250P/Larson Orbit by S. Nakano NK 5020 (2023) Last obs. 2019 06 02 (F51)

Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 May 17.26985 2.2696192 0.3987461 7.33 45.91618 73.31108 13.15245 0.200 2024 Mar. 31.0 m1 = 13.5 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2023 Dec. 22 23 39.01 -15 31.1 23 41.60 -15 14.4 3.859 3.819 -0.38 - 2.7 22.3 10.4/ 48 80.4 14.7 68/0.72 40 .74 2024 Jan. 1 23 44.30 -14 20.7 23 46.88 -14 04.0 3.970 3.784 -0.37 - 2.7 22.3 12.1/ 52 72.0 14.3 70/0.68 163 .78 11 23 50.80 -13 05.3 23 53.37 -12 48.6 4.075 3.749 -0.36 - 2.7 22.3 13.6/ 55 64.0 13.6 72/0.63 70 .01 21 23 58.36 -11 45.7 00 00.92 -11 29.0 4.170 3.713 -0.36 - 2.8 22.3 15.0/ 57 56.2 12.7 73/0.58 71 .79 31 00 06.84 -10 22.9 00 09.39 -10 06.2 4.252 3.677 -0.36 - 2.9 22.3 16.1/ 58 48.7 11.6 75/0.52 167 .77 Feb. 10 00 16.11 -08 57.6 00 18.66 -08 40.9 4.322 3.641 -0.36 - 3.0 22.3 17.2/ 60 41.4 10.3 78/0.45 40 .00 20 00 26.06 -07 30.4 00 28.61 -07 13.8 4.377 3.604 -0.36 - 3.0 22.3 18.0/ 61 34.4 8.9 81/0.39 97 .82 Mar. 1 00 36.59 -06 02.1 00 39.14 -05 45.6 4.416 3.567 -0.36 - 3.1 22.2 18.7/ 62 27.6 7.4 85/0.32 145 .75 11 00 47.63 -04 33.2 00 50.18 -04 16.9 4.438 3.530 -0.37 - 3.2 22.2 19.3/ 63 21.2 5.8 91/0.25 13 .01 21 00 59.10 -03 04.3 01 01.65 -02 48.2 4.444 3.493 -0.38 - 3.3 22.2 19.8/ 64 15.2 4.3 101/0.18 121 .84 31 01 10.93 -01 36.0 01 13.49 -01 20.1 4.433 3.455 -0.39 - 3.4 22.1 20.2/ 65 10.3 3.0 122/0.13 121 .72 Apr. 10 01 23.09 -00 08.8 01 25.65 +00 06.8 4.406 3.417 -0.40 - 3.6 22.1 20.5/ 65 8.3 2.4 161/0.10 20 .02 20 01 35.51 +01 16.8 01 38.08 +01 32.1 4.362 3.379 -0.41 - 3.7 22.0 20.7/ 66 10.5 3.1 199/0.14 143 .86 30 01 48.15 +02 40.3 01 50.74 +02 55.2 4.303 3.341 -0.43 - 3.8 21.9 20.8/ 67 15.2 4.5 218/0.20 95 .66 May 10 02 00.97 +04 01.2 02 03.58 +04 15.6 4.228 3.303 -0.45 - 3.9 21.8 20.9/ 68 20.7 6.2 229/0.28 45 .05 20 02 13.93 +05 19.1 02 16.55 +05 32.9 4.139 3.264 -0.47 - 4.0 21.7 20.8/ 69 26.4 7.9 235/0.36 163 .88 30 02 26.97 +06 33.4 02 29.61 +06 46.7 4.037 3.226 -0.49 - 4.1 21.6 20.7/ 70 32.3 9.7 239/0.45 68 .58 June 9 02 40.05 +07 43.9 02 42.71 +07 56.6 3.923 3.188 -0.52 - 4.3 21.5 20.5/ 71 38.2 11.4 243/0.55 69 .07 19 02 53.10 +08 50.1 02 55.78 +09 02.2 3.797 3.149 -0.55 - 4.4 21.4 20.1/ 72 44.2 13.0 246/0.65 168 .90 29 03 06.05 +09 51.8 03 08.75 +10 03.2 3.661 3.111 -0.59 - 4.5 21.2 19.7/ 73 50.2 14.5 248/0.75 40 .49 July 9 03 18.82 +10 48.7 03 21.55 +10 59.5 3.516 3.072 -0.63 - 4.7 21.1 19.1/ 74 56.4 16.0 250/0.85 92 .09 19 03 31.30 +11 40.7 03 34.04 +11 50.7 3.364 3.034 -0.67 - 4.8 21.0 18.3/ 75 62.6 17.3 252/0.96 147 .92 29 03 