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. 9.69891 1.9948848 0.4447825 6.81 69.36988 358.17255 1.33911 0.200 2025 May 5.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 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 69/0.50 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 68/0.30 179 .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 68/0.20 63 .19 Mar. 6 23 21.01 -04 18.9 23 23.59 -04 02.4 3.584 2.597 -0.64 - 4.3 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 0.3 241/0.01 160 .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 2.3 246/0.13 41 .16 Apr. 5 00 12.52 +01 23.0 00 15.08 +01 39.6 3.443 2.468 -0.73 - 5.0 19.6 29.3/ 66 11.0 4.4 247/0.24 100 .49 15 00 30.37 +03 21.4 00 32.94 +03 37.9 3.376 2.427 -0.76 - 5.2 19.5 29.7/ 66 15.9 6.5 247/0.36 142 .96 25 00 48.59 +05 20.6 00 51.18 +05 36.9 3.301 2.387 -0.80 - 5.4 19.4 30.2/ 67 20.7 8.6 248/0.49 19 .11 May 5 01 07.20 +07 19.7 01 09.81 +07 35.6 3.218 2.347 -0.84 - 5.5 19.2 30.6/ 67 25.4 10.6 248/0.62 120 .54 15 01 26.21 +09 17.5 01 28.85 +09 33.0 3.129 2.309 -0.89 - 5.6 19.1 30.9/ 68 30.0 12.6 249/0.75 124 .95 25 01 45.66 +11 13.2 01 48.32 +11 28.1 3.034 2.273 -0.95 - 5.7 19.0 31.2/ 69 34.5 14.6 250/0.90 5 .07 June 4 02 05.54 +13 05.3 02 08.24 +13 19.5 2.935 2.237 -1.00 - 5.7 18.8 31.5/ 70 38.9 16.5 251/1.04 138 .58 14 02 25.87 +14 52.8 02 28.61 +15 06.2 2.832 2.204 -1.07 - 5.6 18.7 31.7/ 71 43.2 18.4 252/1.20 106 .93 24 02 46.64 +16 34.5 02 49.43 +16 47.0 2.727 2.172 -1.13 - 5.5 18.5 31.8/ 72 47.4 20.2 253/1.35 28 .03 July 4 03 07.82 +18 09.1 03 10.65 +18 20.4 2.619 2.143 -1.21 - 5.2 18.4 31.7/ 74 51.7 21.9 255/1.52 155 .61 14 03 29.34 +19 35.4 03 32.22 +19 45.5 2.510 2.116 -1.28 - 4.9 18.3 31.6/ 75 55.9 23.5 257/1.69 86 .89 24 03 51.14 +20 52.3 03 54.06 +21 01.1 2.400 2.091 -1.36 - 4.5 18.1 31.3/ 77 60.2 24.9 258/1.87 50 .01 Aug. 3 04 13.08 +21 58.9 04 16.05 +22 06.3 2.290 2.068 -1.45 - 4.1 18.0 30.9/ 79 64.5 26.3 260/2.05 170 .64 13 04 35.01 +22 54.5 04 38.01 +23 00.5 2.181 2.049 -1.53 - 3.5 17.8 30.3/ 81 69.0 27.5 262/2.24 64 .84 23 04 56.73 +23 38.8 04 59.76 +23 43.3 2.072 2.032 -1.62 - 2.8 17.7 29.3/ 83 73.5 28.5 264/2.43 70 .00 Sept. 2 05 17.98 +24 11.9 05 21.04 +24 14.8 1.964 2.018 -1.71 - 2.1 17.5 28.1/ 85 78.3 29.3 266/2.62 171 .66 12 05 38.49 +24 34.3 05 41.56 +24 35.8 1.858 2.007 -1.81 - 1.2 17.4 26.5/ 87 83.3 29.9 268/2.81 39 .77 22 05 57.93 +24 47.2 06 01.01 +24 47.2 1.753 2.000 -1.91 - 0.4 17.2 24.5/ 88 88.7 30.1 270/2.98 91 .00 Oct. 2 06 15.92 +24 52.1 06 19.00 +24 50.9 1.652 1.996 -2.01 + 0.5 17.1 22.0/ 90 94.4 30.0 272/3.14 152 .70 12 06 32.06 +24 51.4 06 35.13 +24 49.0 1.554 1.995 -2.13 + 1.4 17.0 18.9/ 91 100.6 29.5 273/3.26 13 .69 22 06 45.91 +24 47.5 06 48.98 +24 44.1 1.460 1.997 -2.27 + 2.3 16.8 15.1/ 91 107.4 28.4 274/3.33 113 .00 Nov. 1 06 56.98 +24 43.2 07 00.04 +24 39.0 1.372 2.003 -2.42 + 3.1 16.7 10.7/ 91 114.8 26.7 275/3.32 127 .73 11 07 04.85 +24 41.1 07 07.90 +24 36.3 1.293 2.012 -2.59 + 3.8 16.6 5.8/ 88 123.1 24.4 275/3.21 18 .63 21 07 09.10 +24 43.1 07 12.15 +24 38.0 1.224 2.024 -2.78 + 4.3 16.5 0.9/ 41 132.2 21.2 275/2.94 140 .01 Dec. 1 07 09.54 +24 49.9 07 12.59 +24 44.8 1.169 2.039 -2.96 + 4.6 16.4 4.5/284 142.2 17.3 274/2.51 93 .78 11 07 06.35 +25 00.5 07 09.41 +24 55.6 1.131 2.057 -3.11 + 4.4 16.4 8.5/279 153.0 12.5 272/1.88 53 .59 21 07 00.18 +25 12.1 07 03.25 +25 07.7 1.113 2.078 -3.20 + 4.0 16.4 10.7/276 164.5 7.3 267/1.11 175 .01 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 1.9 240/0.30 51 .84 2026 Jan. 10 06 44.29 +25 25.8 06 47.37 +25 22.5 1.151 2.128 -3.10 + 2.5 16.6 8.9/270 171.0 4.1 110/0.60 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 9.2 100/1.29 146 .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 97/1.81 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 96/2.14 126 .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 95/2.32 110 .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 95/2.36 29 .93