13P/Olbers Orbit by S. Nakano NK 3997 (2015) Last obs. 1956 09 12 (754)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 June 30.51800 1.1752623 0.9304774 69.5 64.39817 85.87566 44.64164 0.200 2023 Sep. 13.0 m1 = 5.5 + 5 log Delta + 10.0 log r m2 = 11.5 + 5 log Delta + 5.0 log r + 0.03 phase 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 m2 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 01 59.80 -33 28.6 02 01.99 -33 14.2 5.886 6.073 -0.10 - 1.2 17.2 19.5 7.3/341 96.3 9.3 58/0.30 57 .18 2023 Jan. 6 01 57.89 -32 19.5 02 00.10 -32 05.0 5.932 5.994 -0.10 - 1.2 17.1 19.5 7.6/354 88.9 9.4 65/0.31 86 .99 16 01 57.27 -31 03.8 01 59.50 -30 49.3 5.979 5.915 -0.09 - 1.3 17.1 19.5 8.1/ 6 81.5 9.5 72/0.31 136 .41 26 01 57.91 -29 43.3 02 00.16 -29 28.8 6.024 5.835 -0.09 - 1.4 17.1 19.5 8.7/ 16 74.3 9.3 78/0.30 37 .23 Feb. 5 01 59.75 -28 20.2 02 02.01 -28 05.8 6.063 5.754 -0.09 - 1.5 17.0 19.5 9.3/ 25 67.3 9.1 84/0.29 109 .99 15 02 02.68 -26 55.9 02 04.96 -26 41.6 6.094 5.674 -0.09 - 1.7 17.0 19.5 9.9/ 33 60.5 8.7 91/0.28 116 .36 25 02 06.61 -25 31.9 02 08.89 -25 17.7 6.114 5.592 -0.09 - 1.8 16.9 19.4 10.5/ 39 54.1 8.2 98/0.26 40 .27 Mar. 7 02 11.42 -24 09.4 02 13.71 -23 55.4 6.121 5.510 -0.10 - 1.9 16.8 19.4 11.1/ 44 48.2 7.7 105/0.25 131 1.00 17 02 17.01 -22 49.3 02 19.31 -22 35.6 6.113 5.428 -0.10 - 2.0 16.8 19.3 11.6/ 49 43.0 7.2 114/0.23 89 .29 27 02 23.27 -21 32.5 02 25.58 -21 19.0 6.089 5.344 -0.11 - 2.2 16.7 19.3 12.0/ 53 38.5 6.7 124/0.22 57 .30 Apr. 6 02 30.11 -20 19.7 02 32.42 -20 06.5 6.047 5.261 -0.12 - 2.3 16.6 19.2 12.4/ 57 35.1 6.3 136/0.20 146 1.00 16 02 37.43 -19 11.6 02 39.75 -18 58.7 5.988 5.176 -0.12 - 2.4 16.5 19.1 12.7/ 61 33.0 6.1 149/0.20 63 .22 26 02 45.16 -18 08.6 02 47.48 -17 56.1 5.912 5.091 -0.13 - 2.6 16.4 19.1 12.8/ 64 32.4 6.1 163/0.20 77 .32 May 6 02 53.20 -17 11.4 02 55.53 -16 59.3 5.817 5.006 -0.14 - 2.7 16.3 19.0 12.9/ 67 33.3 6.4 177/0.21 144 1.00 16 03 01.49 -16 20.3 03 03.82 -16 08.6 5.706 4.919 -0.16 - 2.9 16.2 18.9 13.0/ 70 35.6 6.9 190/0.23 40 .15 26 03 09.93 -15 35.9 03 12.27 -15 24.7 5.578 4.832 -0.17 - 3.0 16.1 18.9 12.9/ 74 39.0 7.6 201/0.26 97 .35 June 5 03 18.46 -14 58.6 03 20.80 -14 47.9 5.434 4.745 -0.18 - 3.2 15.9 18.8 12.7/ 77 43.1 8.4 210/0.30 126 .99 15 03 26.99 -14 28.8 03 29.33 -14 18.6 5.275 4.656 -0.20 - 3.4 15.8 18.7 12.5/ 80 47.9 9.3 219/0.34 33 .10 25 03 35.43 -14 07.1 03 37.77 -13 57.3 5.103 4.567 -0.22 - 3.6 15.6 18.6 12.1/ 84 53.2 10.3 226/0.39 117 .37 July 5 03 43.68 -13 53.7 03 46.02 -13 44.4 4.919 4.478 -0.24 - 3.7 15.5 18.6 11.6/ 88 58.8 11.2 232/0.44 101 .96 15 03 51.64 -13 49.0 03 53.97 -13 40.2 4.725 4.387 -0.26 - 4.0 15.3 18.4 11.0/ 93 64.7 12.1 238/0.49 46 .07 25 03 59.17 -13 53.5 04 01.49 -13 45.1 4.521 4.296 -0.28 - 4.2 15.1 18.3 10.2/ 98 