198P/ODAS Orbit by S. Nakano NK 3912 (2019) Last obs. 2018 12 25 (160)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Oct. 9.63092 1.9959040 0.4447302 6.81 69.30501 358.18415 1.33902 0.200 2024 Mar. 31.0 m1 = 13.0 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2023 Dec. 22 19 03.03 -23 41.2 19 06.06 -23 36.5 5.276 4.337 -0.31 - 0.5 23.0 15.4/ 83 15.6 3.5 87/0.13 103 .74 2024 Jan. 1 19 14.17 -23 22.2 19 17.19 -23 16.8 5.279 4.307 -0.31 - 0.6 23.0 15.8/ 82 8.0 1.8 90/0.07 132 .78 11 19 25.50 -23 00.2 19 28.50 -22 54.0 5.260 4.277 -0.32 - 0.7 22.9 16.0/ 81 1.1 0.2 149/0.01 8 .01 21 19 36.91 -22 35.2 19 39.89 -22 28.3 5.220 4.246 -0.32 - 0.8 22.9 16.0/ 80 7.2 1.7 252/0.06 132 .79 31 19 48.28 -22 07.5 19 51.24 -21 59.8 5.160 4.214 -0.33 - 0.9 22.8 16.0/ 79 14.6 3.4 255/0.13 108 .77 Feb. 10 19 59.54 -21 37.2 20 02.48 -21 28.8 5.080 4.182 -0.34 - 1.0 22.7 15.8/ 78 22.1 5.1 256/0.19 23 .00 20 20 10.58 -21 04.9 20 13.50 -20 55.8 4.981 4.150 -0.35 - 1.2 22.7 15.4/ 78 29.6 6.8 256/0.26 159 .82 Mar. 1 20 21.30 -20 31.1 20 24.20 -20 21.4 4.864 4.117 -0.36 - 1.3 22.6 14.9/ 77 37.1 8.3 255/0.33 83 .75 11 20 31.62 -19 56.3 20 34.49 -19 46.0 4.731 4.083 -0.38 - 1.4 22.5 14.3/ 76 44.6 9.8 255/0.40 53 .01 21 20 41.42 -19 21.3 20 44.28 -19 10.4 4.583 4.049 -0.39 - 1.6 22.4 13.5/ 75 52.2 11.2 254/0.47 173 .84 31 20 50.62 -18 46.7 20 53.46 -18 35.3 4.423 4.015 -0.41 - 1.7 22.3 12.5/ 75 59.8 12.4 254/0.53 56 .72 Apr. 10 20 59.10 -18 13.6 21 01.91 -18 01.7 4.252 3.980 -0.43 - 1.9 22.1 11.3/ 74 67.6 13.5 253/0.60 85 .02 20 21 06.72 -17 42.8 21 09.53 -17 30.6 4.074 3.944 -0.45 - 2.1 22.0 9.9/ 74 75.5 14.3 253/0.66 148 .86 30 21 13.38 -17 15.3 21 16.16 -17 02.8 3.890 3.908 -0.47 - 2.2 21.9 8.3/ 74 83.6 14.8 252/0.72 26 .66 May 10 21 18.91 -16 52.2 21 21.68 -16 39.4 3.704 3.871 -0.50 - 2.4 21.7 6.3/ 74 91.9 15.1 252/0.77 117 .05 20 21 23.15 -16 34.7 21 25.92 -16 21.7 3.519 3.834 -0.53 - 2.6 21.6 4.2/ 75 100.5 15.0 252/0.80 120 .88 30 21 25.96 -16 23.7 21 28.73 -16 10.6 3.337 3.796 -0.56 - 2.8 21.4 1.8/ 78 109.4 14.6 252/0.82 10 .58 June 9 21 27.17 -16 20.2 21 29.93 -16 07.0 3.164 3.758 -0.60 - 3.0 21.3 0.9/239 118.7 13.7 252/0.81 149 .07 19 21 26.64 -16 24.8 21 29.40 -16 11.6 3.003 3.719 -0.63 - 3.2 21.1 3.6/249 128.4 12.4 253/0.77 89 .90 29 21 24.30 -16 37.5 21 27.06 -16 24.5 2.857 3.680 -0.67 - 3.3 20.9 6.3/251 138.5 10.5 253/0.69 50 .49 July 9 21 20.15 -16 58.1 21 22.93 -16 45.2 2.731 3.641 -0.70 - 3.4 20.8 8.7/252 149.1 8.3 254/0.56 175 .09 19 21 14.36 -17 24.9 21 17.15 -17 12.3 2.629 3.601 -0.73 - 3.4 20.7 10.6/253 160.0 5.5 256/0.39 51 .92 29 21 