250P/Larson Orbit by S. Nakano NK 5020 (2023) Observed in 1st half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 May 16.74290 2.2723288 0.3984693 7.34 45.70909 73.30404 13.15229 0.200 2025 May 5.0 m1 = 13.5 + 5 log Delta + 10.0 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 03 52.65 +20 20.1 03 55.57 +20 28.8 1.602 2.483 -0.46 + 4.5 18.5 7.9/305 146.7 12.6 78/1.39 156 .23 2025 Jan. 5 03 48.01 +21 05.3 03 50.94 +21 14.3 1.656 2.456 -0.15 + 5.0 18.5 5.4/337 135.6 16.3 79/1.74 72 .28 15 03 46.48 +21 54.9 03 49.42 +22 04.0 1.727 2.431 +0.17 + 5.4 18.5 5.9/ 24 125.2 19.3 79/1.98 68 .99 25 03 48.18 +22 48.7 03 51.13 +22 57.7 1.812 2.407 +0.49 + 5.7 18.6 8.8/ 49 115.6 21.6 79/2.11 171 .22 Feb. 4 03 53.03 +23 46.1 03 56.02 +23 54.8 1.906 2.385 +0.78 + 5.9 18.7 12.2/ 61 106.8 23.3 79/2.17 34 .35 14 04 00.83 +24 45.8 04 03.84 +24 54.0 2.006 2.365 +1.05 + 6.0 18.8 15.4/ 67 98.6 24.4 79/2.16 98 .98 24 04 11.27 +25 46.2 04 14.32 +25 53.8 2.110 2.346 +1.28 + 5.8 18.8 18.2/ 71 91.0 24.9 80/2.11 143 .19 Mar. 6 04 24.09 +26 45.5 04 27.16 +26 52.2 2.214 2.330 +1.49 + 5.5 18.9 20.7/ 74 84.0 25.1 80/2.03 3 .42 16 04 38.99 +27 41.6 04 42.10 +27 47.2 2.317 2.315 +1.68 + 5.0 19.0 22.7/ 76 77.5 24.8 81/1.92 121 .97 26 04 55.71 +28 32.5 04 58.86 +28 37.0 2.417 2.303 +1.83 + 4.3 19.0 24.5/ 79 71.4 24.2 82/1.81 119 .16 Apr. 5 05 14.03 +29 16.4 05 17.21 +29 19.6 2.515 2.292 +1.97 + 3.4 19.1 25.9/ 81 65.7 23.4 83/1.69 23 .49 15 05 33.70 +29 51.5 05 36.90 +29 53.3 2.609 2.284 +2.08 + 2.3 19.2 27.1/ 84 60.2 22.4 84/1.56 142 .96 25 05 54.49 +30 16.3 05 57.71 +30 16.6 2.699 2.278 +2.17 + 1.2 19.2 28.1/ 86 55.1 21.2 85/1.44 94 .11 May 5 06 16.21 +30 29.6 06 19.42 +30 28.3 2.784 2.274 +2.24 - 0.1 19.3 28.9/ 89 50.2 19.9 86/1.31 45 .54 15 06 38.59 +30 30.4 06 41.80 +30 27.5 2.864 2.272 +2.28 - 1.4 19.3 29.6/ 91 45.5 18.5 87/1.19 160 .95 25 07 01.45 +30 18.2 07 04.64 +30 13.7 2.939 2.273 +2.31 - 2.7 19.4 30.1/ 94 40.9 17.0 88/1.07 70 .07 June 4 07 24.59 +29 52.9 07 27.74 +29 46.7 3.010 2.276 +2.32 - 4.0 19.5 30.5/ 96 36.5 15.4 88/0.95 64 .58 14 07 47.80 +29 14.5 07 50.91 +29 06.8 3.075 2.281 +2.31 - 5.2 19.5 30.8/ 98 32.3 13.8 88/0.83 176 .93 24 08 10.92 +28 23.5 08 13.98 +28 14.4 3.135 2.289 +2.28 - 6.4 19.6 31.0/101 28.1 12.1 87/0.72 47 .03 July 4 08 33.82 +27 20.9 08 36.83 +27 10.4 3.189 2.299 +2.25 - 7.5 19.6 31.1/103 24.1 10.4 86/0.61 81 .61 14 08 56.37 +26 07.6 08 59.32 +25 55.9 3.238 2.310 +2.21 - 8.4 19.7 