49P/Arend-Rigaux Orbit by T. Kobayashi NK 4979 (2022) Observed in 1st half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Apr. 10.61190 1.4313488 0.5990548 6.75 332.93055 118.79112 19.05945 0.200 2025 May 5.0 m1 = 11.3 + 5 log Delta + 11.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 00 04.71 -21 30.0 00 07.26 -21 13.3 1.730 1.823 +1.47 +16.7 15.4 26.7/ 52 79.2 32.0 69/3.19 130 .23 2025 Jan. 5 00 19.47 -18 42.6 00 22.00 -18 26.0 1.762 1.763 +1.68 +18.2 15.2 30.2/ 54 73.8 32.4 71/3.17 20 .28 15 00 36.32 -15 40.7 00 38.83 -15 24.2 1.789 1.705 +1.87 +19.5 15.1 33.5/ 55 69.0 32.6 73/3.15 125 .99 25 00 55.04 -12 25.6 00 57.54 -12 09.4 1.812 1.651 +2.05 +20.6 15.0 36.6/ 56 64.7 32.6 75/3.11 116 .22 Feb. 4 01 15.52 -08 58.7 01 18.03 -08 43.0 1.832 1.601 +2.22 +21.6 14.9 39.4/ 57 60.8 32.5 76/3.07 22 .35 14 01 37.67 -05 22.5 01 40.19 -05 07.3 1.850 1.556 +2.38 +22.2 14.7 42.0/ 58 57.3 32.3 78/3.03 139 .98 24 02 01.42 -01 39.6 02 03.96 -01 25.2 1.867 1.517 +2.54 +22.5 14.6 44.2/ 59 54.2 31.9 79/2.97 104 .19 Mar. 6 02 26.77 +02 06.6 02 29.36 +02 19.9 1.884 1.485 +2.70 +22.4 14.6 46.1/ 61 51.4 31.5 81/2.91 35 .42 16 02 53.71 +05 51.4 02 56.35 +06 03.4 1.905 1.459 +2.86 +21.7 14.5 47.7/ 62 49.0 30.9 82/2.84 148 .97 26 03 22.21 +09 29.8 03 24.92 +09 40.3 1.929 1.442 +3.01 +20.5 14.5 48.8/ 64 46.8 30.3 84/2.75 93 .16 Apr. 5 03 52.26 +12 56.1 03 55.04 +13 04.9 1.958 1.433 +3.15 +18.6 14.5 49.4/ 67 44.7 29.4 85/2.64 46 .49 15 04 23.72 +16 04.4 04 26.57 +16 11.1 1.994 1.432 +3.28 +16.3 14.5 49.6/ 70 42.9 28.5 87/2.51 157 .96 25 04 56.41 +18 49.1 04 59.34 +18 53.6 2.038 1.440 +3.37 +13.4 14.6 49.4/ 73 41.1 27.3 88/2.37 81 .11 May 5 05 30.08 +21 05.7 05 33.07 +21 07.7 2.089 1.457 +3.43 +10.2 14.7 48.8/ 76 39.4 26.0 90/2.22 56 .54 15 06 04.32 +22 50.7 06 07.35 +22 50.2 2.147 1.481 +3.44 + 6.9 14.8 47.9/ 80 37.6 24.6 91/2.05 167 .95 25 06 38.72 +24 02.6 06 41.77 +23 59.7 2.213 1.513 +3.41 + 3.7 15.0 46.7/ 84 35.8 23.1 93/1.87 66 .07 June 4 07 12.81 +24 41.7 07 15.85 +24 36.3 2.285 1.551 +3.33 + 0.6 15.2 45.4/ 88 34.0 21.4 94/1.69 66 .58 14 07 46.15 +24 49.8 07 49.17 +24 42.3 2.363 1.595 +3.22 - 2.2 15.4 44.0/ 91 32.0 19.7 95/1.51 179 .93 24 08 18.40 +24 30.3 08 21.38 +24 20.7 2.446 1.645 +3.09 - 4.5 15.6 42.5/ 94 29.9 17.9 95/1.34 49 .03 July 4 08 49.33 +23 47.0 08 52.25 +23 35.7 2.533 1.698 +2.94 - 6.4 15.8 41.1/ 98 27.6 16.1 95/1.17 76 .61 14 09 18.77 +22 44.4 09 21.63 +22 31.6 2.621 1.755 +2.79 - 7.9 