280P/Larsen Orbit by T. Kobayashi NK 4275 (2020) Last obs. 2014 06 21 (Q62)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Aug. 4.62316 2.6401954 0.4170615 9.64 104.72172 131.38155 11.77217 0.200 2023 Sep. 13.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 13 21.32 +00 49.6 13 23.88 +00 34.0 3.104 3.019 -0.80 + 3.8 20.8 17.1/ 98 75.9 18.4 294/1.10 126 .18 2023 Jan. 6 13 32.61 +00 25.0 13 35.17 +00 09.6 2.942 2.989 -0.85 + 4.1 20.6 15.6/ 95 83.2 19.1 293/1.20 106 .99 16 13 43.00 +00 11.3 13 45.56 -00 03.7 2.779 2.960 -0.91 + 4.3 20.4 13.9/ 90 90.7 19.4 291/1.28 15 .41 26 13 52.27 +00 10.0 13 54.83 -00 04.7 2.619 2.932 -0.97 + 4.7 20.3 11.9/ 84 98.6 19.4 289/1.36 155 .23 Feb. 5 14 00.17 +00 21.9 14 02.73 +00 07.5 2.463 2.904 -1.04 + 5.0 20.1 9.8/ 75 106.7 19.0 287/1.40 81 .99 15 14 06.48 +00 47.3 14 09.03 +00 33.1 2.316 2.878 -1.11 + 5.4 19.9 7.7/ 59 115.1 18.1 284/1.42 45 .36 25 14 10.92 +01 26.3 14 13.47 +01 12.3 2.180 2.853 -1.19 + 5.8 19.7 6.2/ 35 123.9 16.7 281/1.39 164 .27 Mar. 7 14 13.29 +02 17.5 14 15.83 +02 03.6 2.058 2.829 -1.27 + 6.2 19.6 6.1/ 3 133.0 14.9 276/1.31 51 1.00 17 14 13.50 +03 18.5 14 16.03 +03 04.6 1.953 2.806 -1.35 + 6.5 19.4 7.3/336 142.2 12.6 269/1.16 82 .29 27 14 11.57 +04 25.0 14 14.09 +04 11.0 1.869 2.784 -1.42 + 6.8 19.3 8.7/319 151.0 10.0 258/0.96 134 .30 Apr. 6 14 07.78 +05 31.2 14 10.28 +05 17.1 1.808 2.764 -1.47 + 6.9 19.2 9.7/308 158.5 7.6 238/0.76 21 1.00 16 14 02.63 +06 30.4 14 05.13 +06 16.1 1.773 2.745 -1.50 + 6.8 19.1 9.8/298 162.2 6.4 206/0.65 123 .22 26 13 56.83 +07 16.0 13 59.33 +07 01.5 1.762 2.727 -1.50 + 6.6 19.1 8.7/288 159.5 7.4 171/0.76 99 .32 May 6 13 51.23 +07 42.6 13 53.72 +07 27.8 1.776 2.711 -1.48 + 6.3 19.1 6.9/274 152.5 9.9 150/1.00 31 1.00 16 13 46.59 +07 47.4 13 49.08 +07 32.5 1.813 2.697 -1.43 + 6.0 19.1 4.9/249 143.9 12.8 137/1.26 160 .15 26 13 43.52 +07 29.9 13 46.02 +07 14.9 1.870 2.684 -1.37 + 5.7 19.1 4.1/203 135.0 15.5 130/1.48 65 .35 June 5 13 42.43 +06 51.7 13 44.93 +06 36.7 1.944 2.672 -1.30 + 5.5 19.2 5.8/164 126.3 17.8 124/1.64 66 .99 15 13 43.47 +05 55.8 13 45.98 +05 40.8 2.031 2.663 -1.23 + 5.3 19.3 8.5/146 117.9 19.7 120/1.74 152 .10 25 13 46.65 +04 45.2 13 49.17 +04 30.3 2.129 2.655 -1.17 + 5.1 19.4 11.3/136 110.0 21.1 117/1.78 37 .37 July 5 13 51.85 +03 23.2 13 54.38 +03 08.5 2.234 2.648 -1.11 + 5.0 19.5 13.9/130 102.6 22.0 114/1.77 99 .96 15 13 58.90 +01 52.7 14 01.44 +01 38.2 2.344 2.644 -1.06 + 4.9 19.6 16.2/126 95.5 22.5 112/1.73 125 .07 25 14 07.61 +00 16.2 14 10.17 +00 02.0 2.459 2.641 -1.01 + 4.8 19.7 18.3/123 88.8 22.6 110/1.67 15 .41 Aug. 4 14 17.80 -01 24.0 14 20.38 -01 37.8 2.574 2.640 -0.98 + 4.7 19.8 20.0/120 82.5 22.4 108/1.58 129 .92 14 14 29.30 -03 06.0 14 31.90 -03 19.2 2.690 2.641 -0.94 + 4.6 19.9 21.5/118 76.3 21.9 106/1.48 101 .05 24 14 41.97 -04 48.0 14 44.60 -05 00.7 2.806 2.644 -0.92 + 4.5 20.0 22.8/116 70.4 21.1 104/1.38 20 .46 Sept. 3 14 55.68 -06 28.5 14 58.33 -06 40.5 2.919 2.648 -0.89 + 4.3 20.1 23.8/114 64.6 20.1 102/1.27 155 .88 13 15 10.30 -08 06.1 15 12.98 -08 17.3 3.029 2.654 -0.87 + 4.2 20.1 24.7/112 58.9 19.0 100/1.16 80 .04 23 15 25.75 -09 39.5 15 28.46 -09 49.8 3.136 2.662 -0.86 + 4.0 20.2 25.4/110 53.4 17.6 98/1.04 42 .52 Oct. 3 15 41.92 -11 07.5 15 44.66 -11 16.9 3.237 2.671 -0.84 + 3.7 20.3 26.0/108 47.9 16.1 95/0.93 169 .84 13 15 58.73 -12 29.1 16 01.51 -12 37.4 3.334 2.682 -0.83 + 3.5 20.4 26.4/107 42.4 14.5 93/0.81 61 .03 23 16 16.11 -13 43.3 16 18.91 -13 50.6 3.423 2.695 -0.82 + 3.2 20.5 26.8/105 36.9 12.8 90/0.70 66 .60 Nov. 2 16 33.94 -14 49.4 16 36.78 -14 55.4 3.505 2.709 -0.81 + 3.0 20.6 27.0/103 31.5 11.0 87/0.59 156 .81 12 16 52.15 -15 46.6 16 55.01 -15 51.4 3.579 2.725 -0.80 + 2.7 20.6 27.1/101 26.1 9.2 83/0.48 42 .02 22 17 10.64 -16 34.6 17 13.53 -16 38.0 3.644 2.742 -0.79 + 2.4 20.7 27.1/ 99 20.7 7.3 77/0.38 91 .67 Dec. 2 17 29.30 -17 12.8 17 32.20 -17 15.0 3.700 2.761 -0.78 + 2.1 20.8 27.0/ 96 15.3 5.4 70/0.28 138 .79 12 17 48.04 -17 41.3 17 50.95 -17 42.1 3.745 2.781 -0.77 + 1.8 20.8 26.8/ 94 10.2 3.6 57/0.18 23 .01 22 18 06.74 -18 00.2 18 09.66 -17 59.6 3.779 2.803 -0.75 + 1.5 20.9 26.5/ 92 6.1 2.1 26/0.11 116 .74 2024 Jan. 1 18 25.30 -18 09.6 18 28.22 -18 07.6 3.802 2.826 -0.74 + 1.3 20.9 26.1/ 91 5.9 2.1 327/0.10 121 .78 11 18 43.60 -18 10.0 18 46.52 -18 06.8 3.813 2.850 -0.73 + 1.0 21.0 25.6/ 89 10.1 3.5 294/0.17 10 .01 21 19 01.56 -18 02.2 19 04.47 -17 57.7 3.811 2.875 -0.72 + 0.8 21.0 25.0/ 87 15.4 5.2 281/0.26 139 .79 31 19 19.06 -17 47.0 19 21.95 -17 41.2 3.798 2.901 -0.71 + 0.6 21.0 24.3/ 85 21.2 7.0 273/0.35 102 .77 Feb. 10 19 36.01 -17 25.3 19 38.89 -17 18.4 3.772 2.928 -0.69 + 0.4 21.0 23.5/ 84 27.1 8.8 269/0.44 29 .00 20 19 52.33 -16 58.2 19 55.19 -16 50.3 3.734 2.956 -0.68 + 0.2 21.1 22.6/ 82 33.2 10.5 265/0.53 161 .82 Mar. 1 20 07.91 -16 27.1 20 10.75 -16 18.2 3.684 2.985 -0.67 0.0 21.1 21.6/ 81 39.4 12.2 262/0.62 81 .75 11 20 22.69 -15 53.2 20 25.51 -15 43.4 3.622 3.015 -0.67 - 0.1 21.1 20.4/ 80 45.8 13.7 260/0.71 55 .01 21 20 36.57 -15 18.0 20 39.37 -15 07.3 3.551 3.046 -0.66 - 0.2 21.1 19.0/ 80 52.3 15.0 258/0.79 170 .84 31 20 49.46 -14 42.8 20 52.24 -14 31.5 3.469 3.077 -0.66 - 0.3 21.1 17.5/ 79 59.0 16.2 256/0.87 57 .72