C/2021 A1 (Leonard) Orbit by S. Nakano NK 4621 (2022) Last obs. 2022 01 22 (W88)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2022 Jan. 3.29461 0.6159612 0.9999944 225.11082 255.90240 132.72602 0.200 2023 Sep. 13.0 m1 = 7.5 + 5 log Delta + 10.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 17 00.27 -20 13.5 17 03.23 -20 17.7 5.925 5.001 +0.54 + 1.1 18.4 7.6/ 82 18.3 3.5 283/0.11 69 .18 2023 Jan. 6 17 05.64 -20 02.4 17 08.59 -20 06.3 5.957 5.102 +0.48 + 1.3 18.5 6.8/ 79 27.3 5.1 281/0.16 162 .99 16 17 10.40 -19 49.5 17 13.35 -19 52.9 5.963 5.203 +0.40 + 1.5 18.5 5.9/ 75 36.3 6.4 279/0.21 43 .41 26 17 14.43 -19 34.4 17 17.38 -19 37.6 5.945 5.303 +0.32 + 1.7 18.6 4.8/ 69 45.6 7.6 278/0.25 103 .23 Feb. 5 17 17.60 -19 17.2 17 20.55 -19 20.1 5.906 5.402 +0.22 + 2.0 18.7 3.7/ 58 55.0 8.6 277/0.28 133 .99 15 17 19.80 -18 57.8 17 22.74 -19 00.6 5.851 5.500 +0.11 + 2.2 18.7 2.7/ 36 64.6 9.3 276/0.31 11 .36 25 17 20.91 -18 36.2 17 23.84 -18 39.0 5.781 5.597 -0.01 + 2.4 18.8 2.4/357 74.4 9.8 275/0.32 137 .27 Mar. 7 17 20.82 -18 12.6 17 23.75 -18 15.3 5.703 5.694 -0.14 + 2.6 18.8 3.2/323 84.5 10.0 274/0.34 101 1.00 17 17 19.47 -17 46.8 17 22.38 -17 49.6 5.621 5.790 -0.27 + 2.8 18.9 4.7/306 94.8 9.9 273/0.34 32 .29 27 17 16.80 -17 19.1 17 19.71 -17 22.1 5.542 5.885 -0.40 + 2.9 18.9 6.4/297 105.3 9.4 272/0.33 168 .30 Apr. 6 17 12.83 -16 49.5 17 15.72 -16 52.8 5.471 5.979 -0.52 + 3.1 19.0 8.1/292 116.1 8.6 271/0.30 66 1.00 16 17 07.63 -16 18.4 17 10.51 -16 22.1 5.415 6.073 -0.63 + 3.2 19.0 9.6/289 127.1 7.6 270/0.27 73 .22 26 17 01.33 -15 46.1 17 04.20 -15 50.2 5.380 6.167 -0.72 + 3.2 19.1 10.9/287 138.2 6.2 268/0.22 150 .32 May 6 16 54.16 -15 13.2 16 57.02 -15 17.8 5.370 6.259 -0.78 + 3.2 19.1 11.7/286 149.4 4.7 264/0.17 28 1.00 16 16 46.40 -14 40.4 16 49.24 -14 45.5 5.390 6.351 -0.80 + 3.1 19.2 12.1/285 160.3 3.1 255/0.11 116 .15 26 16 38.37 -14 08.6 16 41.20 -14 14.3 5.443 6.443 -0.80 + 2.9 19.3 12.0/284 169.8 1.6 227/0.06 113 .35 June 5 16 30.43 -13 38.7 16 33.24 -13 45.0 5.531 6.534 -0.76 + 2.6 19.4 11.3/283 170.5 1.5 156/0.05 20 .99 15 16 22.88 -13 11.7 16 25.68 -13 18.5 5.652 6.624 -0.69 + 2.3 19.5 10.3/283 161.6 2.8 125/0.10 157 .10 25 16 16.01 -12 48.4 16 18.81 -12 55.6 5.806 6.714 -0.60 + 1.9 19.6 9.0/282 151.1 4.2 115/0.14 77 .37 July 5 16 10.04 -12 29.2 16 12.82 -12 36.8 5.988 6.803 -0.50 + 1.4 19.7 7.4/281 140.4 5.5 111/0.18 61 .96 15 16 05.09 -12 14.4 16 07.87 -12 22.3 6.196 6.891 -0.39 + 1.0 19.8 5.7/280 129.9 6.5 108/0.20 158 .07 25 16 01.25 -12 04.0 16 04.02 -12 12.2 6.423 6.980 -0.27 + 0.6 20.0 4.1/278 119.5 7.3 106/0.22 