70.8 12.9 243/0.54 134 .41 Aug. 4 04 06.12 -14 07.2 04 08.44 -13 59.3 4.312 4.204 -0.31 - 4.4 14.9 18.2 9.3/105 77.1 13.6 248/0.60 75 .92 14 04 12.36 -14 30.4 04 14.66 -14 22.9 4.097 4.111 -0.33 - 4.6 14.7 18.1 8.4/113 83.7 14.2 253/0.65 66 .05 24 04 17.66 -15 03.0 04 19.95 -14 55.9 3.881 4.018 -0.36 - 4.8 14.5 17.9 7.3/125 90.4 14.6 258/0.71 141 .46 Sept. 3 04 21.81 -15 44.5 04 24.09 -15 37.6 3.665 3.923 -0.40 - 5.0 14.3 17.7 6.4/142 97.3 14.8 264/0.76 52 .88 13 04 24.58 -16 34.1 04 26.84 -16 27.4 3.452 3.828 -0.43 - 5.3 14.0 17.5 5.8/165 104.4 14.8 270/0.80 89 .04 23 04 25.67 -17 30.1 04 27.91 -17 23.5 3.246 3.732 -0.46 - 5.4 13.8 17.4 6.1/192 111.5 14.5 277/0.83 128 .52 Oct. 3 04 24.82 -18 30.1 04 27.04 -18 23.4 3.050 3.635 -0.50 - 5.6 13.5 17.1 7.4/216 118.5 14.0 285/0.85 43 .84 13 04 21.76 -19 30.3 04 23.97 -19 23.4 2.866 3.538 -0.53 - 5.7 13.3 16.9 9.5/234 125.3 13.3 295/0.86 114 .03 23 04 16.31 -20 25.4 04 18.50 -20 18.2 2.699 3.439 -0.55 - 5.8 13.0 16.7 11.8/248 131.4 12.5 307/0.86 100 .60 Nov. 2 04 08.44 -21 08.7 04 10.63 -21 00.9 2.552 3.340 -0.56 - 5.8 12.8 16.5 14.3/260 136.2 11.9 322/0.86 56 .81 12 03 58.36 -21 32.6 04 00.54 -21 24.2 2.428 3.240 -0.56 - 5.8 12.5 16.3 16.5/271 138.9 11.6 340/0.88 135 .02 22 03 46.57 -21 29.2 03 48.77 -21 20.1 2.328 3.139 -0.54 - 5.8 12.3 16.2 18.1/281 138.7 12.0 360/0.94 65 .67 Dec. 2 03 33.92 -20 52.7 03 36.14 -20 42.8 2.254 3.037 -0.50 - 5.9 12.1 16.1 19.0/292 135.5 13.2 18/1.06 84 .79 12 03 21.40 -19 40.1 03 23.66 -19 29.5 2.205 2.934 -0.45 - 6.2 11.9 16.0 19.4/304 129.7 15.0 34/1.23 134 .01 22 03 10.07 -17 52.2 03 12.36 -17 41.0 2.180 2.831 -0.39 - 6.6 11.7 16.0 19.3/316 122.3 17.1 46/1.42 36 .74 2024 Jan. 1 03 00.76 -15 33.5 03 03.11 -15 21.8 2.174 2.727 -0.33 - 7.2 11.5 15.9 19.1/329 114.1 19.2 56/1.60 115 .78 11 02 54.04 -12 50.0 02 56.42 -12 37.9 2.183 2.622 -0.28 - 8.0 11.4 15.9 19.1/343 105.4 21.2 63/1.75 109 .01 21 02 50.16 -09 48.1 02 52.60 -09 35.8 2.203 2.516 -0.24 - 8.8 11.2 15.9 19.5/356 96.7 22.9 68/1.86 39 .79 31 02 49.17 -06 33.5 02 51.65 -06 21.2 2.230 2.410 -0.21 - 9.7 11.1 15.9 20.5/ 8 88.3 24.1 73/1.94 143 .77 Feb. 10 02 50.95 -03 10.5 02 53.47 -02 58.3 2.258 2.304 -0.20 -10.6 10.9 15.8 21.9/ 18 80.1 25.0 76/1.98 78 .00 20 02 55.35 +00 18.2 02 57.92 +00 30.1 2.285 2.198 -0.20 -11.6 10.7 15.8 23.6/ 26 72.4 25.4 78/2.00 61 .82 Mar. 1 03 02.20 +03 50.5 03 04.82 +04 02.2 2.307 2.092 -0.21 -12.6 10.5 15.7 25.5/ 33 65.1 25.4 80/1.98 164 .75 11 03 11.38 +07 25.9 03 14.06 +07 37.0 2.322 1.987 -0.24 -13.6 10.3 15.6 27.6/ 38 58.2 25.1 81/1.95 49 .01 21 03 22.84 +11 03.7 03 25.57 +11 14.2 2.329 1.882 -0.28 -14.7 10.1 15.4 29.8/ 42 51.7 24.6 82/1.90 83 .84 31 03 36.56 +14 43.8 03 39.37 +14 53.5 2.325 1.780 -0.34 -15.7 9.8 15.3 32.1/ 46 45.8 23.7 81/1.85 160 .72