141P/Machholz-A Orbit by S. Nakano NK 4183 (2020) Last obs. 2021 03 24 (221)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 Apr. 23.13469 0.8074735 0.7358248 5.34 153.64841 241.77015 13.96008 0.200 2026 June 9.0 m1 = 12.0 + 5 log Delta + 30.0 log r m2 = 16.0 + 5 log Delta + 5.0 log r + 0.03 phase Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Variation Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , for T=+1 day m1 m2 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 18 57.13 -16 13.8 19 00.00 -16 09.6 2.756 1.789 -0.88 - 2.9 . 19.6 36.4/ 81 8.4 4.6 33/0.31 126 .84 2026 Jan. 10 19 22.05 -15 15.7 19 24.90 -15 09.7 2.658 1.686 -0.99 - 3.6 . 19.4 39.5/ 79 6.9 4.0 2/0.28 99 .56 20 19 48.71 -13 57.4 19 51.52 -13 49.7 2.552 1.581 -1.12 - 4.4 . 19.2 42.9/ 77 7.4 4.6 331/0.33 18 .01 30 20 17.25 -12 16.3 20 20.01 -12 06.8 2.440 1.475 -1.28 - 5.3 . 19.0 46.8/ 75 9.0 6.0 310/0.45 144 .89 Feb. 9 20 47.87 -10 09.9 20 50.58 -09 58.6 2.326 1.368 -1.45 - 6.5 17.9 18.7 51.2/ 73 10.6 7.6 298/0.60 89 .55 19 21 20.85 -07 35.8 21 23.51 -07 22.9 2.213 1.261 -1.65 - 7.8 16.8 18.5 56.2/ 71 11.8 9.2 291/0.76 28 .03 Mar. 1 21 56.49 -04 33.2 21 59.10 -04 18.8 2.106 1.157 -1.88 - 9.2 15.5 18.2 61.6/ 70 12.2 10.5 287/0.90 156 .93 11 22 35.15 -01 03.6 22 37.71 -00 48.0 2.010 1.058 -2.13 -10.5 14.2 18.0 67.1/ 70 11.8 11.1 286/1.00 86 .54 21 23 17.17 +02 47.8 23 19.72 +03 04.2 1.929 0.967 -2.42 -11.4 13.0 17.7 72.4/ 70 10.5 10.9 287/1.02 34 .05 31 00 02.80 +06 50.1 00 05.37 +07 06.8 1.867 0.891 -2.71 -11.6 11.8 17.4 76.7/ 71 8.4 9.4 292/0.91 160 .95 Apr. 10 00 52.00 +10 46.8 00 54.62 +11 03.0 1.827 0.836 -2.99 -10.6 11.0 17.1 79.3/ 73 5.6 6.7 306/0.66 90 .52 20 01 44.24 +14 17.3 01 46.93 +14 32.2 1.810 0.809 -3.20 - 8.4 10.5 17.0 79.7/ 76 3.3 4.1 347/0.41 34 .09 30 02 38.28 +17 01.9 02 41.06 +17 14.7 1.816 0.815 -3.31 - 5.0 10.6 17.0 77.9/ 80 4.2 5.2 51/0.51 157 .97 May 10 03 32.35 +18 48.3 03 35.22 +18 58.3 1.846 0.853 -3.26 - 1.0 11.3 17.2 74.2/ 85 7.1 8.4 79/0.82 96 .49 20 04 24.62 +19 34.2 04 27.54 +19 40.9 1.897 0.917 -3.07 + 2.6 12.3 17.5 69.3/ 89 9.9 10.9 93/1.03 36 .15 30 05 13.60 +19 26.2 05 16.55 +19 29.4 1.968 0.999 -2.78 + 5.5 13.5 17.8 63.8/ 93 12.0 12.2 103/1.12 152 .98 June 9 05 58.48 +18 35.4 06 01.42 +18 35.4 2.056 1.094 -2.44 + 7.4 14.7 18.1 58.5/ 97 13.4 12.4 111/1.09 96 .44 19 06 39.05 +17 13.9 06 41.96 +17 11.0 2.156 1.195 -2.11 + 8.3 16.0 18.4 53.4/100 14.0 11.8 119/1.00 42 .20 29 07 15.49 +15 31.9 07 18.34 +15 26.4 2.265 1.301 -1.81 + 8.6 17.2 18.7 48.8/103 13.8 10.7 126/0.87 154 .99 July 9 07 48.19 +13 37.3 07 50.99 +13 29.6 2.380 1.407 -1.54 + 8.4 18.3 18.9 44.8/105 13.0 9.3 135/0.72 86 .37 19 08 17.66 +11 35.6 08 20.40 +11 26.0 2.495 1.514 -1.32 + 8.0 . 