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. 9.60810 1.9942816 0.4452591 6.82 69.42952 358.06651 1.33877 0.200 2026 June 9.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 06 52.29 +25 21.5 06 55.36 +25 17.6 1.120 2.102 -3.20 + 3.3 16.5 10.9/273 175.9 1.9 239/0.29 51 .84 2026 Jan. 10 06 44.29 +25 25.8 06 47.37 +25 22.5 1.151 2.128 -3.11 + 2.5 16.6 8.9/270 171.0 4.1 110/0.61 91 .56 20 06 37.69 +25 24.5 06 40.77 +25 21.6 1.207 2.156 -2.93 + 1.9 16.7 5.5/264 159.5 9.2 100/1.30 146 .01 30 06 33.67 +25 18.2 06 36.76 +25 15.6 1.285 2.187 -2.71 + 1.6 16.9 1.5/230 148.5 13.6 97/1.82 8 .89 Feb. 9 06 32.81 +25 08.3 06 35.88 +25 05.8 1.384 2.219 -2.48 + 1.4 17.2 3.4/112 138.2 17.2 96/2.16 126 .55 19 06 35.14 +24 55.7 06 38.21 +24 53.1 1.500 2.254 -2.25 + 1.5 17.4 7.4/102 128.7 20.0 95/2.33 110 .03 Mar. 1 06 40.46 +24 40.8 06 43.53 +24 37.8 1.629 2.289 -2.04 + 1.7 17.7 10.9/ 99 119.8 22.0 95/2.37 29 .93 11 06 48.34 +24 23.1 06 51.40 +24 19.5 1.770 2.327 -1.85 + 2.0 17.9 13.8/ 99 111.6 23.4 96/2.33 154 .54 21 06 58.34 +24 01.9 07 01.38 +23 57.6 1.918 2.366 -1.68 + 2.2 18.2 16.3/ 99 104.0 24.1 96/2.23 78 .05 31 07 10.03 +23 36.4 07 13.06 +23 31.3 2.073 2.405 -1.53 + 2.5 18.4 18.2/ 99 96.8 24.4 97/2.09 59 .95 Apr. 10 07 23.03 +23 06.0 07 26.03 +23 00.0 2.233 2.446 -1.40 + 2.8 18.6 19.7/100 90.0 24.2 98/1.94 176 .52 20 07 37.01 +22 30.1 07 39.99 +22 23.1 2.394 2.488 -1.28 + 3.0 18.9 20.8/101 83.4 23.6 100/1.78 49 .09 30 07 51.70 +21 48.3 07 54.65 +21 40.3 2.556 2.530 -1.17 + 3.2 19.1 21.7/102 77.2 22.8 101/1.62 83 .97 May 10 08 06.87 +21 00.6 08 09.79 +20 51.7 2.717 2.574 -1.08 + 3.4 19.3 22.4/103 71.1 21.8 102/1.47 160 .49 20 08 22.34 +20 07.0 08 25.23 +19 57.2 2.876 2.617 -1.00 + 3.5 19.5 22.9/105 65.2 20.5 103/1.31 21 .15 30 08 37.97 +19 07.8 08 40.83 +18 57.1 3.031 2.661 -0.92 + 3.6 19.7 23.2/106 59.4 19.1 105/1.17 106 .98 June 9 08 53.64 +18 03.3 08 56.47 +17 51.7 3.181 2.706 -0.85 + 3.6 19.8 23.4/107 53.7 17.6 106/1.03 137 .44 19 09 09.27 +16 54.0 09 12.06 +16 41.6 3.325 2.751 -0.79 + 3.7 20.0 23.5/108 48.0 15.9 107/0.89 6 .20 29 09 24.79 +15 40.3 09 27.54 +15 27.2 3.461 2.796 -0.74 + 3.7 20.2 23.5/109 42.4 14.2 108/0.77 127 .99 July 9 09 40.13 +14 22.9 09 42.86 +14 09.1 3.589 2.841 -0.69 + 3.6 20.3 23.5/110 36.8 12.4 109/0.65 111 .37 19 09 55.28 +13 02.2 09 57.98 +12 47.9 3.707 2.886 -0.65 + 3.6 20.4 23.4/111 31.2 10.5 109/0.54 30 .26 29 10 