168P/Hergenrother From 2807 observations 1998 Nov. 21-2013 Jan. 5. Kinoshita Epoch = 2020 Feb. 1.0 TT = JDT 2458880.5 T = 2019 Aug. 5.14525 TT peri.= 14.99165 e = 0.6206225 node = 355.46805 (2000.0) q = 1.3588640 AU incl.= 21.61157 a = 3.5818259 AU n = 0.14539429 P = 6.78 years m1 = 16.0 + 5log(delta) + 5.0log(r) A. Node = E:09/19.3 JST O:2019/07/17.4 JST 1.377 AU D. Node = E:03/16.3 JST O:2022/01/26.4 JST 5.499 AU 2020 JST R.A. (2000) D.C. Delta r Elong. Phase dMo./P.A. Tail/P.A. M-O Ag m1 H/A 01/12 00:20 06 05.44 +59 15.6 1.329 2.174 139.7 17.0 16.5/216.1 1.2/149 44 16 18.3 +61*154 01/13 00:20 06 04.18 +59 02.2 1.339 2.181 139.4 17.1 16.5/214.3 1.2/147 53 17 18.3 +61*153 01/14 00:10 06 02.99 +58 48.7 1.349 2.188 139.0 17.1 16.4/212.6 1.2/145 64 18 18.4 +61*153 01/15 00:10 06 01.87 +58 34.9 1.359 2.196 138.7 17.2 16.3/210.8 1.2/143 75 19 18.4 +61*152 01/16 00:10 06 00.80 +58 20.9 1.369 2.203 138.3 17.3 16.2/209.1 1.2/142 87 20 18.4 +61*151 01/17 00:10 05 59.81 +58 06.7 1.380 2.210 137.8 17.4 16.2/207.4 1.2/140 98 21 18.4 +60*150 01/19 00:00 05 58.02 +57 37.9 1.402 2.224 136.9 17.6 16.0/203.9 1.2/136 121 23 18.5 +61*149 01/20 00:00 05 57.21 +57 23.3 1.413 2.232 136.4 17.7 15.9/202.2 1.2/135 131 24 18.5 +60*148 01/21 00:00 05 56.47 +57 08.5 1.425 2.239 135.9 17.8 15.8/200.5 1.2/133 139 25 18.5 +60*147 01/22 00:00 05 55.80 +56 53.7 1.437 2.246 135.4 17.9 15.8/198.7 1.2/132 145 26 18.5 +59*146 01/22 23:50 05 55.19 +56 38.9 1.448 2.253 134.8 18.0 15.7/197.0 1.1/130 146 27 18.6 +60*146 01/23 23:50 05 54.64 +56 23.9 1.460 2.260 134.3 18.2 15.6/195.3 1.1/129 143 28 18.6 +60*145 01/24 23:50 05 54.14 +56 08.8 1.473 2.267 133.7 18.3 15.5/193.6 1.1/127 137 29 18.6 +59*144 01/25 23:50 05 53.71 +55 53.8 1.485 2.275 133.1 18.4 15.4/191.9 1.1/126 129 1 18.6 +59*143 01/26 23:50 05 53.33 +55 38.6 1.498 2.282 132.5 18.5 15.4/190.2 1.1/125 120 2 18.7 +59*142 01/27 23:40 05 53.02 +55 23.6 1.510 2.289 131.9 18.7 15.3/188.5 1.1/123 110 3 18.7 +59*142 01/28 23:40 05 52.75 +55 08.5 1.523 2.296 131.3 18.8 15.2/186.8 1.1/122 100 3 18.7 +59*141 01/29 23:40 05 52.54 +54 53.3 1.537 2.303 130.7 18.9 15.2/185.1 1.1/121 90 4 18.7 +59/140 01/30 23:40 05 52.39 +54 38.2 1.550 2.310 130.1 19.0 15.1/183.4 1.1/120 80 5 18.8 +58/139 01/31 23:40 05 52.28 +54 23.1 1.564 2.318 129.4 19.2 15.1/181.8 1.1/119 70 6 18.8 +58/139 02/01 23:30 05 52.23 +54 08.2 1.577 2.325 128.8 19.3 15.0/180.1 1.1/118 61 7 18.8 +59/139 02/02 23:30 05 52.23 +53 53.2 1.591 2.332 128.1 19.4 15.0/178.5 1.1/117 51 8 18.8 +58/138 02/03 23:30 05 52.27 +53 38.2 1.605 2.339 127.5 19.5 14.9/176.9 1.1/116 42 9 18.9 +58/137 02/04 23:30 05 52.36 +53 23.3 1.619 2.346 126.8 19.7 14.9/175.3 1.1/115 35 10 18.9 +57/136 02/05 23:30 05 52.50 +53 08.5 1.634 2.353 126.1 19.8 14.9/173.7 1.1/114 31 11 18.9 +57/136 02/06 23:30 05 52.68 +52 53.7 1.648 2.361 125.4 19.9 14.8/172.1 1.1/113 31 12 18.9 +56/135 02/07 23:20 05 52.90 +52 39.1 1.663 2.368 124.7 20.0 14.8/170.6 1.1/112 37 13 19.0 +57/135 02/08 23:20 05 53.16 +52 24.5 1.677 2.375 124.1 20.1 14.8/169.1 1.1/111 47 14 19.0 +57/134 02/09 23:20 05 53.47 +52 09.9 1.692 2.382 123.4 20.2 14.8/167.6 1.1/110 58 15 19.0 +56/133 02/10 23:20 05 53.81 +51 55.5 1.708 2.389 122.7 20.3 14.8/166.1 1.1/110 71 16 19.1 +56/133 02/11 23:20 05 54.20 +51 41.1 1.723 2.396 122.0 20.5 14.8/164.6 1.1/109 83 17 19.1 +55/132 02/12 23:20 05 54.61 +51 26.9 1.738 2.403 121.3 20.6 14.8/163.2 1.1/108 96 18 19.1 +55/132