41 .41 Aug. 4 15 58.52 -11 57.8 16 01.28 -12 06.2 6.665 7.067 -0.17 + 0.2 20.1 2.4/275 109.4 7.8 104/0.23 102 .92 14 15 56.86 -11 55.4 15 59.63 -12 03.8 6.917 7.154 -0.06 - 0.1 20.2 0.9/265 99.5 8.0 103/0.22 124 .05 24 15 56.22 -11 56.2 15 58.99 -12 04.7 7.173 7.241 +0.03 - 0.4 20.4 0.6/129 89.9 8.0 102/0.22 12 .46 Sept. 3 15 56.52 -11 59.8 15 59.29 -12 08.2 7.428 7.327 +0.11 - 0.6 20.5 1.8/108 80.4 7.8 100/0.20 140 .88 13 15 57.65 -12 05.4 16 00.42 -12 13.8 7.678 7.413 +0.19 - 0.7 20.6 2.8/104 71.1 7.4 99/0.19 93 .04 23 15 59.52 -12 12.5 16 02.29 -12 20.8 7.919 7.498 +0.25 - 0.8 20.7 3.7/102 61.9 6.8 97/0.17 33 .52 Oct. 3 16 02.01 -12 20.5 16 04.79 -12 28.6 8.145 7.583 +0.30 - 0.8 20.9 4.5/100 52.9 6.0 95/0.14 168 .84 13 16 05.04 -12 28.8 16 07.82 -12 36.7 8.355 7.668 +0.35 - 0.8 21.0 5.1/ 99 43.9 5.2 92/0.12 63 .03 23 16 08.49 -12 37.0 16 11.28 -12 44.7 8.545 7.752 +0.38 - 0.7 21.1 5.6/ 98 35.1 4.2 89/0.10 68 .60 Nov. 2 16 12.26 -12 44.5 16 15.05 -12 52.0 8.712 7.835 +0.40 - 0.6 21.1 5.9/ 96 26.4 3.2 83/0.07 150 .81 12 16 16.26 -12 51.0 16 19.05 -12 58.2 8.854 7.919 +0.41 - 0.5 21.2 6.0/ 95 18.1 2.2 73/0.05 34 .02 22 16 20.38 -12 56.1 16 23.18 -13 03.0 8.969 8.002 +0.41 - 0.3 21.3 6.1/ 93 11.0 1.3 50/0.03 104 .67 Dec. 2 16 24.52 -12 59.4 16 27.32 -13 06.1 9.057 8.084 +0.41 - 0.1 21.4 6.0/ 91 8.7 1.1 356/0.02 122 .79 12 16 28.60 -13 00.7 16 31.40 -13 07.1 9.118 8.166 +0.39 + 0.1 21.4 5.7/ 89 14.1 1.7 316/0.04 12 .01 22 16 32.49 -12 59.7 16 35.30 -13 05.8 9.151 8.248 +0.36 + 0.4 21.5 5.3/ 86 22.1 2.6 301/0.05 138 .74 2024 Jan. 1 16 36.12 -12 56.3 16 38.92 -13 02.2 9.157 8.329 +0.33 + 0.6 21.5 4.8/ 83 30.9 3.5 293/0.07 94 .78 11 16 39.38 -12 50.4 16 42.18 -12 56.1 9.139 8.410 +0.28 + 0.9 21.6 4.2/ 78 40.0 4.3 289/0.09 35 .01 21 16 42.18 -12 41.9 16 44.98 -12 47.4 9.099 8.491 +0.22 + 1.1 21.6 3.5/ 71 49.3 5.0 286/0.11 165 .79 31 16 44.43 -12 30.8 16 47.23 -12 36.1 9.040 8.571 +0.16 + 1.4 21.6 2.7/ 60 58.8 5.6 283/0.12 65 .77 Feb. 10 16 46.05 -12 17.1 16 48.84 -12 22.3 8.965 8.651 +0.09 + 1.6 21.6 2.1/ 40 68.4 6.1 281/0.13 70 .00 20 16 46.97 -12 01.1 16 49.76 -12 06.2 8.880 8.730 +0.02 + 1.8 21.7 1.8/ 7 78.1 6.4 279/0.14 148 .82 Mar. 1 16 47.13 -11 42.8 16 49.91 -11 47.9 8.788 8.809 -0.06 + 2.0 21.7 2.2/335 88.0 6.5 277/0.14 35 .75 11 16 46.49 -11 22.5 16 49.27 -11 27.7 8.694 8.888 -0.15 + 2.2 21.7 3.1/315 98.1 6.4 276/0.14 107 .01 21 16 45.04 -11 00.6 16 47.81 -11 05.9 8.605 8.967 -0.22 + 2.3 21.7 4.0/305 108.2 6.1 274/0.14 116 .84 31 16 42.80 -10 37.5 16 45.56 -10 42.9 8.526 9.045 -0.30 + 2.4 21.7 5.0/298 118.5 5.6 271/0.13 16 .72