C/2022 U1 (Leonard) Orbit by S. Nakano unpublished (2023) Observed in 2nd half of 2022
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Mar. 25.69198 4.2022308 0.9996865 78.55391 72.51950 128.14608 0.200 2023 Sep. 13.0 m1 = 9.5 + 5 log Delta + 8.0 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 03 03.52 +34 45.4 03 06.64 +34 56.9 4.851 5.604 -1.06 - 1.7 18.9 13.1/263 136.4 7.0 90/0.28 90 .18 2023 Jan. 6 02 52.98 +34 27.8 02 56.07 +34 39.9 4.933 5.553 -0.87 - 1.8 18.9 11.0/261 124.8 8.4 84/0.33 44 .99 16 02 44.26 +34 09.6 02 47.33 +34 22.1 5.037 5.503 -0.68 - 1.6 18.9 8.6/260 113.4 9.4 79/0.36 158 .41 26 02 37.44 +33 53.7 02 40.49 +34 06.6 5.157 5.452 -0.50 - 1.1 19.0 6.3/260 102.3 10.2 74/0.38 49 .23 Feb. 5 02 32.47 +33 42.6 02 35.50 +33 55.6 5.284 5.403 -0.33 - 0.5 19.0 4.1/263 91.6 10.5 71/0.38 79 .99 15 02 29.20 +33 37.5 02 32.22 +33 50.7 5.413 5.354 -0.18 + 0.2 19.0 2.2/275 81.3 10.5 67/0.37 151 .36 25 02 27.46 +33 39.4 02 30.47 +33 52.7 5.537 5.305 -0.04 + 0.9 19.0 1.1/330 71.4 10.2 64/0.36 19 .27 Mar. 7 02 27.02 +33 48.8 02 30.04 +34 02.1 5.650 5.258 +0.07 + 1.7 19.0 1.9/ 27 62.0 9.6 60/0.33 111 1.00 17 02 27.70 +34 05.6 02 30.72 +34 18.9 5.748 5.210 +0.16 + 2.4 19.0 3.1/ 40 53.0 8.8 55/0.30 116 .29 27 02 29.31 +34 29.6 02 32.34 +34 42.9 5.828 5.164 +0.24 + 3.1 19.0 4.2/ 43 44.5 7.8 50/0.26 29 .30 Apr. 6 02 31.64 +35 00.7 02 34.69 +35 13.8 5.885 5.118 +0.29 + 3.8 19.0 5.2/ 43 36.7 6.7 43/0.22 140 1.00 16 02 34.54 +35 38.5 02 37.61 +35 51.5 5.920 5.073 +0.33 + 4.4 19.0 6.0/ 42 29.7 5.6 32/0.19 80 .22 26 02 37.85 +36 22.8 02 40.94 +36 35.6 5.929 5.029 +0.36 + 5.0 19.0 6.6/ 40 24.2 4.7 17/0.16 56 .32 May 6 02 41.39 +37 13.4 02 44.51 +37 26.0 5.912 4.985 +0.37 + 5.7 18.9 7.1/ 37 21.2 4.2 356/0.14 161 1.00 16 02 45.03 +38 10.1 02 48.18 +38 22.6 5.870 4.942 +0.36 + 6.3 18.9 7.5/ 34 21.4 4.3 333/0.14 48 .15 26 02 48.59 +39 13.0 02 51.77 +39 25.3 5.802 4.900 +0.33 + 6.9 18.8 7.9/ 29 24.7 5.0 313/0.17 82 .35 June 5 02 51.91 +40 22.1 02 55.12 +40 34.2 5.710 4.859 +0.29 + 7.5 18.8 8.2/ 23 30.2 6.0 298/0.20 144 .99 15 02 54.78 +41 37.5 02 58.03 +41 49.5 5.594 4.819 +0.22 + 8.2 18.7 8.6/ 17 36.8 7.2 288/0.25 24 .10 25 02 56.98 +42 59.6 03 00.28 +43 11.5 5.458 4.780 +0.13 + 8.9 18.6 9.0/ 9 44.0 8.5 281/0.30 109 .37 July 5 02 58.24 +44 28.3 03 01.58 +44 40.1 5.304 4.742 0.00 + 9.5 18.5 9.5/ 0 51.7 9.7 275/0.35 112 .96 15 02 58.23 +46 03.7 03 01.61 +46 15.6 5.134 4.705 -0.17 +10.2 18.4 10.3/351 59.7 10.8 270/0.40 33 .07 25 02 56.54 +47 45.7 02 59.96 +47 57.6 4.953 4.669 -0.39 +10.8 18.3 11.4/341 68.0 11.6 264/0.45 134 .41 Aug. 4 02 52.64 +49 