10.20 +11 39.0 10 12.86 +11 24.1 3.814 2.931 -0.61 + 3.6 20.6 23.2/111 25.5 8.6 110/0.43 148 1.00 Aug. 8 10 24.85 +10 13.8 10 27.49 +09 58.5 3.910 2.976 -0.57 + 3.5 20.7 23.0/112 19.8 6.6 111/0.32 85 .29 18 10 39.24 +08 47.2 10 41.86 +08 31.5 3.993 3.021 -0.54 + 3.4 20.8 22.7/112 14.0 4.7 111/0.22 52 .30 28 10 53.33 +07 19.9 10 55.94 +07 03.9 4.062 3.066 -0.51 + 3.3 20.9 22.3/113 8.2 2.7 111/0.13 170 1.00 Sept. 7 11 07.12 +05 52.4 11 09.71 +05 36.2 4.117 3.110 -0.49 + 3.2 21.0 21.9/113 2.2 0.7 108/0.03 57 .21 17 11 20.58 +04 25.5 11 23.16 +04 09.0 4.157 3.155 -0.47 + 3.2 21.1 21.4/114 3.9 1.2 296/0.06 73 .33 27 11 33.69 +02 59.6 11 36.26 +02 43.0 4.181 3.199 -0.45 + 3.1 21.2 20.8/114 10.1 3.1 294/0.14 166 1.00 Oct. 7 11 46.41 +01 35.6 11 48.98 +01 18.9 4.189 3.243 -0.43 + 3.0 21.2 20.2/114 16.4 5.0 294/0.23 29 .15 17 11 58.72 +00 13.9 12 01.28 -00 02.8 4.181 3.286 -0.42 + 2.9 21.3 19.4/114 23.0 6.8 294/0.31 95 .34 27 12 10.54 -01 04.7 12 13.10 -01 21.4 4.156 3.329 -0.41 + 2.8 21.3 18.5/114 29.7 8.5 293/0.39 139 .99 Nov. 6 12 21.82 -02 19.6 12 24.39 -02 36.2 4.116 3.372 -0.40 + 2.8 21.4 17.5/114 36.6 10.1 293/0.46 4 .11 16 12 32.49 -03 30.1 12 35.06 -03 46.6 4.060 3.415 -0.39 + 2.7 21.4 16.3/114 43.7 11.5 293/0.54 117 .36 26 12 42.43 -04 35.5 12 45.01 -04 51.9 3.990 3.457 -0.39 + 2.6 21.4 14.9/114 51.1 12.8 293/0.60 109 .97 Dec. 6 12 51.55 -05 35.0 12 54.14 -05 51.3 3.906 3.498 -0.39 + 2.6 21.4 13.3/114 58.8 13.9 293/0.67 25 .09 16 12 59.71 -06 28.0 13 02.31 -06 44.1 3.811 3.539 -0.39 + 2.6 21.4 11.4/114 66.7 14.8 292/0.73 142 .38 26 13 06.76 -07 13.6 13 09.36 -07 29.6 3.707 3.580 -0.39 + 2.6 21.4 9.4/114 75.0 15.4 292/0.77 77 .94 2027 Jan. 5 13 12.54 -07 51.2 13 15.15 -08 07.1 3.596 3.621 -0.40 + 2.6 21.4 7.0/114 83.6 15.7 292/0.81 53 .07 15 13 16.88 -08 19.8 13 19.49 -08 35.6 3.481 3.660 -0.41 + 2.6 21.3 4.5/115 92.6 15.6 292/0.83 171 .41 25 13 19.61 -08 38.8 13 22.23 -08 54.5 3.367 3.700 -0.42 + 2.7 21.3 1.7/120 102.1 15.1 292/0.83 43 .91 Feb. 4 13 20.61 -08 47.6 13 23.23 -09 03.2 3.257 3.739 -0.44 + 2.8 21.3 1.2/279 111.9 14.2 292/0.80 83 .06 14 13 19.79 -08 45.5 13 22.41 -09 01.2 3.157 3.777 -0.46 + 2.9 21.3 4.1/288 122.3 12.8 292/0.75 152 .46 24 13 17.16 -08 32.7 13 19.78 -08 48.5 3.071 3.815 -0.48 + 3.1 21.3 6.8/290 133.0 10.9 292/0.66 8 .88 Mar. 6 13 12.86 -08 09.7 13 15.48 -08 25.6 3.004 3.852 -0.50 + 3.2 21.2 9.0/290 144.2 8.7 293/0.53 117 .05