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 30.79331 1.1752159 0.9299946 68.8 64.38441 85.94474 44.61450 0.200 2022 Aug. 9.0 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 Jan. 1 01 31.12 -37 52.9 01 33.34 -37 37.5 8.657 8.629 -0.06 - 0.6 19.5 21.1 5.3/356 85.1 6.5 64/0.15 102 .05 11 01 30.77 -37 00.3 01 33.01 -36 44.9 8.715 8.564 -0.06 - 0.6 19.5 21.1 5.6/ 7 78.0 6.4 71/0.14 48 .62 21 01 31.35 -36 04.6 01 33.59 -35 49.3 8.768 8.499 -0.06 - 0.6 19.5 21.0 6.0/ 17 71.0 6.3 78/0.14 135 .91 31 01 32.80 -35 07.3 01 35.05 -34 52.0 8.813 8.434 -0.06 - 0.7 19.5 21.0 6.4/ 26 64.3 6.0 86/0.13 74 .02 Feb. 10 01 35.06 -34 09.5 01 37.31 -33 54.3 8.848 8.368 -0.06 - 0.7 19.5 21.0 6.8/ 34 58.1 5.7 94/0.13 68 .63 20 01 38.04 -33 12.6 01 40.30 -32 57.4 8.869 8.302 -0.06 - 0.8 19.4 21.0 7.2/ 40 52.3 5.4 102/0.12 144 .88 Mar. 2 01 41.67 -32 17.4 01 43.93 -32 02.3 8.876 8.235 -0.06 - 0.8 19.4 21.0 7.5/ 46 47.3 5.1 112/0.11 49 .01 12 01 45.85 -31 24.8 01 48.11 -31 09.9 8.865 8.169 -0.06 - 0.9 19.4 20.9 7.7/ 51 43.1 4.8 123/0.10 90 .64 22 01 50.49 -30 35.8 01 52.74 -30 21.0 8.837 8.102 -0.06 - 0.9 19.3 20.9 7.9/ 56 40.2 4.6 135/0.10 130 .84 Apr. 1 01 55.50 -29 50.9 01 57.76 -29 36.3 8.790 8.034 -0.07 - 1.0 19.3 20.9 8.0/ 60 38.7 4.5 148/0.10 35 .00 11 02 00.81 -29 10.8 02 03.06 -28 56.4 8.724 7.967 -0.07 - 1.0 19.2 20.8 8.0/ 65 38.7 4.5 162/0.10 112 .66 21 02 06.32 -28 36.1 02 08.56 -28 21.9 8.639 7.899 -0.07 - 1.1 19.2 20.8 8.0/ 69 40.2 4.7 174/0.11 104 .77 May 1 02 11.95 -28 07.4 02 14.18 -27 53.4 8.537 7.830 -0.08 - 1.1 19.1 20.8 7.8/ 74 43.0 5.0 186/0.12 43 .00 11 02 17.62 -27 45.0 02 19.85 -27 31.3 8.417 7.761 -0.08 - 1.2 19.0 20.7 7.6/ 79 46.9 5.4 197/0.13 132 .69 21 02 23.24 -27 29.5 02 25.46 -27 16.0 8.281 7.692 -0.09 - 1.2 19.0 20.7 7.4/ 84 51.6 5.9 206/0.14 76 .70 31 02 28.74 -27 21.2 02 30.95 -27 08.0 8.130 7.623 -0.09 - 1.2 18.9 20.7 7.0/ 90 56.8 6.4 213/0.15 62 .00 June 10 02 34.02 -27 20.5 02 36.22 -27 07.5 7.967 7.553 -0.10 - 1.3 18.8 20.6 6.7/ 97 62.6 6.9 221/0.17 142 .74 20 02 38.99 -27 27.5 02 41.18 -27 14.7 7.793 7.483 -0.10 - 1.3 18.7 20.5 6.2/104 68.6 7.3 227/0.18 52 .62 30 02 43.55 -27 42.4 02 45.73 -27 29.8 7.611 7.412 -0.11 - 1.4 18.6 20.5 5.8/114 74.9 7.6 233/0.19 85 .01 July 10 02 47.59 -28 05.3 02 49.76 -27 52.9 7.424 7.342 -0.11 - 1.4 18.5 20.4 5.5/124 81.4 7.9 239/0.21 132 .80 20 02 51.02 -28 35.8 02 53.16 -28 23.6 7.234 7.270 -0.12 - 1.4 18.4 20.3 5.2/137 88.0 8.0 245/0.22 41 .56 30 02 53.70 -29 13.7 02 55.84 -29 01.6 7.044 7.199 -0.13 - 1.4 18.3 20.3 5.0/152 94.7 8.1 251/0.22 108 .02 Aug. 9 02 55.53 -29 58.1 02 57.65 -29 46.1 6.857 7.127 -0.13 - 1.4 18.2 20.2 5.1/168 101.4 8.0 258/0.23 106 .86 19 02 56.40 -30 48.0 02 58.50 -30 36.0 6.677 7.054 -0.14 - 1.4 18.1 20.1 5.4/183 107.9 7.8 265/0.23 50 .52 29 02 56.20 -31 41.8 02 58.29 -31 29.8 6.506 6.981 -0.14 - 1.4 18.0 20.0 5.8/197 114.2 7.6 274/0.23 128 .03 Sept. 8 02 54.87 -32 37.5 02 56.93 -32 25.5 6.349 6.908 -0.15 - 1.4 17.9 19.9 6.4/210 120.0 7.3 283/0.22 77 .92 18 02 52.35 -33 32.6 02 54.41 -33 20.5 6.208 6.834 -0.15 - 1.3 17.8 19.8 6.9/221 125.0 6.9 294/0.22 72 .49 28 02 48.68 -34 24.5 02 50.73 -34 12.2 6.085 6.760 -0.15 - 1.3 17.7 19.8 7.4/232 129.0 6.6 307/0.21 133 .05 Oct. 8 02 43.93 -35 09.9 02 45.98 -34 57.3 5.982 6.686 -0.15 - 1.2 17.6 19.7 7.8/242 131.4 6.4 321/0.21 52 .96 18 02 38.29 -35 45.9 02 40.34 -35 33.1 5.901 6.611 -0.15 - 1.1 17.6 19.6 8.0/252 132.1 6.4 336/0.21 97 .47 28 02 32.01 -36 09.8 02 34.07 -35 56.7 5.843 6.535 -0.14 - 1.1 17.5 19.6 8.0/263 130.7 6.6 352/0.22 115 .08 Nov. 7 02 25.42 -36 19.6 02 27.49 -36 06.2 5.807 6.459 -0.14 - 1.0 17.4 19.6 7.9/274 127.6 7.0 6/0.23 46 .98 17 02 18.87 -36 14.1 02 20.97 -36 00.4 5.791 6.383 -0.13 - 1.0 17.4 19.6 7.7/285 122.9 7.5 19/0.25 122 .46 27 02 12.75 -35 53.1 02 14.87 -35 39.2 5.794 6.306 -0.12 - 1.0 17.3 19.6 7.5/298 117.1 8.0 30/0.27 86 .13 Dec. 7 02 07.37 -35 17.5 02 09.51 -35 03.3 5.813 6.229 -0.11 - 1.0 17.3 19.5 7.3/312 110.6 8.5 40/0.28 62 .99 17 02 03.00 -34 28.6 02 05.17 -34 14.3 5.845 6.151 -0.11 - 1.1 17.2 19.5 7.2/326 103.6 8.9 49/0.29 139 .44 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 57/0.30 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 64/0.31 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 70/0.31 136 .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 77/0.30 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 83/0.29 109 .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 90/0.28 116 .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 97/0.26 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 7.7 105/0.24 131 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 6.7 124/0.21 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 6.1 164/0.20 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