P/1983 V1 (Hartley-IRAS) Orbit by S. Nakano NK 845 (1999) Last obs. 1984 06 04 (801)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 Dec. 7.06621 1.2651330 0.8362327 21.5 47.07141 1.47416 95.79021 0.200 2026 June 9.0 m1 = 10.0 + 5 log Delta + 10.0 log r 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 02 28.79 -66 12.8 02 29.83 -65 59.5 4.068 4.003 +0.84 - 3.0 19.1 19.6/325 79.3 14.0 56/0.65 89 .84 2026 Jan. 10 02 11.78 -63 29.4 02 13.13 -63 15.4 4.045 3.921 +0.77 - 3.7 19.0 19.5/336 75.8 14.1 69/0.66 107 .56 20 02 00.85 -60 30.1 02 02.42 -60 15.7 4.027 3.838 +0.70 - 4.2 18.9 19.3/345 72.0 14.1 81/0.66 66 .01 30 01 54.71 -57 22.9 01 56.43 -57 08.3 4.010 3.754 +0.64 - 4.7 18.8 19.0/354 68.1 14.1 91/0.66 100 .89 Feb. 9 01 52.20 -54 13.8 01 54.03 -53 59.1 3.992 3.670 +0.60 - 5.1 18.7 18.7/ 1 64.1 14.0 101/0.66 105 .55 19 01 52.45 -51 06.8 01 54.36 -50 52.1 3.970 3.585 +0.57 - 5.4 18.5 18.3/ 8 60.3 13.9 110/0.66 58 .03 Mar. 1 01 54.78 -48 05.0 01 56.74 -47 50.4 3.943 3.499 +0.54 - 5.7 18.4 17.9/ 13 56.7 13.7 119/0.66 114 .93 11 01 58.67 -45 10.4 02 00.68 -44 55.9 3.908 3.412 +0.52 - 6.0 18.3 17.5/ 19 53.5 13.5 128/0.65 97 .54 21 02 03.76 -42 24.2 02 05.80 -42 09.9 3.863 3.324 +0.51 - 6.4 18.2 17.1/ 24 50.8 13.4 138/0.66 56 .05 31 02 09.74 -39 47.6 02 11.80 -39 33.5 3.807 3.236 +0.50 - 6.7 18.0 16.6/ 29 48.7 13.4 148/0.66 126 .95 Apr. 10 02 16.37 -37 21.0 02 18.46 -37 07.3 3.737 3.147 +0.49 - 7.0 17.8 16.1/ 33 47.4 13.6 158/0.68 85 .52 20 02 23.49 -35 05.0 02 25.59 -34 51.5 3.653 3.057 +0.49 - 7.4 17.7 15.5/ 37 46.9 13.9 168/0.72 65 .09 30 02 30.91 -32 59.9 02 33.03 -32 46.7 3.554 2.966 +0.49 - 7.8 17.5 14.9/ 41 47.4 14.5 178/0.76 132 .97 May 10 02 38.50 -31 05.7 02 40.63 -30 52.9 3.438 2.874 +0.49 - 8.2 17.3 14.3/ 45 48.7 15.3 188/0.83 71 .49 20 02 46.13 -29 22.7 02 48.27 -29 10.3 3.306 2.782 +0.49 - 8.8 17.0 13.5/ 48 50.9 16.4 197/0.92 82 .15 30 02 53.65 -27 51.2 02 55.81 -27 39.1 3.158 2.689 +0.49 - 9.4 16.8 12.6/ 51 53.9 17.7 206/1.04 129 .98 June 9 03 00.92 -26 31.1 03 03.08 -26 19.4 2.994 2.596 +0.50 -10.1 16.5 11.5/ 54 57.6 19.3 214/1.19 56 .44 19 03 07.76 -25 23.0 03 09.94 -25 11.6 2.813 2.502 +0.51 -11.0 16.2 10.1/ 57 62.0 21.0 222/1.37 102 .20 29 03 13.95 -24 27.1 03 16.13 -24 16.1 2.618 2.408 +0.52 -12.0 15.9 8.4/ 60 66.9 22.8 228/1.59 117 .99 July 9 03 19.20 -23 44.0 03 21.39 -23 33.3 2.409 2.314 +0.53 -13.3 15.6 6.1/ 62 72.4 24.8 235/1.85 46 .37 19 03 23.12 -23 14.6 03 25.31 -23 04.1 2.187 2.219 +0.55 -14.8 15.2 3.1/ 62 78.5 26.7 241/2.17 121 .26 29 03 25.09 -22 59.7 03 27.28 -22 49.3 1.954 2.125 +0.58 -16.7 14.7 1.2/266 85.2 28.4 247/2.56 98 1.00 Aug. 8 03 24.22 -23 00.6 03 26.41 -22 50.1 1.714 2.032 +0.62 -19.1 14.2 7.5/256 92.7 29.9 253/3.02 52 .29 18 03 18.97 -23 18.5 03 21.17 -23 07.8 1.468 1.939 +0.69 -22.2 13.7 17.3/258 101.2 30.8 260/3.57 135 .30 28 03 06.67 -23 53.1 03 08.88 -23 41.7 1.224 1.848 +0.81 -26.1 13.1 33.4/261 111.3 30.6 268/4.17 70 1.00 Sept. 7 02 42.49 -24 37.4 02 44.72 -24 24.8 0.989 1.760 +1.08 -31.5 12.4 61.0/266 123.6 28.5 279/4.68 84 .21 17 01 57.69 -24 57.7 02 00.00 -24 43.2 0.780 1.674 +1.65 -39.5 11.7 104.6/273 139.0 23.2 297/4.67 122 .33 27 00 41.78 -22 59.8 00 44.26 -22 43.4 0.628 1.593 +2.72 -52.6 11.0 146.1/282 154.7 15.6 341/3.75 29 1.00 Oct. 7 23 02.66 -15 59.0 23 05.30 -15 42.8 0.578 1.517 +3.78 -70.1 10.6 137.7/293 146.8 21.2 53/5.39 164 .15 17 21 37.89 -06 11.7 21 40.52 -05 58.1 0.649 1.448 +3.88 -75.3 10.7 92.9/300 121.8 35.8 75/8.21 52 .34 27 20 44.42 +01 39.0 20 46.96 +01 50.1 0.798 1.387 +3.47 -65.6 10.9 56.5/305 100.9 44.7 78/8.52 88 .99 Nov. 6 20 13.40 +07 01.5 20 15.85 +07 10.7 0.979 1.337 +3.09 -53.0 11.2 35.5/311 85.5 47.7 73/7.57 121 .11 16 19 55.22 +10 53.3 19 57.59 +11 01.4 1.163 1.299 +2.85 -42.8 11.5 24.4/319 73.8 47.0 67/6.42 33 .36 26 19 44.23 +13 57.3 19 46.54 +14 04.7 1.335 1.275 +2.70 -35.0 11.7 18.8/328 64.6 44.4 58/5.41 126 .97 Dec. 6 19 37.43 +16 37.7 19 39.69 +16 44.6 1.487 1.265 +2.61 -29.1 11.9 16.3/338 57.4 41.0 48/4.58 86 .09 16 19 33.19 +19 09.2 19 35.40 +19 15.9 1.612 1.271 +2.57 -24.5 12.1 15.7/346 52.1 37.6 37/3.95 53 .38 26 19 30.48 +21 41.7 19 32.63 +21 48.2 1.707 1.292 +2.55 -20.9 12.3 16.3/351 48.8 34.9 23/3.50 135 .94 2027 Jan. 5 19 28.66 +24 23.2 19 30.75 +24 29.5 1.772 1.328 +2.55 -18.0 12.5 17.9/353 47.7 33.2 9/3.24 65 .07 15 19 27.17 +27 21.1 19 29.20 +27 27.3 1.806 1.375 +2.58 -15.8 12.7 20.3/353 48.9 32.6 355/3.12 76 .41 25 19 25.45 +30 42.4 19 27.40 +30 48.6 1.813 1.434 +2.63 -14.0 12.9 23.4/352 52.0 32.7 342/3.13 121 .91 Feb. 4 19 22.83 +34 34.3 19 24.67 +34 40.3 1.796 1.501 +2.73 -12.7 13.0 27.5/349 56.7 33.3 330/3.20 60 .06 14 19 18.33 +39 03.8 19 20.04 +39 09.5 1.761 1.576 +2.90 -11.6 13.2 32.4/344 62.8 33.8 319/3.31 94 .46 24 19 10.41 +44 15.3 19 11.94 +44 20.4 1.716 1.657 +3.17 -10.5 13.4 38.0/339 69.7 34.1 308/3.41 101 .88 Mar. 6 18 56.58 +50 08.4 18 57.85 +50 12.5 1.670 1.741 +3.58 - 9.1 13.5 44.0/332 77.1 33.7 296/3.46 73 .05