C/2022 U1 (Leonard) Orbit by S. Nakano NK 5511 (2026) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Mar. 26.23006 4.2016365 1.0007026 78.61593 72.53365 128.13844 0.200 2026 June 9.0 m1 = 8.5 + 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 18 01.46 -05 20.0 18 04.13 -05 19.8 7.564 6.647 +0.36 - 1.8 19.1 5.7/109 19.8 2.9 335/0.07 135 .84 2026 Jan. 10 18 05.07 -05 38.4 18 07.74 -05 38.0 7.586 6.705 +0.33 - 1.4 19.1 5.2/106 24.7 3.5 313/0.09 81 .56 20 18 08.40 -05 52.7 18 11.08 -05 52.0 7.581 6.762 +0.29 - 1.0 19.1 4.5/103 31.6 4.4 300/0.11 44 .01 30 18 11.33 -06 03.4 18 14.01 -06 02.4 7.551 6.820 +0.24 - 0.7 19.1 3.7/102 39.5 5.3 291/0.14 158 .89 Feb. 9 18 13.74 -06 10.9 18 16.42 -06 09.8 7.498 6.878 +0.18 - 0.5 19.2 2.7/100 48.1 6.1 284/0.16 54 .55 19 18 15.52 -06 15.9 18 18.20 -06 14.7 7.424 6.935 +0.10 - 0.3 19.2 1.6/101 57.0 6.9 280/0.18 74 .03 Mar. 1 18 16.55 -06 18.9 18 19.24 -06 17.6 7.334 6.994 +0.02 - 0.2 19.2 0.3/121 66.2 7.4 276/0.20 141 .93 11 18 16.74 -06 20.7 18 19.43 -06 19.4 7.232 7.052 -0.07 - 0.1 19.2 1.1/264 75.7 7.8 272/0.21 29 .54 21 18 16.01 -06 21.8 18 18.69 -06 20.6 7.121 7.110 -0.17 - 0.1 19.2 2.6/267 85.4 8.0 269/0.22 109 .05 31 18 14.27 -06 23.0 18 16.96 -06 21.9 7.007 7.169 -0.28 - 0.2 19.1 4.1/267 95.3 8.0 267/0.22 109 .95 Apr. 10 18 11.50 -06 25.1 18 14.19 -06 24.1 6.897 7.227 -0.38 - 0.4 19.1 5.7/266 105.4 7.7 264/0.22 25 .52 20 18 07.69 -06 28.5 18 10.37 -06 27.9 6.795 7.286 -0.48 - 0.6 19.1 7.2/265 115.6 7.1 261/0.20 144 .09 30 18 02.87 -06 34.1 18 05.56 -06 33.8 6.707 7.344 -0.57 - 0.9 19.1 8.6/264 126.0 6.4 257/0.18 73 .97 May 10 17 57.14 -06 42.4 17 59.84 -06 42.5 6.640 7.403 -0.65 - 1.2 19.1 9.7/263 136.3 5.4 252/0.16 53 .49 20 17 50.65 -06 53.7 17 53.35 -06 54.3 6.598 7.462 -0.70 - 1.5 19.1 10.6/262 146.4 4.3 244/0.13 155 .15 30 17 43.60 -07 08.4 17 46.30 -07 09.5 6.585 7.521 -0.74 - 1.9 19.2 11.1/260 155.8 3.2 231/0.09 39 .98 June 9 17 36.22 -07 26.4 17 38.93 -07 28.0 6.604 7.580 -0.74 - 2.2 19.2 11.3/259 162.8 2.3 206/0.07 90 .44 19 17 28.78 -07 47.7 17 31.50 -07 49.9 6.658 7.639 -0.72 - 2.5 19.2 11.0/257 163.9 2.1 166/0.06 120 .20 29 17 21.56 -08 12.0 17 24.28 -08 14.7 6.745 7.698 -0.68 - 2.7 19.3 10.4/255 158.2 2.8 135/0.08 20 .99 July 9 17 14.78 -08 38.9 17 17.51 -08 42.1 6.865 7.757 -0.61 - 3.0 19.4 9.5/252 149.4 3.8 120/0.11 129 .37 19 17 08.66 -09 08.0 17 11.40 -09 11.6 7.014 7.816 -0.53 - 3.1 19.4 