486P/Leonard Orbit by S. Nakano CBET 5402 (2024) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Apr. 3.73519 2.3090195 0.3632749 6.91 93.93042 219.02070 2.20972 0.200 2026 June 9.0 m1 = 10.5 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 00 29.02 +03 35.6 00 31.59 +03 52.1 2.723 2.889 +0.94 + 5.4 16.4 15.1/ 69 89.6 19.9 67/1.34 43 .84 2026 Jan. 10 00 38.44 +04 29.4 00 41.02 +04 45.8 2.895 2.923 +1.04 + 6.0 16.5 16.7/ 69 81.9 19.5 67/1.24 177 .56 20 00 48.85 +05 29.5 00 51.43 +05 45.9 3.065 2.958 +1.12 + 6.5 16.7 18.0/ 69 74.5 18.7 67/1.13 61 .01 30 01 00.07 +06 34.5 01 02.67 +06 50.6 3.231 2.993 +1.19 + 6.8 16.9 19.0/ 69 67.3 17.7 67/1.02 74 .89 Feb. 9 01 11.96 +07 42.8 01 14.57 +07 58.7 3.392 3.027 +1.24 + 7.0 17.0 19.8/ 69 60.3 16.5 68/0.91 156 .55 19 01 24.39 +08 53.2 01 27.02 +09 08.7 3.545 3.063 +1.29 + 7.1 17.1 20.3/ 69 53.5 15.0 68/0.80 35 .03 Mar. 1 01 37.27 +10 04.5 01 39.92 +10 19.7 3.690 3.098 +1.33 + 7.1 17.3 20.8/ 70 46.9 13.5 69/0.69 102 .93 11 01 50.51 +11 15.6 01 53.18 +11 30.3 3.824 3.133 +1.35 + 7.0 17.4 21.1/ 70 40.3 11.8 70/0.58 134 .54 21 02 04.03 +12 25.6 02 06.73 +12 39.9 3.946 3.168 +1.38 + 6.8 17.5 21.2/ 71 33.9 10.1 70/0.48 9 .05 31 02 17.78 +13 33.8 02 20.50 +13 47.5 4.056 3.203 +1.39 + 6.5 17.6 21.3/ 72 27.5 8.3 71/0.39 128 .95 Apr. 10 02 31.68 +14 39.3 02 34.42 +14 52.4 4.152 3.238 +1.40 + 6.2 17.7 21.2/ 73 21.2 6.4 73/0.29 113 .52 20 02 45.68 +15 41.6 02 48.45 +15 54.0 4.234 3.274 +1.41 + 5.8 17.8 21.1/ 74 14.9 4.5 74/0.20 21 .09 30 02 59.72 +16 40.0 03 02.52 +16 51.8 4.301 3.309 +1.41 + 5.3 17.8 20.8/ 75 8.7 2.6 76/0.12 152 .97 May 10 03 13.75 +17 34.2 03 16.57 +17 45.2 4.352 3.343 +1.40 + 4.9 17.9 20.5/ 76 2.5 0.8 84/0.03 91 .49 20 03 27.70 +18 23.8 03 30.55 +18 34.0 4.387 3.378 +1.38 + 4.4 17.9 20.1/ 77 3.8 1.1 250/0.05 49 .15 30 03 41.50 +19 08.5 03 44.39 +19 17.9 4.406 3.413 +1.36 + 3.9 18.0 19.6/ 78 10.0 3.0 254/0.13 173 .98 June 9 03 55.10 +19 48.2 03 58.01 +19 56.7 4.409 3.447 +1.33 + 3.4 18.0 19.1/ 79 16.3 4.8 257/0.21 67 .44 19 04 08.41 +20 22.7 04 11.34 +20 30.4 4.396 3.481 +1.30 + 2.9 18.0 18.4/ 81 22.7 6.5 258/0.28 76 .20 29 04 21.35 +20 52.1 04 24.30 +20 59.0 4.367 3.515 +1.25 + 2.3 18.1 17.6/ 82 29.2 8.1 260/0.35 161 .99 July 9 04 33.82 +21 16.4 04 36.79 +21 22.4 4.323 3.548 +1.19 + 1.9 18.1 16.7/ 83 35.8 9.6 261/0.42 39 .37 19 04 45.73 +21 35.9 04 48.71 +21 41.1 4.264 3.582 +1.12 + 1.4 18.1 15.7/ 84 42.5 11.1 