43.36 +12 27.7 03 46.13 +12 37.0 3.205 2.996 -0.72 - 5.0 20.8 17.4/ 76 69.0 18.5 254/1.07 14 .40 Aug. 8 03 54.87 +13 09.7 03 57.66 +13 18.3 3.041 2.958 -0.77 - 5.2 20.6 16.1/ 77 75.7 19.4 256/1.18 115 .11 18 04 05.64 +13 47.1 04 08.44 +13 55.0 2.875 2.920 -0.83 - 5.4 20.4 14.7/ 77 82.5 20.1 258/1.29 121 .95 28 04 15.46 +14 20.1 04 18.28 +14 27.4 2.707 2.883 -0.90 - 5.6 20.3 12.9/ 77 89.6 20.5 260/1.39 23 .33 Sept. 7 04 24.08 +14 49.4 04 26.91 +14 56.1 2.540 2.846 -0.97 - 5.9 20.1 10.7/ 76 97.1 20.6 262/1.48 139 .13 17 04 31.21 +15 15.8 04 34.05 +15 22.0 2.376 2.809 -1.06 - 6.2 19.9 8.1/ 73 105.0 20.2 263/1.55 90 .98 27 04 36.55 +15 40.2 04 39.40 +15 46.1 2.218 2.773 -1.15 - 6.6 19.7 5.2/ 63 113.4 19.4 265/1.59 51 .28 Oct. 7 04 39.74 +16 03.9 04 42.61 +16 09.5 2.069 2.738 -1.25 - 7.0 19.5 2.6/ 25 122.3 18.0 266/1.57 165 .15 17 04 40.50 +16 27.9 04 43.37 +16 33.5 1.933 2.703 -1.35 - 7.5 19.2 3.7/314 131.9 15.9 267/1.49 55 1.00 27 04 38.60 +16 53.5 04 41.48 +16 59.2 1.812 2.668 -1.46 - 8.1 19.1 7.2/293 142.2 13.2 269/1.31 83 .25 Nov. 6 04 34.00 +17 21.3 04 36.89 +17 27.3 1.712 2.635 -1.54 - 8.7 18.9 10.5/287 153.2 9.8 271/1.03 154 .18 16 04 27.00 +17 51.8 04 29.90 +17 58.3 1.635 2.603 -1.61 - 9.4 18.7 12.9/285 164.7 5.7 275/0.64 15 1.00 26 04 18.26 +18 24.9 04 21.16 +18 32.0 1.586 2.571 -1.64 - 9.9 18.6 13.9/285 176.0 1.5 302/0.18 119 .24 Dec. 6 04 08.80 +19 00.5 04 11.70 +19 08.2 1.564 2.541 -1.63 -10.4 18.5 13.2/287 170.3 3.7 68/0.41 114 .23 16 03 59.88 +19 38.8 04 02.79 +19 47.0 1.570 2.511 -1.59 -10.7 18.5 11.0/293 158.4 8.3 77/0.92 30 .99 26 03 52.65 +20 20.1 03 55.57 +20 28.8 1.602 2.483 -1.52 -10.7 18.5 7.9/305 146.7 12.6 79/1.37 156 .23 2025 Jan. 5 03 48.01 +21 05.3 03 50.94 +21 14.3 1.656 2.456 -1.44 -10.6 18.5 5.4/337 135.6 16.3 79/1.72 72 .28 15 03 46.48 +21 54.9 03 49.42 +22 04.0 1.727 2.431 -1.36 -10.3 18.5 5.9/ 24 125.2 19.3 79/1.96 68 .99 25 03 48.18 +22 48.7 03 51.13 +22 57.7 1.812 2.407 -1.29 - 9.9 18.6 8.8/ 49 115.6 21.6 79/2.10 171 .22 Feb. 4 03 53.03 +23 46.1 03 56.02 +23 54.8 1.906 2.385 -1.23 - 9.4 18.7 12.2/ 61 106.8 23.3 79/2.16 34 .35 14 04 00.83 +24 45.8 04 03.84 +24 54.0 2.006 2.365 -1.19 - 8.9 18.8 15.4/ 67 98.6 24.4 80/2.16 98 .98 24 04 11.27 +25 46.2 04 14.32 +25 53.8 2.110 2.346 -1.17 - 8.3 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 -1.15 - 7.7 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 -1.15 - 7.0 19.0 22.7/ 76 77.5 24.8 81/1.93 121 .97 26 04 55.71 +28 32.5 04 58.86 +28 37.0 2.417 2.303 -1.15 - 6.3 19.0 24.5/ 79 71.4 24.2 82/1.82 119 .16

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