07.27 -17 55.8 21 10.07 -17 43.6 2.553 3.560 -0.74 - 3.4 20.6 11.7/254 171.3 2.5 262/0.18 93 .40 Aug. 8 20 59.37 -18 28.0 21 02.19 -18 16.1 2.506 3.519 -0.75 - 3.2 20.5 11.8/255 176.8 0.9 50/0.07 138 .11 18 20 51.33 -18 58.3 20 54.17 -18 46.8 2.489 3.478 -0.74 - 3.1 20.4 10.9/256 165.5 4.2 69/0.31 10 .95 28 20 43.88 -19 24.0 20 46.73 -19 13.0 2.499 3.436 -0.72 - 2.9 20.3 9.0/257 154.0 7.4 72/0.55 136 .33 Sept. 7 20 37.65 -19 43.3 20 40.52 -19 32.6 2.535 3.394 -0.70 - 2.7 20.3 6.4/259 142.9 10.3 74/0.75 100 .13 17 20 33.18 -19 54.9 20 36.06 -19 44.5 2.594 3.351 -0.67 - 2.5 20.3 3.4/264 132.1 12.9 75/0.92 32 .98 27 20 30.78 -19 58.6 20 33.66 -19 48.3 2.669 3.308 -0.64 - 2.4 20.3 0.5/329 121.7 14.9 75/1.03 173 .28 Oct. 7 20 30.61 -19 54.2 20 33.48 -19 44.0 2.758 3.265 -0.62 - 2.3 20.3 3.1/ 67 111.9 16.5 75/1.11 66 .15 17 20 32.65 -19 42.2 20 35.52 -19 31.8 2.855 3.221 -0.59 - 2.3 20.4 6.2/ 71 102.5 17.6 75/1.14 71 1.00 27 20 36.77 -19 22.5 20 39.64 -19 11.9 2.957 3.177 -0.57 - 2.3 20.4 9.0/ 73 93.6 18.2 75/1.14 153 .25 Nov. 6 20 42.83 -18 55.5 20 45.68 -18 44.5 3.059 3.133 -0.56 - 2.3 20.4 11.6/ 73 85.1 18.4 75/1.11 35 .18 16 20 50.61 -18 21.0 20 53.44 -18 09.6 3.158 3.089 -0.55 - 2.4 20.4 13.9/ 73 76.9 18.2 74/1.07 105 1.00 26 20 59.89 -17 39.2 21 02.70 -17 27.4 3.252 3.044 -0.54 - 2.5 20.4 16.0/ 72 69.2 17.6 74/1.01 127 .24 Dec. 6 21 10.49 -16 50.0 21 13.28 -16 37.6 3.338 2.999 -0.54 - 2.6 20.4 17.8/ 72 61.7 16.8 73/0.94 6 .23 16 21 22.22 -15 53.5 21 24.98 -15 40.5 3.415 2.954 -0.54 - 2.7 20.4 19.4/ 71 54.5 15.7 72/0.86 134 .99 26 21 34.90 -14 49.6 21 37.63 -14 36.1 3.481 2.909 -0.54 - 2.9 20.3 20.9/ 70 47.5 14.4 72/0.78 104 .23 2025 Jan. 5 21 48.40 -13 38.5 21 51.11 -13 24.4 3.535 2.864 -0.55 - 3.1 20.3 22.2/ 70 40.8 13.0 71/0.69 23 .28 15 22 02.59 -12 20.4 22 05.27 -12 05.8 3.576 2.819 -0.56 - 3.2 20.3 23.3/ 69 34.3 11.4 70/0.60 158 .99 25 22 17.37 -10 55.7 22 20.02 -10 40.6 3.604 2.774 -0.57 - 3.5 20.2 24.3/ 68 28.0 9.6 69/0.51 83 .22 Feb. 4 22 32.66 -09 24.7 22 35.29 -09 09.2 3.619 2.729 -0.58 - 3.7 20.2 25.3/ 68 21.9 7.8 69/0.41 51 .35 14 22 48.40 -07 47.9 22 51.00 -07 31.9 3.620 2.685 -0.60 - 3.9 20.1 26.1/ 67 16.0 5.8 68/0.31 179 .98 24 23 04.52 -06 05.7 23 07.11 -05 49.5 3.608 2.641 -0.62 - 4.1 20.0 26.9/ 67 10.3 3.8 68/0.21 63 .19 Mar. 6 23 21.01 -04 18.9 23 23.59 -04 02.4 3.584 2.597 -0.64 - 4.4 19.9 27.5/ 66 4.7 1.8 68/0.10 76 .42 16 23 37.84 -02 28.0 23 40.41 -02 11.4 3.548 2.553 -0.67 - 4.6 19.8 28.2/ 66 0.7 0.3 239/0.01 160 .97 26 23 55.01 -00 33.8 23 57.57 -00 17.1 3.501 2.510 -0.69 - 4.8 19.7 28.7/ 66 5.9 2.3 246/0.12 41 .16