16.1 39.6/100 25.2 14.3 93/1.00 165 .89 24 09 46.70 +21 26.6 09 49.50 +21 12.6 2.711 1.816 +2.64 - 9.0 16.3 38.2/102 22.6 12.4 91/0.85 32 .01 Aug. 3 10 13.16 +19 57.7 10 15.90 +19 42.7 2.800 1.878 +2.50 - 9.7 16.5 36.8/104 19.9 10.6 87/0.71 89 .64 13 10 38.20 +18 21.2 10 40.88 +18 05.5 2.886 1.942 +2.37 -10.2 16.8 35.4/106 17.2 8.9 82/0.58 146 .84 23 11 01.94 +16 40.2 11 04.58 +16 24.0 2.970 2.008 +2.25 -10.3 17.0 34.1/107 14.7 7.3 73/0.46 16 .00 Sept. 2 11 24.50 +14 57.4 11 27.10 +14 40.8 3.048 2.074 +2.14 -10.3 17.2 32.9/108 12.5 6.0 59/0.37 103 .66 12 11 45.98 +13 15.0 11 48.55 +12 58.3 3.120 2.142 +2.05 -10.0 17.4 31.7/108 11.2 5.2 40/0.31 124 .77 22 12 06.49 +11 34.9 12 09.04 +11 18.2 3.185 2.210 +1.96 - 9.6 17.6 30.5/108 11.3 5.1 17/0.30 13 .00 Oct. 2 12 26.12 +09 58.7 12 28.65 +09 42.2 3.241 2.278 +1.88 - 9.1 17.8 29.3/108 13.2 5.8 357/0.33 119 .70 12 12 44.92 +08 28.0 12 47.45 +08 11.6 3.287 2.346 +1.80 - 8.4 18.0 28.1/107 16.3 6.9 341/0.39 101 .69 22 13 02.95 +07 03.7 13 05.48 +06 47.6 3.322 2.414 +1.73 - 7.6 18.1 26.9/106 20.4 8.3 330/0.47 27 .00 Nov. 1 13 20.24 +05 47.1 13 22.76 +05 31.4 3.345 2.482 +1.65 - 6.8 18.3 25.6/105 25.0 9.7 323/0.55 138 .73 11 13 36.78 +04 39.0 13 39.31 +04 23.8 3.356 2.549 +1.58 - 5.8 18.4 24.3/104 30.2 11.3 317/0.63 78 .63 21 13 52.56 +03 40.4 13 55.09 +03 25.7 3.354 2.616 +1.50 - 4.8 18.5 22.9/102 35.7 12.7 312/0.71 45 .01 Dec. 1 14 07.53 +02 52.0 14 10.07 +02 37.9 3.339 2.682 +1.41 - 3.7 18.6 21.5/100 41.6 14.1 308/0.79 156 .78 11 14 21.63 +02 14.4 14 24.16 +02 00.9 3.311 2.748 +1.31 - 2.6 18.7 19.9/ 97 47.8 15.4 304/0.87 56 .59 21 14 34.76 +01 48.2 14 37.30 +01 35.3 3.271 2.813 +1.20 - 1.4 18.8 18.1/ 94 54.3 16.5 301/0.94 65 .01 31 14 46.80 +01 34.0 14 49.34 +01 21.6 3.220 2.877 +1.08 - 0.2 18.9 16.2/ 91 61.2 17.4 297/1.00 155 .84 2026 Jan. 10 14 57.62 +01 32.0 15 00.16 +01 20.1 3.158 2.941 +0.94 + 1.1 19.0 14.2/ 86 68.3 18.1 294/1.06 36 .56 20 15 07.06 +01 42.3 15 09.60 +01 30.9 3.088 3.004 +0.79 + 2.3 19.0 12.0/ 79 75.9 18.5 291/1.11 89 .01 30 15 14.94 +02 04.9 15 17.47 +01 54.0 3.013 3.066 +0.61 + 3.5 19.0 9.8/ 69 83.7 18.6 288/1.14 130 .89 Feb. 9 15 21.07 +02 39.4 15 23.59 +02 28.8 2.934 3.127 +0.42 + 4.6 19.1 7.8/ 54 92.0 18.4 285/1.16 25 .55 19 15 25.27 +03 24.8 15 27.78 +03 14.5 2.855 3.188 +0.21 + 5.5 19.1 6.3/ 29 100.6 17.7 281/1.15 117 .03 Mar. 1 15 27.36 +04 19.8 15 29.86 +04 09.5 2.780 3.247 -0.01 + 6.2 19.1 6.2/358 109.5 16.7 277/1.11 98 .93