29P/Schwassmann-Wachmann Orbit by S. Nakano NK 5128 (2024) Observed in 1st half of 2026
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2019 Apr. 21.53884 5.7982933 0.0428903 14.9 51.52174 312.40041 9.35493 0.200 2026 June 9.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 11 31.82 -03 01.2 11 34.37 -03 17.8 6.000 6.306 0.00 - 1.5 13.9 1.5/182 103.7 8.7 295/0.28 124 .84 2026 Jan. 10 11 31.78 -03 16.4 11 34.33 -03 33.0 5.846 6.307 -0.10 - 0.9 13.8 1.8/241 113.7 8.2 296/0.27 17 .56 20 11 30.73 -03 25.1 11 33.29 -03 41.6 5.704 6.307 -0.20 - 0.2 13.8 3.0/266 124.0 7.4 297/0.25 137 .01 30 11 28.71 -03 26.9 11 31.27 -03 43.5 5.578 6.308 -0.29 + 0.5 13.7 4.3/276 134.5 6.4 300/0.22 85 .89 Feb. 9 11 25.83 -03 22.2 11 28.38 -03 38.7 5.474 6.309 -0.36 + 1.1 13.7 5.5/281 145.2 5.1 303/0.18 50 .55 19 11 22.22 -03 11.3 11 24.77 -03 27.8 5.395 6.310 -0.41 + 1.6 13.7 6.4/285 155.8 3.7 308/0.13 173 .03 Mar. 1 11 18.11 -02 55.1 11 20.66 -03 11.5 5.344 6.310 -0.43 + 2.0 13.6 6.8/287 166.1 2.2 322/0.08 44 .93 11 11 13.76 -02 35.0 11 16.32 -02 51.4 5.324 6.311 -0.43 + 2.3 13.6 6.9/289 173.0 1.1 15/0.04 84 .54 21 11 09.45 -02 12.5 11 12.00 -02 28.9 5.335 6.312 -0.40 + 2.3 13.6 6.4/291 167.7 1.9 79/0.07 144 .05 31 11 05.44 -01 49.4 11 07.99 -02 05.7 5.376 6.312 -0.35 + 2.2 13.7 5.6/293 157.8 3.4 95/0.12 7 .95 Apr. 10 11 01.98 -01 27.4 11 04.53 -01 43.6 5.446 6.313 -0.27 + 1.9 13.7 4.5/296 147.4 4.9 102/0.17 119 .52 20 10 59.26 -01 08.0 11 01.81 -01 24.2 5.540 6.313 -0.18 + 1.6 13.7 3.2/299 137.1 6.2 105/0.22 103 .09 30 10 57.42 -00 52.5 10 59.98 -01 08.6 5.657 6.314 -0.09 + 1.1 13.8 1.7/309 127.0 7.3 107/0.25 33 .97 May 10 10 56.53 -00 41.7 10 59.09 -00 57.8 5.790 6.314 +0.01 + 0.5 13.8 0.6/ 14 117.1 8.2 109/0.27 153 .49 20 10 56.62 -00 36.3 10 59.18 -00 52.4 5.936 6.315 +0.11 0.0 13.9 1.6/ 91 107.6 8.8 111/0.29 64 .15 30 10 57.67 -00 36.6 11 00.23 -00 52.7 6.089 6.315 +0.20 - 0.6 13.9 3.0/102 98.3 9.1 112/0.29 66 .98 June 9 10 59.64 -00 42.6 11 02.20 -00 58.8 6.247 6.316 +0.28 - 1.2 14.0 4.4/106 89.3 9.2 113/0.29 171 .44 19 11 02.45 -00 54.3 11 05.00 -01 10.5 6.404 6.316 +0.36 - 1.7 14.0 5.6/108 80.5 9.1 114/0.28 28 .20 29 11 06.02 -01 11.4 11 08.58 -01 27.6 6.557 6.316 +0.43 - 2.2 14.1 6.8/109 71.9 8.8 115/0.26 97 .99 July 9 11 10.28 -01 33.5 11 12.83 -01 49.8 6.703 6.317 +0.48 - 2.7 14.1 7.8/110 63.6 8.3 116/0.24 138 .37 19 11 15.13 -02 00.4 11 17.68 -02 16.8 6.838 6.317 +0.54 - 3.1 