31.1/104 20.2 8.7 83/0.51 159 .89 24 09 18.50 +24 44.9 09 21.40 +24 32.1 3.281 2.324 +2.16 - 9.2 19.7 31.0/106 16.5 7.1 77/0.41 25 .01 Aug. 3 09 40.16 +23 14.1 09 42.99 +23 00.3 3.317 2.340 +2.11 - 9.8 19.8 30.9/108 13.1 5.6 68/0.32 97 .64 13 10 01.29 +21 36.7 10 04.06 +21 22.1 3.348 2.358 +2.05 -10.3 19.8 30.6/109 10.4 4.4 52/0.25 137 .84 23 10 21.88 +19 54.2 10 24.60 +19 39.0 3.371 2.378 +2.00 -10.7 19.9 30.3/110 9.1 3.9 28/0.22 8 .00 Sept. 2 10 41.92 +18 08.1 10 44.60 +17 52.4 3.387 2.399 +1.95 -10.9 20.0 29.9/111 9.8 4.1 1/0.23 113 .66 12 11 01.42 +16 20.0 11 04.06 +16 03.8 3.396 2.423 +1.89 -10.9 20.0 29.5/111 12.4 5.1 341/0.28 113 .77 22 11 20.38 +14 31.1 11 22.99 +14 14.6 3.396 2.447 +1.84 -10.8 20.0 28.9/111 16.0 6.5 329/0.36 18 .00 Oct. 2 11 38.80 +12 43.0 11 41.38 +12 26.4 3.388 2.473 +1.79 -10.6 20.1 28.3/112 20.3 8.1 321/0.45 131 .70 12 11 56.68 +10 57.0 11 59.24 +10 40.3 3.371 2.501 +1.73 -10.3 20.1 27.6/111 24.9 9.7 316/0.54 89 .69 22 12 14.01 +09 14.3 12 16.56 +08 57.6 3.344 2.530 +1.68 - 9.8 20.2 26.7/111 29.8 11.3 311/0.63 36 .00 Nov. 1 12 30.77 +07 36.2 12 33.31 +07 19.7 3.308 2.560 +1.61 - 9.2 20.2 25.8/111 35.0 12.9 308/0.73 150 .73 11 12 46.92 +06 03.9 12 49.45 +05 47.5 3.263 2.591 +1.55 - 8.5 20.2 24.7/110 40.5 14.4 305/0.82 66 .63 21 13 02.41 +04 38.3 13 04.95 +04 22.3 3.207 2.623 +1.48 - 7.7 20.2 23.4/109 46.2 15.8 303/0.91 55 .01 Dec. 1 13 17.15 +03 20.7 13 19.70 +03 05.0 3.143 2.656 +1.39 - 6.9 20.2 21.9/108 52.3 17.1 301/1.01 166 .78 11 13 31.06 +02 11.8 13 33.61 +01 56.4 3.069 2.690 +1.30 - 5.9 20.2 20.3/107 58.5 18.2 299/1.09 43 .59 21 13 44.01 +01 12.5 13 46.57 +00 57.5 2.987 2.724 +1.18 - 4.9 20.2 18.4/105 65.2 19.1 297/1.18 76 .01 31 13 55.85 +00 23.5 13 58.41 +00 08.9 2.899 2.760 +1.05 - 3.8 20.2 16.3/103 72.1 19.8 294/1.26 151 .84 2026 Jan. 10 14 06.39 -00 14.7 14 08.96 -00 28.9 2.804 2.796 +0.91 - 2.7 20.2 13.8/101 79.4 20.2 292/1.32 23 .56 20 14 15.44 -00 41.6 14 18.01 -00 55.4 2.706 2.832 +0.73 - 1.5 20.2 11.1/ 98 87.1 20.3 290/1.37 101 .01 30 14 22.77 -00 57.1 14 25.34 -01 10.6 2.606 2.869 +0.54 - 0.4 20.2 8.1/ 93 95.2 20.0 288/1.40 122 .89 Feb. 9 14 28.15 -01 01.3 14 30.73 -01 14.6 2.508 2.906 +0.32 + 0.7 20.1 4.9/ 82 103.8 19.3 286/1.40 20 .55 19 14 31.38 -00 54.9 14 33.96 -01 08.1 2.415 2.943 +0.09 + 1.6 20.1 2.1/ 40 112.8 18.0 283/1.36 130 .03 Mar. 1 14 32.29 -00 39.0 14 34.86 -00 52.1 2.331 2.981 -0.15 + 2.3 20.1 3.2/317 122.4 16.3 280/1.27 87 .93