398P/Boattini Orbit by S. Nakano CBET 4829 (2020) Last obs. 2021 05 09 (Q11)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 July 7.92979 1.3004999 0.5837689 5.52 320.27835 127.40656 11.02742 0.200 2025 May 5.0 m1 = 15.0 + 5 log Delta + 10.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Variation Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , for T=+1 day m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 19 33.50 -19 59.6 19 36.43 -19 52.9 5.134 4.212 -0.26 + 0.1 24.8 15.1/ 84 18.3 4.2 76/0.16 75 .23 2025 Jan. 5 19 44.12 -19 42.8 19 47.04 -19 35.3 5.140 4.178 -0.27 + 0.1 24.8 15.5/ 83 10.7 2.5 71/0.09 54 .28 15 19 54.97 -19 22.3 19 57.88 -19 14.2 5.124 4.143 -0.28 0.0 24.7 15.7/ 81 3.3 0.8 53/0.03 169 .99 25 20 05.95 -18 58.5 20 08.84 -18 49.7 5.087 4.107 -0.29 - 0.1 24.7 15.9/ 80 4.8 1.1 273/0.04 51 .22 Feb. 4 20 16.97 -18 31.7 20 19.84 -18 22.2 5.028 4.070 -0.30 - 0.2 24.6 15.9/ 80 12.2 2.9 262/0.11 85 .35 14 20 27.93 -18 02.3 20 30.78 -17 52.2 4.949 4.032 -0.31 - 0.3 24.5 15.8/ 79 19.6 4.7 259/0.18 144 .98 24 20 38.74 -17 30.8 20 41.57 -17 20.1 4.849 3.993 -0.32 - 0.3 24.4 15.5/ 78 27.1 6.5 257/0.26 26 .19 Mar. 6 20 49.31 -16 57.9 20 52.12 -16 46.6 4.731 3.954 -0.34 - 0.4 24.3 15.1/ 77 34.5 8.2 255/0.33 115 .42 16 20 59.56 -16 24.3 21 02.35 -16 12.4 4.596 3.913 -0.35 - 0.5 24.2 14.6/ 77 42.0 9.8 254/0.41 119 .97 26 21 09.39 -15 50.7 21 12.16 -15 38.3 4.445 3.872 -0.37 - 0.7 24.1 13.9/ 76 49.5 11.3 253/0.48 5 .16 Apr. 5 21 18.71 -15 18.0 21 21.46 -15 05.2 4.280 3.830 -0.39 - 0.8 24.0 13.0/ 76 57.1 12.7 252/0.56 146 .49 15 21 27.40 -14 47.4 21 30.14 -14 34.2 4.104 3.787 -0.42 - 0.9 23.8 11.9/ 77 64.7 13.9 252/0.64 94 .96 25 21 35.37 -14 19.9 21 38.10 -14 06.3 3.919 3.742 -0.44 - 1.0 23.7 10.6/ 77 72.5 14.9 251/0.71 33 .11 May 5 21 42.47 -13 56.7 21 45.18 -13 42.8 3.728 3.697 -0.47 - 1.2 23.5 9.0/ 79 80.5 15.6 251/0.79 175 .54 15 21 48.55 -13 39.2 21 51.26 -13 25.2 3.532 3.651 -0.51 - 1.3 23.4 7.2/ 82 88.7 16.1 250/0.85 66 .95 25 21 53.46 -13 28.9 21 56.16 -13 14.7 3.336 3.604 -0.54 - 1.4 23.2 5.2/ 88 97.1 16.2 250/0.91 67 .07 June 4 21 56.99 -13 27.4 21 59.68 -13 13.0 3.142 3.556 -0.58 - 1.6 23.0 3.0/107 105.9 15.9 250/0.94 155 .58 14 21 58.95 -13 36.2 22 01.65 -13 21.7 2.954 3.507 -0.62 - 1.7 22.8 2.1/171 115.0 15.2 250/0.95 34 .93 24 21 59.16 -13 56.5 22 01.86 -13 42.0 2.777 3.457 -0.67 - 1.8 22.6 4.1/217 124.7 14.0 251/0.93 105 .03 July 4 21 57.43 -14 29.3 22 00.13 -14 14.9 2.613 3.406 -0.72 - 1.9 22.4 7.1/230 134.8 12.2 252/0.86 