8.4/248 139.6 4.8 112/0.13 82 .26 29 17 03.37 -09 38.7 17 06.11 -09 42.7 7.190 7.876 -0.44 - 3.2 19.5 7.2/243 129.5 5.7 107/0.15 45 1.00 Aug. 8 16 58.98 -10 10.6 17 01.74 -10 14.9 7.388 7.935 -0.34 - 3.3 19.6 6.0/237 119.4 6.4 103/0.17 162 .29 18 16 55.56 -10 43.2 16 58.33 -10 47.8 7.601 7.994 -0.24 - 3.3 19.7 4.9/227 109.4 6.9 100/0.18 47 .30 28 16 53.13 -11 16.1 16 55.90 -11 20.8 7.826 8.053 -0.15 - 3.3 19.8 3.9/213 99.4 7.1 98/0.18 78 1.00 Sept. 7 16 51.63 -11 48.9 16 54.42 -11 53.7 8.056 8.113 -0.06 - 3.2 19.8 3.4/195 89.7 7.1 96/0.17 142 .21 17 16 51.03 -12 21.2 16 53.83 -12 26.1 8.287 8.172 +0.02 - 3.2 19.9 3.2/174 80.0 7.0 95/0.16 18 .33 27 16 51.26 -12 52.9 16 54.06 -12 57.7 8.512 8.231 +0.10 - 3.1 20.0 3.4/155 70.5 6.6 93/0.15 113 1.00 Oct. 7 16 52.21 -13 23.6 16 55.03 -13 28.3 8.729 8.291 +0.16 - 2.9 20.1 3.8/142 61.0 6.1 91/0.14 106 .15 17 16 53.81 -13 53.1 16 56.63 -13 57.8 8.931 8.350 +0.21 - 2.8 20.2 4.2/132 51.7 5.4 89/0.12 24 .34 27 16 55.94 -14 21.3 16 58.78 -14 25.8 9.116 8.410 +0.26 - 2.6 20.2 4.6/125 42.5 4.6 87/0.10 147 .99 Nov. 6 16 58.52 -14 47.9 17 01.37 -14 52.3 9.280 8.469 +0.29 - 2.5 20.3 4.9/120 33.3 3.7 84/0.08 72 .11 16 17 01.44 -15 13.0 17 04.30 -15 17.1 9.420 8.528 +0.32 - 2.3 20.4 5.1/117 24.3 2.7 78/0.06 51 .36 26 17 04.60 -15 36.4 17 07.46 -15 40.3 9.534 8.588 +0.33 - 2.1 20.4 5.2/114 15.6 1.8 68/0.04 167 .97 Dec. 6 17 07.89 -15 58.0 17 10.76 -16 01.7 9.621 8.647 +0.33 - 2.0 20.4 5.2/112 8.3 0.9 37/0.02 40 .09 16 17 11.21 -16 18.0 17 14.09 -16 21.4 9.680 8.706 +0.33 - 1.8 20.5 5.0/111 8.1 0.9 328/0.02 80 .38 26 17 14.45 -16 36.2 17 17.34 -16 39.4 9.710 8.766 +0.31 - 1.6 20.5 4.7/111 15.5 1.7 298/0.04 138 .94 2027 Jan. 5 17 17.52 -16 52.9 17 20.41 -16 55.8 9.712 8.825 +0.28 - 1.5 20.5 4.3/111 24.3 2.6 288/0.05 13 .07 15 17 20.31 -17 08.0 17 23.21 -17 10.8 9.688 8.884 +0.24 - 1.4 20.5 3.7/112 33.5 3.5 283/0.07 112 .41 25 17 22.72 -17 21.8 17 25.62 -17 24.4 9.639 8.944 +0.19 - 1.2 20.6 3.0/114 42.9 4.3 280/0.09 103 .91 Feb. 4 17 24.65 -17 34.4 17 27.56 -17 36.8 9.569 9.003 +0.14 - 1.1 20.6 2.3/120 52.5 5.0 278/0.10 25 .06 14 17 26.01 -17 45.9 17 28.93 -17 48.3 9.480 9.062 +0.07 - 1.1 20.6 1.5/136 62.2 5.5 276/0.12 146 .46 24 17 26.72 -17 56.6 17 29.64 -17 58.9 9.377 9.121 0.00 - 1.0 20.6 1.0/181 72.1 5.9 275/0.12 69 .88 Mar. 6 17 26.71 -18 06.6 17 29.63 -18 08.9 9.265 9.181 -0.08 - 1.0 20.6 1.5/230 82.1 6.1 274/0.13 55 .05