1P/Halley Orbit by T. Kobayashi NK 2431 (2012) Last obs. 2003 03 08 (309)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2061 Aug. 23.91800 0.5753283 0.9677864 75.5 112.51801 59.61970 162.14497 0.200 2025 May 5.0 m2 = 13.6 + 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 m2 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 08 16.86 +02 28.1 08 19.46 +02 18.6 34.325 35.126 0.00 0.0 29.0 1.6/276 144.0 0.9 308/0.01 90 .23 2025 Jan. 5 08 15.77 +02 29.7 08 18.38 +02 20.2 34.249 35.125 0.00 0.0 29.0 1.7/279 152.7 0.7 319/0.00 135 .28 15 08 14.63 +02 32.3 08 17.23 +02 23.0 34.200 35.124 0.00 0.0 29.0 1.8/282 159.8 0.6 338/0.00 21 .99 25 08 13.45 +02 35.9 08 16.06 +02 26.7 34.180 35.123 0.00 0.0 29.0 1.8/285 163.1 0.5 10/0.00 121 .22 Feb. 4 08 12.29 +02 40.5 08 14.89 +02 31.3 34.191 35.122 0.00 0.0 29.0 1.8/288 160.6 0.5 43/0.00 98 .35 14 08 11.17 +02 45.7 08 13.78 +02 36.6 34.231 35.121 0.00 0.0 29.0 1.7/291 154.0 0.7 64/0.00 40 .98 24 08 10.14 +02 51.5 08 12.75 +02 42.4 34.299 35.120 0.00 0.0 29.0 1.5/294 145.6 0.9 77/0.01 149 .19 Mar. 6 08 09.22 +02 57.6 08 11.83 +02 48.6 34.393 35.119 0.00 0.0 29.0 1.3/299 136.5 1.1 84/0.01 61 .42 16 08 08.45 +03 03.9 08 11.06 +02 55.0 34.509 35.118 0.00 0.0 29.1 1.1/305 127.1 1.3 90/0.01 70 .97 26 08 07.83 +03 10.2 08 10.45 +03 01.3 34.643 35.117 0.00 0.0 29.1 0.9/313 117.6 1.4 94/0.01 156 .16 Apr. 5 08 07.40 +03 16.2 08 10.01 +03 07.3 34.792 35.116 0.00 0.0 29.1 0.7/327 108.1 1.6 97/0.01 29 .49 15 08 07.15 +03 21.9 08 09.77 +03 13.0 34.950 35.115 0.00 0.0 29.1 0.5/350 98.7 1.6 100/0.01 101 .96 25 08 07.09 +03 27.0 08 09.71 +03 18.1 35.112 35.114 0.00 0.0 29.1 0.5/ 23 89.3 1.6 103/0.01 127 .11 May 5 08 07.22 +03 31.5 08 09.84 +03 22.6 35.274 35.112 0.00 0.0 29.1 0.6/ 51 80.0 1.6 106/0.01 25 .54 15 08 07.52 +03 35.1 08 10.14 +03 26.2 35.431 35.111 0.00 0.0 29.1 0.8/ 69 70.8 1.6 109/0.01 131 .95 25 08 07.99 +03 37.9 08 10.61 +03 29.0 35.579 35.110 0.00 0.0 29.1 0.9/ 79 61.7 1.5 112/0.01 91 .07 June 4 08 08.61 +03 39.8 08 11.23 +03 30.8 35.713 35.109 0.00 0.0 29.1 1.1/ 86 52.8 1.3 116/0.01 51 .58 14 08 09.35 +03 40.7 08 11.97 +03 31.7 35.830 35.107 0.00 0.0 29.1 1.3/ 90 44.0 1.2 120/0.01 157 .93 24 08 10.20 +03 40.6 08 12.82 +03 31.5 35.927 35.106 0.00 0.0 29.1 1.4/ 94 35.6 1.0 127/0.01 56 .03 July 4 08 11.13 +03 39.6 08 13.75 +03 30.5 36.002 35.105 0.00 0.0 29.1 1.5/ 98 27.7 0.8 136/0.00 80 .61 14 08 12.12 +03 37.7 08 14.74 +03 28.5 