33.3 02 56.11 +49 45.4 4.765 4.634 -0.67 +11.2 18.2 12.9/331 76.5 12.3 259/0.49 78 .92 14 02 45.94 +51 24.7 02 49.43 +51 37.2 4.575 4.600 -1.03 +11.2 18.1 14.6/321 85.1 12.7 253/0.53 61 .05 24 02 35.66 +53 16.6 02 39.18 +53 29.5 4.388 4.567 -1.46 +10.7 18.0 16.7/311 93.7 12.8 245/0.55 147 .46 Sept. 3 02 21.06 +55 03.1 02 24.56 +55 16.6 4.211 4.535 -1.96 + 9.3 17.9 18.9/302 102.4 12.6 236/0.57 49 .88 13 02 01.49 +56 35.7 02 04.92 +56 50.1 4.050 4.505 -2.48 + 6.8 17.8 21.2/291 110.7 12.1 224/0.56 91 .04 23 01 36.82 +57 43.0 01 40.12 +57 58.2 3.911 4.476 -2.91 + 3.0 17.7 23.2/281 118.3 11.4 209/0.55 126 .52 Oct. 3 01 07.92 +58 12.5 01 11.02 +58 28.4 3.802 4.448 -3.13 - 1.7 17.6 24.7/269 124.7 10.7 191/0.53 45 .84 13 00 36.87 +57 54.5 00 39.73 +58 11.0 3.726 4.422 -3.06 - 6.8 17.5 25.5/258 128.9 10.1 170/0.51 119 .03 23 00 06.53 +56 46.6 00 09.15 +57 03.3 3.687 4.397 -2.72 -11.1 17.5 25.3/247 130.3 9.9 148/0.51 89 .60 Nov. 2 23 39.51 +54 55.3 23 41.94 +55 11.9 3.686 4.373 -2.23 -14.2 17.5 24.2/237 128.4 10.2 126/0.52 70 .81 12 23 17.31 +52 33.9 23 19.60 +52 50.3 3.722 4.351 -1.71 -15.6 17.5 22.3/227 123.8 10.9 107/0.55 129 .02 22 23 00.26 +49 57.9 23 02.48 +50 14.0 3.790 4.330 -1.24 -15.7 17.5 19.9/219 117.1 11.7 91/0.58 57 .67 Dec. 2 22 47.93 +47 21.2 22 50.12 +47 37.1 3.884 4.311 -0.84 -14.7 17.5 17.1/211 109.2 12.5 78/0.61 101 .79 12 22 39.56 +44 54.1 22 41.74 +45 09.8 3.998 4.293 -0.52 -13.1 17.6 14.2/204 100.8 13.0 68/0.62 111 .01 22 22 34.37 +42 43.2 22 36.56 +42 58.8 4.125 4.276 -0.27 -11.1 17.6 11.5/195 92.2 13.3 59/0.61 51 .74 2024 Jan. 1 22 31.65 +40 52.1 22 33.85 +41 07.7 4.257 4.262 -0.08 - 9.0 17.7 9.1/186 83.7 13.3 52/0.59 126 .78 11 22 30.81 +39 22.1 22 33.03 +39 37.6 4.388 4.249 +0.06 - 6.9 17.7 6.9/174 75.5 12.9 44/0.56 84 .01 21 22 31.37 +38 13.0 22 33.61 +38 28.5 4.512 4.237 +0.16 - 4.9 17.8 5.2/159 67.7 12.4 37/0.52 71 .79 31 22 32.93 +37 24.0 22 35.18 +37 39.6 4.624 4.227 +0.22 - 3.0 17.8 4.0/138 60.5 11.7 29/0.48 136 .77 Feb. 10 22 35.16 +36 53.7 22 37.42 +37 09.3 4.720 4.219 +0.26 - 1.3 17.9 3.4/112 54.1 10.9 20/0.44 57 .00 20 22 37.79 +36 40.6 22 40.06 +36 56.3 4.798 4.212 +0.28 + 0.3 17.9 3.3/ 85 48.7 10.2 10/0.41 95 .82 Mar. 1 22 40.55 +36 43.3 22 42.84 +36 59.1 4.855 4.207 +0.27 + 1.7 17.9 3.7/ 62 44.6 9.5 358/0.38 127 .75 11 22 43.25 +37 00.4 22 45.54 +37 16.2 4.889 4.204 +0.24 + 3.0 17.9 4.2/ 43 42.0 9.1 345/0.36 43 .01 21 22 45.65 +37 30.6 22 47.94 +37 46.4 4.899 4.202 +0.19 + 4.2 17.9 4.7/ 28 41.3 9.0 331/0.35 117 .84 31 22 47.53 +38 12.5 22 49.83 +38 28.4 4.887 4.202 +0.11 + 5.3 17.9 5.4/ 14 42.3 9.2 318/0.36 106 .72