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. 4.71903 2.6397605 0.4172849 9.64 104.74542 131.39231 11.77330 0.200 2022 Aug. 9.0 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 Jan. 1 09 08.32 +15 31.6 09 11.09 +15 19.3 3.463 4.303 -0.55 + 0.8 22.5 7.4/299 144.6 7.6 288/0.42 120 .05 11 09 03.78 +16 06.9 09 06.56 +15 54.8 3.350 4.268 -0.57 + 0.8 22.4 9.2/297 156.1 5.4 288/0.30 100 .62 21 08 58.08 +16 47.8 09 00.88 +16 36.0 3.265 4.232 -0.58 + 0.7 22.3 10.2/296 167.7 2.8 288/0.17 23 .91 31 08 51.63 +17 31.9 08 54.45 +17 20.4 3.211 4.196 -0.59 + 0.6 22.3 10.5/295 179.6 0.1 294/0.01 162 .02 Feb. 10 08 44.95 +18 16.3 08 47.79 +18 05.2 3.189 4.161 -0.58 + 0.5 22.2 9.9/296 168.5 2.7 106/0.16 63 .63 20 08 38.63 +18 58.3 08 41.49 +18 47.6 3.197 4.124 -0.58 + 0.3 22.2 8.6/296 156.8 5.4 106/0.32 63 .88 Mar. 2 08 33.19 +19 35.6 08 36.06 +19 25.2 3.234 4.088 -0.56 + 0.2 22.2 6.6/299 145.3 7.9 106/0.46 155 .01 12 08 29.08 +20 06.7 08 31.97 +19 56.5 3.295 4.052 -0.55 + 0.1 22.2 4.2/305 134.3 10.1 105/0.58 28 .64 22 08 26.60 +20 30.7 08 29.49 +20 20.6 3.377 4.015 -0.53 0.0 22.2 1.9/329 123.7 11.9 105/0.66 104 .84 Apr. 1 08 25.90 +20 47.3 08 28.79 +20 37.3 3.473 3.978 -0.51 0.0 22.2 1.8/ 59 113.5 13.3 105/0.72 117 .00 11 08 27.01 +20 56.6 08 29.91 +20 46.5 3.579 3.942 -0.49 0.0 22.2 4.0/ 87 103.9 14.3 104/0.75 6 .66 21 08 29.86 +20 58.8 08 32.76 +20 48.6 3.691 3.905 -0.48 0.0 22.3 6.3/ 94 94.8 14.9 104/0.76 142 .77 May 1 08 34.33 +20 54.3 08 37.23 +20 43.8 3.804 3.868 -0.47 0.0 22.3 8.4/ 98 86.0 15.1 104/0.74 84 .00 11 08 40.28 +20 43.3 08 43.16 +20 32.5 3.916 3.831 -0.46 + 0.1 22.3 10.3/100 77.8 14.9 105/0.72 35 .69 21 08 47.52 +20 26.1 08 50.39 +20 14.8 4.022 3.794 -0.46 + 0.2 22.3 12.0/101 69.8 14.5 105/0.68 176 .70 31 08 55.89 +20 02.8 08 58.74 +19 51.2 4.120 3.757 -0.45 + 0.3 22.3 13.5/102 62.2 13.8 105/0.63 56 .00 June 10 09 05.24 +19 33.9 09 08.08 +19 21.7 4.209 3.720 -0.45 + 0.4 22.3 14.8/103 54.9 12.9 105/0.58 64 .74 20 09 15.43 +18 59.4 09 18.24 +18 46.7 4.286 3.682 -0.45 + 0.5 22.3 16.0/104 47.9 11.8 105/0.52 152 .62 30 09 26.33 +18 19.6 09 29.11 +18 06.5 4.351 3.645 -0.45 + 0.6 22.3 17.0/105 41.0 10.5 105/0.46 31 .01 July 10 09 37.82 +17 34.8 09 40.59 +17 21.2 4.402 3.608 -0.46 + 0.8 22.3 17.9/106 34.4 9.2 104/0.40 93 .80 20 09 49.82 +16 45.4 09 52.56 +16 31.3 4.438 3.571 -0.46 + 0.9 22.3 18.7/106 27.9 7.6 103/0.33 125 .56 30 10 02.24 +15 51.6 10 04.95 +15 37.1 4.459 3.535 -0.47 + 1.1 22.2 19.3/107 21.5 6.0 101/0.26 7 .02 Aug. 9 10 15.00 +14 54.0 10 17.69 +14 38.9 4.465 3.498 -0.48 + 1.2 22.2 19.9/108 15.3 4.4 97/0.19 122 .86 19 10 28.04 +13 52.8 10 30.71 +13 37.4 4.456 3.461 -0.49 + 1.4 22.1 20.4/108 9.5 2.8 87/0.12 101 .52 29 10 41.32 +12 48.8 10 43.96 +12 33.0 4.431 3.425 -0.50 + 1.5 22.1 20.8/108 4.8 1.4 52/0.06 17 .03 Sept. 8 10 54.78 +11 42.3 10 57.40 +11 26.3 4.390 3.389 -0.51 + 1.7 22.0 21.1/109 5.8 1.7 341/0.08 151 .92 18 11 08.37 +10 34.2 11 10.98 +10 17.9 4.334 3.353 -0.52 + 1.9 21.9 21.4/109 11.1 3.3 318/0.15 79 .49 28 11 22.07 +09 25.0 11 24.66 +09 08.5 4.263 3.318 -0.54 + 2.0 21.9 21.5/109 17.0 5.1 310/0.23 42 .05 Oct. 8 11 35.82 +08 15.6 11 38.40 +07 59.0 4.179 3.283 -0.56 + 2.2 21.8 21.6/108 23.1 6.9 306/0.31 178 .96 18 11 49.59 +07 06.9 11 52.16 +06 50.2 4.080 3.248 -0.58 + 2.4 21.7 21.6/108 29.3 8.6 303/0.40 58 .47 28 12 03.33 +05 59.6 12 05.89 +05 42.9 3.969 3.214 -0.60 + 2.6 21.6 21.4/107 35.6 10.4 302/0.50 69 .08 Nov. 7 12 16.98 +04 54.9 12 19.54 +04 38.3 3.847 3.180 -0.62 + 2.7 21.4 21.1/107 42.0 12.0 300/0.59 155 .98 17 12 30.49 +03 53.9 12 33.04 +03 37.3 3.713 3.146 -0.65 + 2.9 21.3 20.7/106 48.5 13.6 299/0.69 37 .46 27 12 43.78 +02 57.6 12 46.34 +02 41.2 3.571 3.114 -0.68 + 3.1 21.2 20.1/104 55.1 15.1 298/0.79 97 .13 Dec. 7 12 56.76 +02 07.3 12 59.31 +01 51.1 3.421 3.081 -0.72 + 3.3 21.1 19.3/103 61.9 16.4 297/0.89 131 .99 17 13 09.32 +01 24.2 13 11.87 +01 08.3 3.265 3.050 -0.76 + 3.5 20.9 18.3/101 68.8 17.5 296/1.00 15 .44 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 7.6 238/0.75 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 6.4 205/0.65 123 .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