36.051 35.103 0.00 0.0 29.1 1.5/101 20.9 0.6 152/0.00 150 .89 24 08 13.13 +03 34.9 08 15.75 +03 25.7 36.075 35.102 0.00 0.0 29.1 1.6/103 16.5 0.5 178/0.00 25 .01 Aug. 3 08 14.15 +03 31.4 08 16.77 +03 22.1 36.071 35.101 0.00 0.0 29.1 1.5/106 16.6 0.5 212/0.00 109 .64 13 08 15.14 +03 27.2 08 17.76 +03 17.8 36.042 35.099 0.00 0.0 29.1 1.5/109 21.2 0.6 237/0.00 118 .84 23 08 16.08 +03 22.4 08 18.69 +03 12.9 35.986 35.098 0.00 0.0 29.1 1.4/112 28.2 0.8 252/0.00 27 .00 Sept. 2 08 16.94 +03 17.1 08 19.55 +03 07.6 35.905 35.096 0.00 0.0 29.1 1.3/116 36.3 1.0 261/0.01 137 .66 12 08 17.69 +03 11.6 08 20.30 +03 02.1 35.801 35.095 0.00 0.0 29.1 1.1/121 44.9 1.2 267/0.01 82 .77 22 08 18.32 +03 05.9 08 20.93 +02 56.3 35.677 35.093 0.00 0.0 29.1 0.9/129 53.8 1.3 272/0.01 55 .00 Oct. 2 08 18.80 +03 00.2 08 21.41 +02 50.6 35.536 35.092 0.00 0.0 29.1 0.7/140 62.9 1.5 276/0.01 159 .70 12 08 19.11 +02 54.7 08 21.72 +02 45.1 35.382 35.090 0.00 0.0 29.1 0.6/159 72.2 1.6 279/0.01 46 .69 22 08 19.25 +02 49.5 08 21.85 +02 39.9 35.218 35.088 0.00 0.0 29.1 0.5/190 81.7 1.6 282/0.01 86 .00 Nov. 1 08 19.19 +02 44.9 08 21.80 +02 35.3 35.051 35.087 0.00 0.0 29.1 0.5/223 91.3 1.6 285/0.01 146 .73 11 08 18.95 +02 40.9 08 21.55 +02 31.3 34.884 35.085 0.00 0.0 29.1 0.7/244 100.9 1.6 287/0.01 20 .63 21 08 18.52 +02 37.8 08 21.12 +02 28.2 34.723 35.083 0.00 0.0 29.1 0.9/257 110.6 1.5 291/0.01 116 .01 Dec. 1 08 17.90 +02 35.6 08 20.50 +02 26.0 34.573 35.082 0.00 0.0 29.1 1.2/264 120.3 1.4 294/0.01 113 .78 11 08 17.12 +02 34.4 08 19.72 +02 24.9 34.439 35.080 0.00 0.0 29.0 1.4/270 130.0 1.2 298/0.01 36 .59 21 08 16.20 +02 34.3 08 18.80 +02 24.8 34.324 35.078 0.00 0.0 29.0 1.6/274 139.5 1.0 304/0.01 146 .01 31 08 15.16 +02 35.3 08 17.77 +02 25.9 34.234 35.076 0.00 0.0 29.0 1.7/277 148.6 0.8 312/0.01 77 .84 2026 Jan. 10 08 14.04 +02 37.4 08 16.65 +02 28.1 34.170 35.075 0.00 0.0 29.0 1.8/280 156.6 0.6 326/0.00 66 .56 20 08 12.87 +02 40.5 08 15.48 +02 31.3 34.135 35.073 0.00 0.0 29.0 1.8/283 162.2 0.5 348/0.00 160 .01 30 08 11.70 +02 44.6 08 14.30 +02 35.4 34.130 35.071 0.00 0.0 29.0 1.8/286 162.6 0.5 21/0.00 41 .89 Feb. 9 08 10.55 +02 49.5 08 13.16 +02 40.4 34.154 35.069 0.00 0.0 29.0 1.7/289 157.7 0.6 49/0.00 97 .55 19 08 09.47 +02 55.0 08 12.08 +02 45.9 34.208 35.067 0.00 0.0 29.0 1.6/292 149.9 0.8 67/0.00 134 .03 Mar. 1 08 08.49 +03 00.9 08 11.10 +02 52.0 34.289 35.065 0.00 0.0 29.0 1.4/296 141.1 1.0 78/0.01 20 .93