13P/Olbers Orbit by S. Nakano CBET 5289 (2023) Observed in 1st half of 2024
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 June 30.01792 1.1754947 0.9303697 69.4 64.41083 85.84825 44.66376 0.200 2024 Mar. 31.0 m1 = 4.5 + 5 log Delta + 20.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2023 Dec. 22 03 10.27 -17 48.7 03 12.57 -17 37.5 2.173 2.825 -0.93 +14.0 15.2 19.3/316 122.4 17.1 46/1.42 36 .74 2024 Jan. 1 03 00.93 -15 29.6 03 03.28 -15 17.9 2.167 2.721 -0.67 +16.4 14.9 19.1/329 114.1 19.3 55/1.60 115 .78 11 02 54.18 -12 45.7 02 56.57 -12 33.7 2.176 2.616 -0.38 +18.3 14.5 19.1/343 105.5 21.2 63/1.76 109 .01 21 02 50.28 -09 43.3 02 52.72 -09 31.1 2.197 2.511 -0.10 +19.5 14.2 19.6/356 96.8 22.9 68/1.87 39 .79 31 02 49.28 -06 28.3 02 51.75 -06 16.0 2.223 2.405 +0.18 +20.3 13.9 20.5/ 8 88.3 24.2 72/1.95 143 .77 Feb. 10 02 51.05 -03 04.7 02 53.57 -02 52.5 2.251 2.299 +0.44 +20.9 13.5 21.9/ 18 80.2 25.0 76/1.99 78 .00 20 02 55.45 +00 24.4 02 58.02 +00 36.4 2.278 2.193 +0.69 +21.3 13.1 23.6/ 26 72.4 25.5 78/2.00 61 .82 Mar. 1 03 02.31 +03 57.3 03 04.93 +04 09.0 2.300 2.087 +0.93 +21.5 12.7 25.6/ 33 65.1 25.5 80/1.99 164 .75 11 03 11.50 +07 33.2 03 14.18 +07 44.3 2.316 1.981 +1.15 +21.8 12.3 27.7/ 38 58.2 25.2 81/1.96 49 .01 21 03 22.98 +11 11.6 03 25.72 +11 22.1 2.322 1.877 +1.38 +22.0 11.8 29.8/ 42 51.8 24.6 81/1.91 83 .84 31 03 36.74 +14 52.3 03 39.54 +15 02.0 2.319 1.774 +1.62 +22.2 11.3 32.2/ 46 45.9 23.8 81/1.85 160 .72 Apr. 10 03 52.89 +18 35.1 03 55.78 +18 43.8 2.305 1.675 +1.89 +22.3 10.8 34.6/ 49 40.5 22.9 80/1.79 24 .02 20 04 11.67 +22 19.5 04 14.64 +22 27.1 2.281 1.578 +2.18 +22.3 10.3 37.3/ 52 35.7 21.8 78/1.73 100 .86 30 04 33.39 +26 04.3 04 36.46 +26 10.3 2.247 1.488 +2.53 +22.1 9.7 40.1/ 55 31.7 20.9 75/1.68 140 .66 May 10 04 58.59 +29 46.6 05 01.77 +29 50.9 2.204 1.404 +2.94 +21.3 9.2 43.2/ 59 28.6 20.2 71/1.65 4 .05 20 05 27.93 +33 21.7 05 31.22 +33 23.9 2.154 1.329 +3.44 +19.7 8.6 46.5/ 63 26.6 19.9 66/1.67 114 .88 30 06 02.19 +36 41.2 06 05.58 +36 41.0 2.099 1.267 +4.00 +16.8 8.2 50.1/ 67 25.9 20.4 61/1.75 122 .58 June 9 06 42.15 +39 32.3 06 45.62 +39 29.1 2.043 1.218 +4.60 +12.1 7.8 53.9/ 73 26.3 21.7 58/1.90 15 .07 19 07 28.18 +41 36.7 07 31.66 +41 30.4 1.989 1.188 +5.13 + 5.3 7.5 57.5/ 80 27.7 23.5 57/2.10 122 .90 29 08 19.60 +42 33.1 08 22.99 +42 23.4 1.942 1.176 +5.45 - 3.4 7.3 60.7/ 89 29.9 25.5 59/2.33 108 .49 July 9 09 14.29 +42 02.1 09 17.51 +41 49.5 1.909 1.183 +5.44 -12.8 7.4 63.1/ 97 32.4 27.4 63/2.53 25 .09 19 10 08.92 +39 56.0 10 11.91 +39 41.1 1.895 1.211 +5.12 -21.4 7.5 64.1/105 34.9 28.7 68/2.66 123 .92 29 