40P/Vaisala Orbit by T. Kobayashi NK 4975 (2022) Observed in 1st half of 2026
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Nov. 12.04135 1.8238540 0.6312004 11.0 52.06918 128.89946 11.64041 0.200 2026 June 9.0 m1 = 5.5 + 5 log Delta + 30.0 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 15 14.02 -08 35.4 15 16.71 -08 46.4 2.353 1.889 +2.34 - 5.9 15.6 35.2/100 50.6 23.7 293/1.82 166 .84 2026 Jan. 10 15 37.44 -09 35.8 15 40.16 -09 45.4 2.307 1.918 +2.25 - 4.4 15.8 33.5/ 98 54.9 24.8 290/1.93 45 .56 20 15 59.89 -10 21.5 16 02.63 -10 29.7 2.258 1.950 +2.12 - 3.0 16.0 31.5/ 96 59.4 25.7 287/2.04 73 .01 30 16 21.12 -10 52.7 16 23.88 -10 59.6 2.207 1.987 +1.98 - 1.6 16.2 29.2/ 94 64.2 26.5 285/2.14 151 .89 Feb. 9 16 40.92 -11 10.5 16 43.69 -11 16.0 2.154 2.028 +1.81 - 0.4 16.4 26.7/ 91 69.3 27.1 282/2.24 31 .55 19 16 59.04 -11 15.9 17 01.82 -11 20.2 2.098 2.072 +1.62 + 0.6 16.6 23.8/ 89 74.8 27.4 279/2.32 93 .03 Mar. 1 17 15.23 -11 10.8 17 18.01 -11 13.9 2.039 2.119 +1.40 + 1.5 16.8 20.7/ 86 80.8 27.5 276/2.39 129 .93 11 17 29.27 -10 57.2 17 32.04 -10 59.3 1.978 2.169 +1.16 + 2.1 17.1 17.2/ 83 87.1 27.2 273/2.43 19 .54 21 17 40.90 -10 37.4 17 43.67 -10 38.7 1.916 2.221 +0.90 + 2.4 17.3 13.4/ 80 94.0 26.6 271/2.45 118 .05 31 17 49.86 -10 14.2 17 52.63 -10 14.8 1.854 2.275 +0.61 + 2.4 17.5 9.4/ 75 101.5 25.5 268/2.42 103 .95 Apr. 10 17 55.98 -09 50.1 17 58.74 -09 50.3 1.796 2.330 +0.31 + 2.2 17.8 5.1/ 64 109.5 23.9 265/2.35 25 .52 20 17 59.08 -09 28.2 18 01.83 -09 28.2 1.743 2.388 0.00 + 1.7 18.0 1.7/ 1 118.2 21.8 262/2.20 148 .09 30 17 59.11 -09 11.4 18 01.85 -09 11.4 1.700 2.446 -0.29 + 0.9 18.3 4.4/282 127.4 19.1 259/1.98 72 .97 May 10 17 56.22 -09 02.3 17 58.96 -09 02.5 1.669 2.506 -0.55 - 0.1 18.6 8.1/269 137.2 15.9 254/1.68 52 .49 20 17 50.76 -09 03.0 17 53.50 -09 03.6 1.656 2.566 -0.74 - 1.3 18.9 11.0/263 147.3 12.3 247/1.32 156 .15 30 17 43.40 -09 15.0 17 46.15 -09 16.1 1.664 2.628 -0.84 - 2.4 19.2 12.6/259 157.1 8.6 235/0.92 38 .98 June 9 17 35.03 -09 38.2 17 37.78 -09 40.0 1.696 2.689 -0.84 - 3.4 19.5 12.9/254 164.9 5.6 208/0.59 90 .44 19 17 26.61 -10 11.7 17 29.37 -10 14.0 1.755 2.752 -0.75 - 4.2 19.9 11.9/249 166.0 5.1 161/0.52 120 .20 29 17 19.08 -10 53.6 17 21.85 -10 56.4 1.839 2.814 -0.59 - 4.8 20.3 10.0/241 159.6 7.2 129/0.71 18 .99 July 9 17 13.14 -11 41.3 17 15.93 -11 44.6 1.948 2.877 -0.39 - 5.2 20.7 7.7/228 150.5 10.0 115/0.93 130 .37 19 17 09.22 -12 32.8 17 12.03 -12 36.4 2.080 