14.2 8.6/111 55.4 7.6 118/0.22 7 .26 29 11 20.49 -02 31.5 11 23.04 -02 48.0 6.960 6.317 +0.58 - 3.5 14.2 9.3/112 47.4 6.8 119/0.19 125 1.00 Aug. 8 11 26.27 -03 06.5 11 28.82 -03 23.1 7.067 6.317 +0.61 - 3.8 14.3 10.0/113 39.5 5.9 121/0.16 104 .29 18 11 32.40 -03 44.9 11 34.96 -04 01.5 7.157 6.318 +0.64 - 4.1 14.3 10.4/113 31.7 4.8 124/0.13 35 .30 28 11 38.81 -04 26.3 11 41.37 -04 42.9 7.227 6.318 +0.66 - 4.4 14.3 10.8/114 24.0 3.7 128/0.10 154 1.00 Sept. 7 11 45.42 -05 10.1 11 47.97 -05 26.7 7.277 6.318 +0.67 - 4.6 14.3 11.1/115 16.6 2.6 135/0.07 70 .21 17 11 52.15 -05 55.9 11 54.71 -06 12.6 7.306 6.318 +0.68 - 4.7 14.3 11.2/115 9.7 1.5 153/0.04 62 .33 27 11 58.94 -06 43.2 12 01.50 -06 59.9 7.313 6.318 +0.68 - 4.8 14.3 11.2/116 6.3 1.0 207/0.03 175 1.00 Oct. 7 12 05.71 -07 31.6 12 08.28 -07 48.3 7.298 6.318 +0.67 - 4.9 14.3 11.1/116 10.5 1.6 257/0.04 38 .15 17 12 12.40 -08 20.6 12 14.97 -08 37.2 7.261 6.318 +0.65 - 4.9 14.3 10.8/117 17.6 2.7 273/0.07 88 .34 27 12 18.91 -09 09.5 12 21.49 -09 26.2 7.202 6.318 +0.63 - 4.8 14.3 10.5/118 25.3 3.9 280/0.10 145 .99 Nov. 6 12 25.17 -09 58.0 12 27.75 -10 14.6 7.122 6.318 +0.59 - 4.7 14.3 9.9/119 33.4 5.0 283/0.14 7 .11 16 12 31.08 -10 45.5 12 33.68 -11 02.0 7.023 6.318 +0.55 - 4.6 14.2 9.3/120 41.6 6.0 286/0.17 114 .36 26 12 36.57 -11 31.3 12 39.17 -11 47.8 6.905 6.317 +0.50 - 4.4 14.2 8.5/121 50.1 6.9 287/0.19 111 .97 Dec. 6 12 41.52 -12 15.0 12 44.13 -12 31.4 6.773 6.317 +0.43 - 4.1 14.2 7.5/123 58.7 7.7 289/0.22 25 .09 16 12 45.84 -12 55.9 12 48.45 -13 12.2 6.627 6.317 +0.36 - 3.7 14.1 6.4/126 67.6 8.3 290/0.24 143 .38 26 12 49.42 -13 33.3 12 52.04 -13 49.6 6.472 6.317 +0.28 - 3.3 14.1 5.2/130 76.6 8.7 291/0.26 76 .94 2027 Jan. 5 12 52.17 -14 06.6 12 54.79 -14 22.9 6.311 6.316 +0.18 - 2.8 14.0 3.9/137 85.9 8.9 292/0.27 55 .07 15 12 53.99 -14 35.1 12 56.62 -14 51.3 6.148 6.316 +0.08 - 2.3 13.9 2.6/152 95.4 8.9 294/0.28 174 .41 25 12 54.83 -14 58.1 12 57.46 -15 14.3 5.987 6.316 -0.02 - 1.7 13.9 1.7/189 105.1 8.7 295/0.28 41 .91 Feb. 4 12 54.63 -15 15.0 12 57.27 -15 31.2 5.835 6.315 -0.12 - 1.0 13.8 2.0/240 115.0 8.1 297/0.27 86 .06 14 12 53.41 -15 25.2 12 56.04 -15 41.4 5.694 6.315 -0.22 - 0.3 13.8 3.2/264 125.2 7.3 299/0.25 149 .46 24 12 51.20 -15 28.3 12 53.84 -15 44.6 5.571 6.314 -0.31 + 0.4 13.7 4.4/275 135.5 6.3 303/0.22 6 .88 Mar. 6 12 48.14 -15 24.3 12 50.77 -15 40.7 5.469 6.314 -0.38 + 1.1 13.7 5.5/281 145.8 5.1 307/0.18 119 .05