262/0.49 103 .26 29 04 56.95 +21 50.7 04 59.95 +21 55.1 4.191 3.615 +1.04 + 1.0 18.1 14.5/ 86 49.5 12.3 263/0.56 137 1.00 Aug. 8 05 07.37 +22 01.3 05 10.38 +22 04.9 4.106 3.648 +0.95 + 0.6 18.1 13.2/ 87 56.6 13.4 265/0.62 10 .29 18 05 16.85 +22 08.0 05 19.86 +22 11.0 4.009 3.680 +0.84 + 0.3 18.0 11.6/ 88 64.0 14.3 266/0.67 130 .30 28 05 25.22 +22 11.3 05 28.23 +22 13.7 3.903 3.712 +0.71 0.0 18.0 9.9/ 90 71.7 15.0 267/0.72 110 1.00 Sept. 7 05 32.33 +22 11.8 05 35.35 +22 13.7 3.790 3.744 +0.57 - 0.2 18.0 7.9/ 91 79.7 15.4 267/0.76 26 .21 17 05 38.00 +22 10.0 05 41.02 +22 11.5 3.672 3.776 +0.40 - 0.4 17.9 5.6/ 94 88.2 15.4 268/0.79 157 .33 27 05 42.05 +22 06.4 05 45.06 +22 07.6 3.552 3.807 +0.23 - 0.5 17.9 3.2/ 99 97.0 15.2 269/0.80 79 1.00 Oct. 7 05 44.32 +22 01.5 05 47.33 +22 02.5 3.435 3.837 +0.03 - 0.6 17.9 0.8/141 106.3 14.5 269/0.79 61 .15 17 05 44.67 +21 55.6 05 47.68 +21 56.6 3.324 3.868 -0.16 - 0.7 17.8 2.4/254 116.1 13.4 269/0.75 170 .34 27 05 43.03 +21 48.9 05 46.04 +21 50.0 3.225 3.898 -0.36 - 0.7 17.8 5.0/262 126.4 11.8 270/0.69 43 .99 Nov. 6 05 39.45 +21 41.4 05 42.45 +21 42.8 3.141 3.928 -0.54 - 0.8 17.7 7.5/264 137.3 9.9 270/0.59 99 .11 16 05 34.10 +21 33.0 05 37.10 +21 34.8 3.079 3.957 -0.68 - 0.9 17.7 9.5/265 148.5 7.5 271/0.46 138 .36 26 05 27.33 +21 23.5 05 30.33 +21 25.8 3.043 3.986 -0.77 - 1.0 17.7 10.8/265 160.2 4.8 272/0.30 6 .97 Dec. 6 05 19.67 +21 13.1 05 22.66 +21 16.0 3.036 4.014 -0.79 - 1.0 17.7 11.2/265 172.0 2.0 280/0.12 138 .09 16 05 11.74 +21 02.3 05 14.72 +21 05.6 3.061 4.042 -0.75 - 1.0 17.8 10.6/265 175.4 1.1 60/0.07 100 .38 26 05 04.20 +20 51.7 05 07.17 +20 55.6 3.117 4.070 -0.66 - 0.9 17.8 9.3/265 163.7 3.9 78/0.23 44 .94 2027 Jan. 5 04 57.63 +20 42.4 05 00.60 +20 46.8 3.203 4.097 -0.51 - 0.7 17.9 7.2/265 152.0 6.5 80/0.38 173 .07 15 04 52.50 +20 35.4 04 55.47 +20 40.2 3.316 4.124 -0.34 - 0.4 18.0 4.8/266 140.7 8.7 81/0.49 61 .41 25 04 49.09 +20 31.6 04 52.05 +20 36.6 3.452 4.151 -0.16 0.0 18.1 2.2/269 129.7 10.5 82/0.57 85 .91 Feb. 4 04 47.50 +20 31.1 04 50.46 +20 36.2 3.607 4.177 +0.02 + 0.3 18.3 0.4/ 47 119.2 11.9 82/0.62 148 .06 14 04 47.72 +20 34.1 04 50.68 +20 39.2 3.774 4.203 +0.19 + 0.6 18.4 2.8/ 78 109.1 12.8 83/0.64 24 .46 24 04 49.67 +20 40.1 04 52.63 +20 45.0 3.950 4.228 +0.35 + 0.8 18.5 5.0/ 80 99.5 13.3 83/0.64 120 .88 Mar. 6 04 53.17 +20 48.4 04 56.14 +20 53.1 4.130 4.253 +0.49 + 1.0 18.6 6.9/ 82 90.3 13.5 84/0.62 117 .05