12P/Pons-Brooks Orbit by S. Nakano CBET 4805 (2020) Last obs. 2020 06 17 (G37)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Apr. 21.09264 0.7815240 0.9544833 71.1 198.97991 255.82179 74.17211 0.200 2022 Aug. 9.0 m1 = 4.0 + 5 log Delta + 12.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Jan. 1 18 12.20 +19 21.1 18 14.38 +19 22.1 9.192 8.500 +0.49 + 1.7 20.0 7.1/ 76 43.0 4.5 351/0.10 47 .05 11 18 17.06 +19 37.7 18 19.23 +19 39.0 9.101 8.432 +0.47 + 2.4 19.9 7.1/ 70 44.8 4.7 338/0.10 112 .62 21 18 21.82 +20 01.8 18 23.98 +20 03.5 8.991 8.364 +0.46 + 3.2 19.8 7.1/ 63 47.9 5.0 326/0.11 109 .91 31 18 26.38 +20 33.2 18 28.53 +20 35.2 8.865 8.295 +0.42 + 3.9 19.8 7.1/ 57 52.0 5.4 315/0.12 50 .02 Feb. 10 18 30.64 +21 11.9 18 32.77 +21 14.2 8.723 8.226 +0.38 + 4.6 19.7 7.0/ 49 56.9 5.8 305/0.13 126 .63 20 18 34.49 +21 57.4 18 36.61 +22 00.0 8.568 8.156 +0.33 + 5.2 19.6 7.0/ 41 62.4 6.2 297/0.14 88 .88 Mar. 2 18 37.84 +22 49.3 18 39.94 +22 52.1 8.402 8.087 +0.27 + 5.8 19.5 6.9/ 33 68.2 6.5 289/0.15 66 .01 12 18 40.56 +23 46.9 18 42.64 +23 49.9 8.227 8.016 +0.20 + 6.3 19.4 6.8/ 23 74.3 6.9 281/0.16 129 .64 22 18 42.56 +24 49.3 18 44.62 +24 52.4 8.048 7.946 +0.12 + 6.6 19.3 6.8/ 13 80.6 7.1 274/0.17 68 .84 Apr. 1 18 43.75 +25 55.4 18 45.78 +25 58.7 7.866 7.875 +0.03 + 6.9 19.2 6.9/ 3 86.9 7.3 267/0.18 87 .00 11 18 44.03 +27 04.0 18 46.04 +27 07.3 7.685 7.803 -0.07 + 6.9 19.1 7.0/352 93.1 7.4 259/0.19 121 .66 21 18 43.34 +28 13.4 18 45.31 +28 16.6 7.509 7.732 -0.18 + 6.8 19.0 7.2/341 99.1 7.4 251/0.19 56 .77 May 1 18 41.61 +29 21.8 18 43.56 +29 24.9 7.340 7.660 -0.28 + 6.5 18.9 7.5/331 104.8 7.3 243/0.19 107 .00 11 18 38.84 +30 27.2 18 40.75 +30 30.0 7.181 7.587 -0.38 + 6.0 18.8 7.7/321 110.1 7.2 234/0.19 104 .69 21 18 35.05 +31 27.2 18 36.93 +31 29.8 7.035 7.514 -0.48 + 5.2 18.7 8.0/311 114.7 7.0 223/0.19 63 .70 31 18 30.31 +32 19.8 18 32.17 +32 22.0 6.904 7.441 -0.56 + 4.2 18.7 8.2/302 118.5 6.9 212/0.19 118 .00 June 10 18 24.76 +33 02.6 18 26.61 +33 04.5 6.790 7.367 -0.62 + 3.1 18.6 8.3/292 121.2 6.8 200/0.19 83 .74 20 18 18.62 +33 34.1 18 20.44 +33 35.5 6.695 7.293 -0.65 + 1.8 18.5 8.3/283 122.6 6.7 187/0.20 81 .62 30 18 12.11 +33 52.8 18 13.92 +33 53.7 6.618 7.218 -0.66 + 0.5 18.4 8.2/274 122.7 6.8 174/0.20 118 .01 July 10 18 05.52 +33 58.0 18 07.34 +33 58.5 6.560 7.143 -0.63 - 0.9 18.3 8.0/264 121.4 7.0 161/0.21 65 .80 20 17 59.17 +33 49.9 18 00.99 +33 49.9 6.520 7.067 -0.58 - 2.1 18.3 7.6/254 118.9 7.2 149/0.21 103 .56 30 17 53.33 +33 29.2 17 55.15 +33 28.8 6.496 6.991 -0.51 - 3.2 18.2 7.1/243 115.3 7.5 137/0.22 105 .02 Aug. 9 17 48.24 +32 57.3 17 50.09 +32 56.5 6.487 6.915 -0.41 - 4.1 18.1 6.6/232 110.9 7.9 127/0.23 60 .86 19 17 44.12 +32 16.2 17 45.98 +32 15.1 6.491 6.838 -0.30 - 4.8 18.1 6.2/219 105.9 8.2 117/0.24 118 .52 29 17 