0.76 - 1.8 14.1 10.4/100 37.9 5.9 91/0.16 34 .35 June 5 06 58.04 +26 08.3 07 01.13 +26 04.0 6.962 6.105 +0.79 - 1.9 14.1 10.8/100 30.1 4.8 90/0.13 161 .99 15 07 05.96 +25 49.8 07 09.03 +25 44.9 7.035 6.108 +0.81 - 2.0 14.1 11.2/100 22.4 3.6 89/0.10 60 .10 25 07 14.08 +25 30.1 07 17.14 +25 24.7 7.088 6.111 +0.82 - 2.1 14.1 11.4/100 14.8 2.4 86/0.07 61 .37 July 5 07 22.31 +25 09.2 07 25.36 +25 03.3 7.121 6.114 +0.82 - 2.3 14.2 11.4/101 7.5 1.2 74/0.03 165 .96 15 07 30.58 +24 47.3 07 33.61 +24 40.8 7.132 6.117 +0.82 - 2.3 14.2 11.4/101 3.0 0.5 354/0.01 30 .07 25 07 38.79 +24 24.4 07 41.81 +24 17.3 7.122 6.120 +0.81 - 2.4 14.2 11.3/102 8.9 1.5 298/0.04 88 .41 Aug. 4 07 46.85 +24 00.7 07 49.86 +23 53.1 7.090 6.123 +0.78 - 2.5 14.2 11.0/103 16.3 2.7 290/0.07 132 .92 14 07 54.70 +23 36.5 07 57.69 +23 28.4 7.038 6.126 +0.75 - 2.5 14.1 10.7/103 24.0 3.9 287/0.11 3 .05 24 08 02.24 +23 12.2 08 05.21 +23 03.6 6.965 6.129 +0.71 - 2.5 14.1 10.2/104 31.8 5.0 286/0.14 117 .46 Sept. 3 08 09.38 +22 48.1 08 12.34 +22 39.0 6.874 6.132 +0.66 - 2.4 14.1 9.5/104 39.7 6.0 286/0.17 100 .88 13 08 16.05 +22 24.6 08 18.99 +22 15.2 6.765 6.135 +0.61 - 2.3 14.1 8.7/105 47.8 7.0 285/0.20 25 .04 23 08 22.13 +22 02.2 08 25.06 +21 52.4 6.641 6.138 +0.54 - 2.1 14.0 7.8/105 56.1 7.8 285/0.23 148 .52 Oct. 3 08 27.54 +21 41.6 08 30.46 +21 31.5 6.503 6.141 +0.46 - 1.9 14.0 6.7/106 64.6 8.5 285/0.25 68 .84 13 08 32.18 +21 23.1 08 35.08 +21 12.7 6.355 6.144 +0.38 - 1.6 13.9 5.5/107 73.3 9.0 285/0.27 54 .03 23 08 35.94 +21 07.3 08 38.84 +20 56.7 6.200 6.146 +0.28 - 1.3 13.9 4.1/108 82.3 9.2 285/0.29 176 .60 Nov. 2 08 38.73 +20 54.8 08 41.62 +20 44.1 6.041 6.149 +0.17 - 0.9 13.8 2.6/110 91.6 9.3 285/0.30 36 .81 12 08 40.47 +20 45.9 08 43.35 +20 35.0 5.883 6.152 +0.06 - 0.5 13.8 1.0/121 101.2 9.1 285/0.30 85 .02 22 08 41.07 +20 40.8 08 43.95 +20 30.0 5.730 6.155 -0.06 - 0.1 13.7 0.8/262 111.1 8.6 284/0.29 139 .67 Dec. 2 08 40.52 +20 39.7 08 43.40 +20 28.8 5.587 6.158 -0.17 + 0.3 13.7 2.4/276 121.3 7.9 284/0.27 5 .79 12 08 38.80 +20 42.2 08 41.69 +20 31.5 5.459 6.161 -0.28 + 0.6 13.6 4.0/279 131.9 6.8 283/0.24 120 .01 22 08 36.01 +20 48.0 08 38.89 +20 37.4 5.352 6.163 -0.37 + 0.8 13.6 5.3/279 142.7 5.5 282/0.20 99 .74 2024 Jan. 1 08 32.27 +20 56.1 08 35.16 +20 45.8 5.269 6.166 -0.45 + 1.0 13.5 6.3/279 153.8 4.0 280/0.15 30 .78 11 08 27.79 +21 05.7 08 30.70 +20 55.6 5.214 6.169 -0.49 + 1.0 13.5 7.0/279 164.9 2.4 277/0.09 158 .01 21 08 22.87 +21 15.5 08 25.78 +21 05.7 5.190 6.172 -0.50 + 0.9 13.5 7.1/278 176.0 0.6 258/0.02 59 .79 31 08 17.83 +21 24.5 08 20.75 +21 14.9 5.197 6.174 -0.48 + 0.7 13.5 6.8/277 172.1 1.3 116/0.05 65 .77 Feb. 10 08 12.99 +21 31.7 08 15.92 +21 22.4 5.236 6.177 -0.43 + 0.5 13.5 6.0/275 160.9 3.0 107/0.11 160 .00 20 08 08.69 +21 36.4 08 11.62 +21 27.4 5.305 6.180 -0.35 + 0.2 13.6 4.9/272 149.9 4.6 105/0.17 20 .82 Mar. 1 08 05.18 +21 38.1 08 08.12 +21 29.4 5.400 6.182 -0.25 - 0.1 13.6 3.5/268 139.0 6.0 104/0.21 101 .75 11 08 02.66 +21 36.8 08 05.60 +21 28.2 5.518 6.185 -0.14 - 0.4 13.6 2.0/258 128.4 7.2 103/0.25 120 .01 21 08 01.25 +21 32.3 08 04.19 +21 23.8 5.655 6.188 -0.03 - 0.7 13.7 0.8/206 118.2 8.2 102/0.28 16 .84 31 08 00.99 +21 24.8 08 03.93 +21 16.3 5.804 6.190 +0.09 - 1.0 13.8 1.6/130 108.2 8.8 102/0.29 136 .72