2.940 -0.17 - 5.3 21.1 5.9/205 140.9 12.6 108/1.10 82 .26 29 17 07.53 -13 25.9 17 10.35 -13 29.6 2.232 3.003 +0.05 - 5.3 21.6 5.3/172 131.5 14.7 103/1.20 43 1.00 Aug. 8 17 08.01 -14 18.8 17 10.85 -14 22.5 2.400 3.066 +0.26 - 5.1 22.0 6.3/144 122.4 16.2 100/1.23 164 .29 18 17 10.55 -15 10.4 17 13.40 -15 13.9 2.581 3.129 +0.44 - 4.9 22.4 8.0/128 113.7 17.2 98/1.22 49 .30 28 17 14.93 -15 59.4 17 17.81 -16 02.5 2.772 3.191 +0.60 - 4.5 22.8 9.8/118 105.3 17.8 96/1.18 73 1.00 Sept. 7 17 20.93 -16 45.0 17 23.83 -16 47.7 2.970 3.254 +0.74 - 4.1 23.2 11.4/111 97.2 17.9 94/1.11 150 .21 17 17 28.33 -17 26.6 17 31.24 -17 28.8 3.171 3.316 +0.86 - 3.6 23.6 12.8/107 89.3 17.6 93/1.03 23 .33 27 17 36.92 -18 03.6 17 39.85 -18 05.2 3.374 3.378 +0.96 - 3.1 24.0 14.0/103 81.7 17.1 91/0.94 102 1.00 Oct. 7 17 46.50 -18 35.6 17 49.44 -18 36.5 3.575 3.440 +1.04 - 2.6 24.4 15.0/100 74.2 16.2 90/0.85 119 .15 17 17 56.91 -19 02.4 17 59.85 -19 02.5 3.772 3.501 +1.11 - 2.0 24.7 15.8/ 98 66.8 15.2 88/0.76 10 .34 27 18 07.97 -19 23.7 18 10.93 -19 23.0 3.963 3.562 +1.16 - 1.5 25.0 16.5/ 96 59.5 13.9 87/0.66 131 .99 Nov. 6 18 19.56 -19 39.4 18 22.51 -19 37.9 4.145 3.622 +1.20 - 0.9 25.4 16.9/ 94 52.2 12.5 85/0.57 91 .11 16 18 31.53 -19 49.5 18 34.49 -19 47.1 4.316 3.683 +1.22 - 0.4 25.7 17.3/ 92 45.0 10.9 83/0.48 29 .36 26 18 43.78 -19 54.1 18 46.73 -19 50.8 4.474 3.742 +1.24 + 0.2 25.9 17.5/ 90 37.8 9.3 81/0.40 160 .97 Dec. 6 18 56.18 -19 53.3 18 59.13 -19 49.2 4.617 3.802 +1.24 + 0.7 26.2 17.6/ 88 30.5 7.6 79/0.31 65 .09 16 19 08.63 -19 47.5 19 11.57 -19 42.4 4.745 3.861 +1.24 + 1.1 26.5 17.5/ 87 23.3 5.8 77/0.23 53 .38 26 19 21.03 -19 36.8 19 23.96 -19 31.0 4.854 3.919 +1.22 + 1.6 26.7 17.4/ 85 16.1 4.0 73/0.16 168 .94 2027 Jan. 5 19 33.28 -19 21.9 19 36.20 -19 15.2 4.945 3.977 +1.20 + 2.0 27.0 17.1/ 84 8.9 2.2 66/0.08 40 .07 15 19 45.31 -19 03.2 19 48.22 -18 55.7 5.017 4.034 +1.17 + 2.3 27.2 16.8/ 83 2.5 0.6 19/0.02 78 .41 25 19 57.02 -18 41.3 19 59.91 -18 33.1 5.068 4.091 +1.13 + 2.5 27.4 16.3/ 82 6.4 1.5 276/0.06 139 .91 Feb. 4 20 08.33 -18 16.9 20 11.20 -18 08.0 5.099 4.148 +1.08 + 2.7 27.6 15.7/ 81 13.7 3.2 265/0.12 16 .06 14 20 19.16 -17 50.7 20 22.01 -17 41.1 5.110 4.204 +1.03 + 2.8 27.8 14.9/ 80 21.1 4.9 261/0.18 107 .46 24 20 29.43 -17 23.5 20 32.27 -17 13.3 5.101 4.260 +0.96 + 2.8 27.9 14.1/ 79 28.7 6.4 259/0.24 111 .88 Mar. 6 20 39.06 -16 56.0 20 41.88 -16 45.3 5.073 4.315 +0.89 + 2.7 28.1 13.1/ 78 36.4 7.8 257/0.30 9 .05