11 00.30 +36 23.3 11 03.06 +36 07.1 1.906 1.255 +4.61 -27.7 7.9 63.7/112 37.1 29.2 72/2.69 101 .40 Aug. 8 11 46.53 +31 46.6 11 49.13 +31 29.9 1.943 1.315 +4.06 -31.2 8.3 61.7/118 38.7 28.8 76/2.61 29 .11 18 12 27.20 +26 34.4 12 29.69 +26 17.8 2.008 1.388 +3.55 -32.1 8.9 58.4/121 39.6 27.7 79/2.44 124 .95 28 13 02.79 +21 12.6 13 05.23 +20 56.5 2.098 1.470 +3.14 -31.2 9.5 54.5/124 39.7 26.0 80/2.21 98 .33 Sept. 7 13 34.18 +16 00.2 13 36.61 +15 44.9 2.210 1.559 +2.81 -29.0 10.1 50.2/124 38.8 23.9 80/1.94 28 .13 17 14 02.22 +11 09.2 14 04.67 +10 54.9 2.340 1.654 +2.54 -26.3 10.7 46.0/124 37.2 21.5 79/1.66 131 .98 27 14 27.62 +06 45.3 14 30.11 +06 32.0 2.482 1.754 +2.34 -23.4 11.4 42.1/124 34.7 19.0 78/1.40 91 .28 Oct. 7 14 50.98 +02 50.0 14 53.51 +02 37.8 2.631 1.856 +2.18 -20.6 12.0 38.6/122 31.6 16.4 75/1.15 30 .15 17 15 12.70 -00 37.1 15 15.27 -00 48.2 2.783 1.960 +2.04 -18.0 12.6 35.5/121 28.0 13.8 72/0.92 146 1.00 27 15 33.09 -03 38.2 15 35.71 -03 48.1 2.933 2.065 +1.93 -15.6 13.1 32.8/119 23.9 11.3 67/0.71 78 .25 Nov. 6 15 52.38 -06 15.6 15 55.05 -06 24.4 3.079 2.171 +1.84 -13.5 13.7 30.5/117 19.6 8.8 59/0.54 41 .18 16 16 10.70 -08 31.9 16 13.42 -08 39.5 3.215 2.277 +1.75 -11.6 14.2 28.4/115 15.4 6.6 48/0.39 162 1.00 26 16 28.15 -10 29.5 16 30.90 -10 35.9 3.341 2.383 +1.67 -10.0 14.7 26.5/113 11.8 4.8 28/0.27 62 .24 Dec. 6 16 44.78 -12 10.7 16 47.57 -12 16.0 3.452 2.489 +1.58 - 8.6 15.1 24.7/111 10.2 4.0 356/0.22 60 .23 16 17 00.59 -13 37.7 17 03.41 -13 41.9 3.548 2.594 +1.50 - 7.4 15.5 23.0/109 12.1 4.6 324/0.24 159 .99 26 17 15.57 -14 52.3 17 18.42 -14 55.5 3.627 2.699 +1.42 - 6.3 15.9 21.4/108 16.6 6.0 303/0.31 44 .23 2025 Jan. 5 17 29.70 -15 56.6 17 32.58 -15 58.7 3.688 2.804 +1.32 - 5.5 16.3 19.8/106 22.4 7.7 291/0.39 85 .28 15 17 42.90 -16 52.2 17 45.80 -16 53.3 3.730 2.907 +1.22 - 4.8 16.6 18.2/106 28.8 9.4 283/0.48 138 .99 25 17 55.11 -17 40.8 17 58.03 -17 41.1 3.753 3.010 +1.11 - 4.3 16.9 16.5/105 35.8 11.0 278/0.56 22 .22 Feb. 4 18 06.25 -18 24.2 18 09.18 -18 23.6 3.758 3.112 +1.00 - 3.9 17.2 14.7/106 43.1 12.5 275/0.63 115 .35 14 18 16.19 -19 03.9 18 19.14 -19 02.7 3.745 3.214 +0.87 - 3.7 17.5 12.8/107 50.8 13.8 272/0.69 113 .98 24 18 24.84 -19 41.7 18 27.80 -19 39.8 3.717 3.314 +0.72 - 3.7 17.8 10.8/110 58.8 14.8 269/0.75 11 .19 Mar. 6 18 32.05 -20 18.9 18 35.02 -20 16.5 3.674 3.414 +0.56 - 3.8 18.0 8.8/116 67.1 15.5 268/0.79 147 .42 16 18 37.69 -20 57.1 18 40.67 -20 54.2 3.621 3.512 +0.39 - 4.0 18.2 6.8/126 75.8 15.9 267/0.83 85 .97 26 18 41.60 -21 37.5 18 44.60 -21 34.4 3.560 3.610 +0.21 - 4.3 18.4 5.2/147 84.9 16.0 266/0.84 38 .16