19.1 41.3/107 11.7 7.8 145/0.58 52 .26 29 08 44.33 +09 30.5 08 47.03 +09 19.5 2.609 1.620 -1.13 + 7.4 . 19.3 38.2/109 10.3 6.4 159/0.46 163 1.00 Aug. 8 09 08.63 +07 24.6 09 11.28 +07 12.3 2.718 1.724 -0.98 + 6.7 . 19.5 35.5/111 9.1 5.3 179/0.37 69 .29 18 09 30.90 +05 19.3 09 33.52 +05 05.9 2.820 1.827 -0.85 + 6.0 . 19.7 33.1/112 8.9 4.9 203/0.33 66 .30 28 09 51.42 +03 15.7 09 54.02 +03 01.5 2.912 1.927 -0.75 + 5.4 . 19.9 31.0/113 10.3 5.4 228/0.35 171 1.00 Sept. 7 10 10.42 +01 14.4 10 13.00 +00 59.5 2.994 2.025 -0.66 + 4.8 . 20.1 29.0/114 13.1 6.5 246/0.41 47 .21 17 10 28.07 -00 44.1 10 30.63 -00 59.5 3.062 2.121 -0.59 + 4.2 . 20.3 27.2/115 17.0 8.0 258/0.49 83 .33 27 10 44.48 -02 39.4 10 47.03 -02 55.2 3.117 2.215 -0.53 + 3.7 . 20.5 25.4/116 21.5 9.6 266/0.57 156 1.00 Oct. 7 10 59.74 -04 31.1 11 02.28 -04 47.3 3.156 2.307 -0.48 + 3.2 . 20.6 23.7/117 26.6 11.2 272/0.66 23 .15 17 11 13.89 -06 19.2 11 16.43 -06 35.5 3.180 2.396 -0.44 + 2.8 . 20.8 22.0/118 32.2 12.8 276/0.75 101 .34 27 11 26.93 -08 02.9 11 29.47 -08 19.5 3.187 2.483 -0.40 + 2.4 . 20.9 20.3/120 38.2 14.3 280/0.84 132 .99 Nov. 6 11 38.84 -09 42.2 11 41.39 -09 58.9 3.179 2.568 -0.38 + 2.0 . 21.0 18.4/121 44.6 15.7 282/0.92 9 .11 16 11 49.55 -11 16.5 11 52.11 -11 33.2 3.154 2.651 -0.36 + 1.7 . 21.1 16.4/123 51.3 16.9 285/1.00 123 .36 26 11 58.96 -12 45.1 12 01.53 -13 01.8 3.115 2.733 -0.34 + 1.4 . 21.2 14.3/125 58.5 17.9 287/1.07 103 .97 Dec. 6 12 06.95 -14 07.4 12 09.52 -14 24.1 3.063 2.812 -0.33 + 1.2 . 21.2 11.9/129 66.1 18.7 288/1.13 32 .09 16 12 13.34 -15 22.4 12 15.92 -15 39.0 2.999 2.889 -0.33 + 1.0 . 21.3 9.4/135 74.1 19.1 290/1.17 148 .38 26 12 17.94 -16 28.8 12 20.53 -16 45.4 2.927 2.965 -0.34 + 0.8 . 21.3 6.8/146 82.6 19.2 292/1.21 71 .94 2027 Jan. 5 12 20.57 -17 25.2 12 23.17 -17 41.8 2.849 3.038 -0.35 + 0.7 . 21.3 4.5/172 91.5 18.9 294/1.22 60 .07 15 12 21.04 -18 09.5 12 23.63 -18 26.1 2.769 3.110 -0.36 + 0.6 . 21.2 4.0/221 101.0 18.1 297/1.20 170 .41 25 12 19.21 -18 39.5 12 21.81 -18 56.1 2.693 3.181 -0.39 + 0.6 . 21.2 6.0/257 110.9 16.8 300/1.14 36 .91 Feb. 4 12 15.08 -18 52.8 12 17.67 -19 09.5 2.626 3.249 -0.42 + 0.7 . 21.1 9.0/273 121.3 15.0 304/1.05 93 .06 14 12 08.79 -18 47.1 12 11.37 -19 03.8 2.573 3.316 -0.45 + 0.8 . 21.0 11.8/282 132.1 12.8 310/0.91 139 .46 24 12 00.71 -18 21.3 12 03.27 -18 38.0 2.540 3.382 -0.49 + 1.0 . 21.0 14.0/289 142.9 10.2 318/0.73 14 .88 Mar. 6 11 51.42 -17 35.7 11 53.97 -17 52.4 2.532 3.446 -0.51 + 1.3 . 20.9 15.3/294 153.1 7.5 332/0.54 130 .05