143P/Kowal-Mrkos Orbit by T. Kobayashi NK 2855 (2015) Observed in 1st half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 Dec. 25.34807 2.9416831 0.3845813 10.5 304.31857 242.61610 5.47235 0.200 2025 May 5.0 m1 = 12.5 + 5 log Delta + 7.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Daily motion Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , m , m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 04 24.65 +20 21.2 04 27.59 +20 27.8 3.907 4.811 -0.49 - 1.6 20.2 7.1/257 154.0 5.1 82/0.20 149 .23 2025 Jan. 5 04 19.74 +20 05.1 04 22.68 +20 12.0 3.960 4.780 -0.36 - 1.3 20.2 5.3/256 142.7 7.2 81/0.30 79 .28 15 04 16.11 +19 52.3 04 19.03 +19 59.5 4.038 4.749 -0.22 - 0.9 20.3 3.2/254 131.6 8.9 80/0.39 62 .99 25 04 13.94 +19 43.5 04 16.86 +19 50.9 4.136 4.718 -0.06 - 0.4 20.3 0.9/243 120.9 10.3 80/0.45 173 .22 Feb. 4 04 13.34 +19 39.2 04 16.26 +19 46.6 4.248 4.686 +0.10 0.0 20.3 1.4/ 90 110.6 11.4 80/0.49 38 .35 14 04 14.33 +19 39.3 04 17.25 +19 46.6 4.369 4.655 +0.25 + 0.4 20.4 3.5/ 83 100.7 12.0 80/0.51 96 .98 24 04 16.82 +19 43.4 04 19.75 +19 50.6 4.495 4.624 +0.39 + 0.7 20.4 5.6/ 82 91.2 12.4 81/0.51 143 .19 Mar. 6 04 20.74 +19 51.0 04 23.67 +19 57.9 4.622 4.592 +0.52 + 1.0 20.5 7.4/ 82 82.1 12.4 81/0.50 7 .42 16 04 25.96 +20 01.2 04 28.89 +20 07.8 4.744 4.560 +0.64 + 1.2 20.5 9.1/ 82 73.4 12.1 82/0.48 125 .97 26 04 32.33 +20 13.3 04 35.28 +20 19.4 4.860 4.529 +0.74 + 1.3 20.5 10.5/ 83 65.0 11.5 83/0.45 112 .16 Apr. 5 04 39.75 +20 26.3 04 42.70 +20 31.9 4.965 4.497 +0.83 + 1.3 20.5 11.8/ 83 56.8 10.7 84/0.41 33 .49 15 04 48.06 +20 39.4 04 51.03 +20 44.5 5.058 4.465 +0.91 + 1.2 20.6 12.8/ 84 49.0 9.8 85/0.37 152 .96 25 04 57.16 +20 51.9 05 00.14 +20 56.4 5.137 4.433 +0.98 + 1.1 20.6 13.7/ 85 41.4 8.6 86/0.32 81 .11 May 5 05 06.94 +21 03.1 05 09.92 +21 06.9 5.201 4.401 +1.04 + 0.8 20.6 14.5/ 86 34.0 7.4 88/0.27 61 .54 15 05 17.29 +21 12.4 05 20.28 +21 15.3 5.247 4.368 +1.08 + 0.6 20.6 15.1/ 87 26.7 6.0 90/0.22 173 .95 25 05 28.10 +21 19.1 05 31.10 +21 21.3 5.276 4.336 +1.12 + 0.3 20.6 15.6/ 88 19.7 4.5 93/0.16 50 .07 June 4 05 39.30 +21 22.9 05 42.29 +21 24.2 5.287 4.304 +1.15 0.0 20.6 16.0/ 90 12.7 3.0 97/0.11 87 .58 14 05 50.77 +21 23.3 05 53.77 +21 23.9 5.280 4.271 +1.17 - 0.4 20.5 16.3/ 91 6.0 1.4 110/0.05 154 .93 24 06 02.46 +21 20.1 06 05.45 +21 19.8 5.254 4.239 +1.18 - 0.8 20.5 16.5/ 92 2.4 0.6 210/0.02 20 .03 July 4 06 14.25 +21 13.2 06 17.25 +21 12.0 5.210 4.207 +1.18 - 1.2 20.5 16.6/ 94 8.2 2.0 255/0.08 111 .61 14 06 26.08 +21 02.3 06 29.07 +21 00.3 5.148 4.174 +1.18 - 1.6 20.4 16.6/ 95 14.9 3.6 263/0.14 127 .89 24 06 37.86 +20 47.6 06 40.84 +20 44.7 5.069 4.142 +1.16 - 1.9 20.3 16.4/ 96 21.6 5.2 267/0.20 13 .01 Aug. 3 06 49.50 +20 29.0 06 52.47 +20 25.3 4.973 4.109 +1.14 - 2.3 20.3 16.2/ 98 28.4 6.7 270/0.26 134 .64 13 07 00.90 +20 06.8 07 03.85 +20 02.3 4.862 4.077 +1.11 - 2.6 20.2 15.8/ 99 35.3 8.2 272/0.33 98 .84 23 07 11.98 +19 41.2 07 14.92 +19 35.9 4.736 4.044 +1.06 - 2.9 20.1 15.3/101 42.2 9.7 273/0.39 39 .00 Sept. 2 07 22.62 +19 12.6 07 25.55 +19 06.6 4.596 4.012 +1.01 - 3.2 20.0 14.7/102 49.3 11.0 275/0.46 157 .66 12 07 32.72 +18 41.6 07 35.63 +18 34.9 4.444 3.979 +0.94 - 3.4 19.9 13.8/104 56.6 12.2 276/0.52 66 .77 22 07 42.16 +18 08.6 07 45.05 +18 01.3 4.282 3.947 +0.86 - 3.5 19.8 12.8/105 64.0 13.2 278/0.59 66 .00 Oct. 2 07 50.79 +17 34.5 07 53.66 +17 26.6 4.112 3.915 +0.77 - 3.5 19.7 11.5/107 71.7 14.0 279/0.65 171 .70 12 07 58.47 +17 00.1 08 01.32 +16 51.7 3.936 3.883 +0.65 - 3.4 19.6 10.0/110 79.6 14.6 280/0.70 34 .69 22 08 05.03 +16 26.3 08 07.87 +16 17.5 3.757 3.851 +0.53 - 3.2 19.5 8.2/113 87.9 15.0 281/0.75 93 .00 Nov. 1 08 10.30 +15 54.2 08 13.13 +15 45.1 3.577 3.819 +0.38 - 2.9 19.3 6.2/118 96.5 15.0 282/0.78 145 .73 11 08 14.10 +15 24.9 08 16.92 +15 15.6 3.401 3.787 +0.22 - 2.5 19.2 4.0/129 105.5 14.6 283/0.79 8 .63 21 08 16.26 +14 59.6 08 19.07 +14 50.2 3.231 3.756 +0.04 - 2.0 19.1 2.1/165 114.9 13.8 283/0.78 122 .01 Dec. 1 08 16.63 +14 39.4 08 19.43 +14 30.0 3.072 3.724 -0.15 - 1.4 18.9 2.6/237 124.8 12.6 284/0.74 111 .78 11 08 15.15 +14 25.3 08 17.95 +14 15.9 2.929 3.693 -0.33 - 0.7 18.8 4.9/261 135.1 10.8 286/0.66 36 .59 21 08 11.84 +14 17.7 08 14.64 +14 08.5 2.805 3.662 -0.49 - 0.1 18.7 7.2/270 145.9 8.7 288/0.54 155 .01 31 08 06.89 +14 16.8 08 09.69 +14 07.9 2.706 3.631 -0.62 + 0.6 18.6 9.0/274 157.0 6.1 291/0.37 71 .84 2026 Jan. 10 08 00.68 +14 22.0 08 03.48 +14 13.5 2.634 3.601 -0.69 + 1.1 18.5 10.1/276 167.8 3.3 306/0.17 72 .56 20 07 53.73 +14 32.2 07 56.55 +14 24.2 2.591 3.571 -0.70 + 1.4 18.4 10.2/278 173.7 1.7 60/0.11 163 .01 30 07 46.75 +14 46.0 07 49.57 +14 38.4 2.579 3.541 -0.63 + 1.6 18.4 9.3/280 165.5 4.0 89/0.33 28 .89 Feb. 9 07 40.43 +15 01.5 07 43.26 +14 54.3 2.596 3.512 -0.50 + 1.6 18.4 7.5/283 154.4 7.0 94/0.56 108 .55 19 07 35.37 +15 17.2 07 38.21 +15 10.4 2.639 3.483 -0.33 + 1.5 18.4 5.0/287 143.3 9.8 96/0.76 125 .03 Mar. 1 07 32.07 +15 31.7 07 34.91 +15 25.1 2.706 3.454 -0.13 + 1.2 18.4 2.2/303 132.6 12.2 98/0.92 18 .93