122 .61 14 21 53.66 -15 14.6 21 56.38 -15 00.3 2.468 3.354 -0.76 - 1.9 22.2 10.1/235 145.4 9.9 253/0.74 4 .89 24 21 47.89 -16 11.3 21 50.63 -15 57.2 2.345 3.301 -0.79 - 1.8 22.0 12.7/239 156.5 7.1 257/0.55 146 .01 Aug. 3 21 40.33 -17 16.6 21 43.09 -17 02.8 2.248 3.247 -0.82 - 1.7 21.9 14.4/241 167.8 3.8 266/0.31 85 .64 13 21 31.46 -18 26.1 21 34.24 -18 12.7 2.180 3.192 -0.83 - 1.4 21.7 15.1/242 176.4 1.1 345/0.10 48 .84 23 21 21.97 -19 34.7 21 24.78 -19 21.8 2.142 3.136 -0.82 - 1.1 21.6 14.5/244 167.1 4.1 54/0.35 171 .00 Sept. 2 21 12.72 -20 37.2 21 15.55 -20 24.7 2.133 3.079 -0.80 - 0.7 21.5 12.5/245 155.3 7.9 63/0.67 46 .66 12 21 04.59 -21 29.4 21 07.45 -21 17.2 2.151 3.021 -0.77 - 0.4 21.5 9.6/245 143.6 11.4 67/0.97 94 .77 22 20 58.32 -22 08.9 21 01.20 -21 57.1 2.191 2.962 -0.73 - 0.1 21.4 6.0/244 132.3 14.5 69/1.20 130 .00 Oct. 2 20 54.43 -22 34.8 20 57.33 -22 23.2 2.249 2.901 -0.69 + 0.1 21.4 2.1/234 121.6 17.1 71/1.38 9 .70 12 20 53.18 -22 47.4 20 56.08 -22 35.9 2.319 2.840 -0.66 + 0.2 21.4 2.0/ 91 111.4 19.1 72/1.50 136 .69 22 20 54.60 -22 47.7 20 57.50 -22 36.1 2.397 2.778 -0.63 + 0.2 21.3 5.7/ 78 101.9 20.5 73/1.56 96 .00 Nov. 1 20 58.60 -22 36.3 21 01.49 -22 24.5 2.477 2.715 -0.61 + 0.2 21.3 9.1/ 76 92.9 21.4 73/1.57 25 .73 11 21 04.98 -22 14.1 21 07.85 -22 02.0 2.557 2.651 -0.60 0.0 21.3 12.3/ 75 84.4 21.8 74/1.55 170 .63 21 21 13.49 -21 41.6 21 16.34 -21 29.1 2.632 2.585 -0.60 - 0.1 21.2 15.2/ 74 76.4 21.8 74/1.51 68 .01 Dec. 1 21 23.91 -20 59.0 21 26.74 -20 46.0 2.701 2.519 -0.60 - 0.3 21.2 17.8/ 73 68.9 21.4 74/1.45 56 .78 11 21 36.00 -20 06.6 21 38.80 -19 53.0 2.760 2.453 -0.61 - 0.6 21.1 20.2/ 72 61.8 20.7 74/1.38 161 .59 21 21 49.57 -19 04.3 21 52.34 -18 50.2 2.809 2.385 -0.63 - 0.9 21.0 22.4/ 72 55.0 19.8 74/1.29 44 .01 31 22 04.46 -17 52.3 22 07.19 -17 37.6 2.846 2.317 -0.65 - 1.3 20.9 24.4/ 71 48.6 18.6 74/1.21 84 .84 2026 Jan. 10 22 20.51 -16 30.5 22 23.20 -16 15.3 2.871 2.248 -0.68 - 1.7 20.8 26.3/ 70 42.6 17.2 75/1.11 139 .56 20 22 37.62 -14 59.0 22 40.29 -14 43.4 2.883 2.178 -0.71 - 2.1 20.7 28.2/ 69 36.9 15.7 76/1.01 23 .01 30 22 55.73 -13 18.1 22 58.37 -13 02.0 2.883 2.108 -0.75 - 2.6 20.5 30.0/ 69 31.6 14.2 77/0.91 110 .89 Feb. 9 23 14.79 -11 27.9 23 17.39 -11 11.5 2.872 2.038 -0.79 - 3.1 20.4 31.8/ 68 26.6 12.5 79/0.81 121 .55 19 23 34.78 -09 28.8 23 37.36 -09 12.2 2.850 1.968 -0.84 - 3.7 20.2 33.6/ 68 22.0 10.9 82/0.71 8 .03 Mar. 1 23 55.73 -07 21.2 23 58.29 -07 04.5 2.817 1.899 -0.90 - 4.3 20.0 35.4/ 68 17.9 9.2 86/0.61 132 .93