41.08 +31 28.1 17 42.96 +31 26.8 6.504 6.760 -0.18 - 5.3 18.0 5.8/204 100.5 8.4 108/0.25 86 .03 Sept. 8 17 39.21 +30 35.4 17 41.12 +30 33.9 6.523 6.682 -0.07 - 5.5 18.0 5.6/189 94.7 8.6 100/0.26 72 .92 18 17 38.53 +29 40.3 17 40.46 +29 38.8 6.546 6.604 +0.05 - 5.5 17.9 5.6/173 88.9 8.8 92/0.26 124 .49 28 17 39.02 +28 45.0 17 40.98 +28 43.5 6.570 6.525 +0.16 - 5.3 17.9 5.8/158 83.1 8.8 84/0.26 67 .05 Oct. 8 17 40.65 +27 51.5 17 42.62 +27 50.2 6.591 6.445 +0.27 - 5.0 17.8 6.1/144 77.3 8.7 77/0.26 91 .96 18 17 43.32 +27 01.7 17 45.32 +27 00.5 6.606 6.365 +0.37 - 4.5 17.7 6.6/132 71.7 8.6 69/0.25 118 .47 28 17 46.97 +26 16.9 17 48.98 +26 16.0 6.615 6.284 +0.45 - 3.8 17.7 7.2/122 66.5 8.3 61/0.24 54 .08 Nov. 7 17 51.49 +25 38.6 17 53.52 +25 38.0 6.613 6.203 +0.53 - 3.0 17.6 7.8/113 61.6 8.1 53/0.24 110 .98 17 17 56.77 +25 07.8 17 58.81 +25 07.7 6.599 6.121 +0.60 - 2.2 17.5 8.4/105 57.3 7.8 44/0.23 106 .46 27 18 02.73 +24 45.6 18 04.78 +24 45.9 6.571 6.039 +0.65 - 1.2 17.5 9.0/ 98 53.7 7.6 34/0.22 54 .13 Dec. 7 18 09.25 +24 32.9 18 11.31 +24 33.6 6.530 5.956 +0.70 - 0.2 17.4 9.5/ 91 50.8 7.4 24/0.22 123 .99 17 18 16.23 +24 30.1 18 18.28 +24 31.3 6.472 5.872 +0.73 + 0.8 17.3 10.0/ 85 48.9 7.3 13/0.22 90 .44 27 18 23.55 +24 38.0 18 25.60 +24 39.8 6.400 5.788 +0.76 + 2.0 17.2 10.5/ 79 48.0 7.3 2/0.22 67 .18 2023 Jan. 6 18 31.11 +24 57.0 18 33.16 +24 59.3 6.311 5.703 +0.77 + 3.1 17.1 10.9/ 73 48.2 7.4 350/0.23 128 .99 16 18 38.81 +25 27.4 18 40.84 +25 30.3 6.208 5.618 +0.77 + 4.3 17.0 11.2/ 67 49.4 7.6 339/0.24 75 .41 26 18 46.52 +26 09.6 18 48.55 +26 13.0 6.090 5.531 +0.76 + 5.5 16.8 11.6/ 61 51.5 8.0 329/0.25 83 .23 Feb. 5 18 54.13 +27 03.7 18 56.14 +27 07.7 5.959 5.444 +0.74 + 6.7 16.7 11.8/ 55 54.4 8.5 319/0.27 123 .99 15 19 01.53 +28 09.7 19 03.52 +28 14.2 5.816 5.357 +0.70 + 7.8 16.6 12.1/ 49 57.9 9.0 310/0.30 63 .36 25 19 08.59 +29 27.7 19 10.55 +29 32.7 5.663 5.268 +0.65 + 9.0 16.4 12.4/ 43 61.8 9.5 301/0.32 98 .27 Mar. 7 19 15.16 +30 57.4 19 17.09 +31 02.9 5.502 5.179 +0.59 +10.1 16.3 12.6/ 36 66.1 10.1 293/0.35 113 1.00 17 19 21.09 +32 38.4 19 22.99 +32 44.2 5.335 5.089 +0.51 +11.2 16.1 12.9/ 29 70.5 10.6 285/0.38 60 .29 27 19 26.23 +34 30.0 19 28.08 +34 36.2 5.164 4.999 +0.41 +12.2 16.0 13.1/ 22 75.0 11.1 278/0.41 108 .30 Apr. 6 19 30.37 +36 31.4 19 32.17 +36 37.9 4.991 4.907 +0.29 +13.0 15.8 13.4/ 15 79.4 11.6 270/0.44 100 1.00 16 19 33.31 +38 41.2 19 35.05 +38 47.9 4.820 4.814 +0.14 +13.7 15.6 13.8/ 7 83.7 12.0 262/0.47 66 .22 26 19 34.79 +40 57.7 19 36.46 +41 04.5 4.652 4.721 -0.03 +14.1 15.4 14.1/359 87.8 12.3 254/0.50 111 .32 May 6 19 34.54 +43 18.3 19 36.14 +43 25.0 4.488 4.627 -0.24 +14.1 15.2 14.4/350 91.6 12.6 245/0.53 88 1.00 16 19 32.27 +45 39.9 19 33.78 +45 46.5 4.332 4.532 -0.47 +13.8 15.1 14.6/341 94.9 12.8 236/0.56 79 .15