C/2021 T4 (Lemmon) Orbit by S. Nakano NK 4874 (2022) Observed in 1st half of 2023
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 July 31.53639 1.4832389 0.9998749 329.82200 257.88322 160.77658 0.200 2023 Sep. 13.0 m1 = 6.5 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 00 39.25 -13 58.9 00 41.76 -13 42.4 3.008 3.151 -0.83 - 0.4 13.9 12.2/268 89.2 18.2 66/1.11 40 .18 2023 Jan. 6 00 30.89 -14 03.3 00 33.41 -13 46.7 3.109 3.052 -0.59 + 0.8 13.8 8.6/275 77.5 18.3 70/1.09 93 .99 16 00 25.02 -13 55.8 00 27.56 -13 39.2 3.204 2.952 -0.37 + 1.6 13.7 5.6/286 66.4 17.8 73/1.03 142 .41 26 00 21.33 -13 39.9 00 23.87 -13 23.3 3.285 2.852 -0.19 + 2.1 13.6 3.5/308 55.9 16.6 76/0.94 12 .23 Feb. 5 00 19.46 -13 18.6 00 21.99 -13 02.0 3.345 2.752 -0.04 + 2.4 13.5 2.5/347 45.9 14.9 80/0.83 127 .99 15 00 19.06 -12 54.2 00 21.60 -12 37.6 3.381 2.653 +0.08 + 2.6 13.4 2.8/ 24 36.5 12.8 85/0.71 106 .36 25 00 19.85 -12 28.6 00 22.39 -12 12.0 3.389 2.554 +0.17 + 2.5 13.2 3.5/ 45 27.6 10.4 93/0.57 40 .27 Mar. 7 00 21.56 -12 03.6 00 24.10 -11 47.0 3.366 2.456 +0.24 + 2.3 13.0 4.2/ 57 19.8 7.9 107/0.44 158 1.00 17 00 23.95 -11 40.7 00 26.48 -11 24.1 3.310 2.359 +0.29 + 1.9 12.8 4.6/ 66 14.2 6.0 133/0.34 70 .29 27 00 26.81 -11 21.6 00 29.34 -11 05.0 3.221 2.263 +0.31 + 1.4 12.6 4.8/ 74 13.5 5.9 171/0.35 71 .30 Apr. 6 00 29.92 -11 08.0 00 32.46 -10 51.5 3.097 2.169 +0.32 + 0.6 12.3 4.7/ 83 18.1 8.2 201/0.50 165 1.00 16 00 33.11 -11 02.1 00 35.64 -10 45.5 2.940 2.077 +0.30 - 0.4 12.0 4.5/ 96 25.2 11.9 216/0.75 34 .22 26 00 36.15 -11 06.4 00 38.67 -10 49.9 2.751 1.989 +0.26 - 1.9 11.7 4.3/116 33.3 16.1 224/1.08 101 .32 May 6 00 38.78 -11 25.0 00 41.30 -11 08.6 2.530 1.904 +0.19 - 3.8 11.3 4.7/144 42.0 20.8 230/1.50 134 1.00 16 00 40.68 -12 03.4 00 43.20 -11 47.0 2.280 1.823 +0.07 - 6.7 10.9 6.8/172 51.1 25.6 234/2.01 13 .15 26 00 41.33 -13 10.9 00 43.85 -12 54.4 2.005 1.748 -0.15 -11.2 10.4 11.4/191 60.7 30.3 237/2.66 131 .35 June 5 00 39.87 -15 03.3 00 42.38 -14 46.8 1.709 1.680 -0.53 -18.7 9.9 20.2/202 71.1 34.8 239/3.49 97 .99 15 00 34.59 -18 10.6 00 37.10 -17 54.1 1.398 1.620 -1.31 -32.5 9.3 37.3/209 82.7 38.4 243/4.57 49 .10 25 00 21.44 -23 35.5 00 23.95 -23 18.9 1.084 1.570 -3.31 -59.5 8.6 73.8/214 96.6 40.0 247/5.94 159 .37 July 5 23 48.22 -33 30.4 23 50.81 -33 13.7 0.791 1.530 -10.21 -99.1 7.8 150.3/221 115.0 37.0 258/7.22 45 .96 15 22 05.55 -49 59.6 22 08.73 -49 44.9 0.579 1.501 -24.51 -21.5 7.1 222.6/240 138.8 26.5 299/6.71 121 .07 25 17 59.57 -53 19.9 18 03.63 -53 19.8 0.566 1.486 -12.81 +92.0 7.0 160.6/292 138.1 27.2 50/7.00 73 .41 Aug. 4 15 52.24 -37 51.0 15 55.54 -37 59.8 0.761 1.484 -4.01 +62.3 7.6 80.1/318 112.6 39.2 95/7.84 97 .92 14 15 12.43 -27 25.7 15 15.43 -27 36.8 1.046 1.495 -1.56 +35.1 8.3 41.0/328 93.1 42.6 105/6.47 120 .05 24 14 56.99 -21 34.3 14 59.86 -21 46.2 1.353 1.520 -0.64 +21.1 9.0 23.0/337 78.5 40.7 107/4.95 7 .46 Sept. 3 14 50.65 -18 02.9 14 53.46 -18 15.2 1.656 1.556 -0.21 +13.7 9.5 14.0/348 66.4 36.4 108/3.74 154 .88 13 14 48.63 -15 45.7 14 51.41 -15 58.0 1.942 1.604 +0.04 + 9.5 10.0 9.5/ 3 55.5 31.2 107/2.80 78 .04 23 14 49.01 -14 10.8 14 51.77 -14 23.1 2.203 1.661 +0.18 + 7.0 10.4 7.5/ 21 45.4 25.5 105/2.07 47 .52 Oct. 3 14 50.82 -13 01.1 14 53.56 -13 13.3 2.436 1.727 +0.27 + 5.5 10.8 6.7/ 36 35.8 19.8 102/1.48 167 .84 13 14 53.52 -12 06.7 14 56.24 -12 18.7 2.637 1.799 +0.32 + 4.6 11.2 6.6/ 46 26.5 14.3 98/1.00 46 .03 23 14 56.76 -11 21.2 14 59.48 -11 33.1 2.803 1.878 +0.35 + 4.1 11.5 6.6/ 51 17.6 9.2 90/0.61 85 .60 Nov. 2 15 00.25 -10 40.1 15 02.96 -10 51.8 2.933 1.962 +0.35 + 4.0 11.8 6.6/ 52 9.6 4.9 67/0.31 134 .81 12 15 03.79 -10 00.0 15 06.49 -10 11.6 3.028 2.050 +0.33 + 4.2 12.0 6.5/ 50 7.3 3.5 1/0.22 16 .02 22 15 07.13 -09 18.0 15 09.83 -09 29.4 3.086 2.140 +0.29 + 4.7 12.3 6.4/ 43 13.9 6.3 320/0.39 122 .67 Dec. 2 15 10.06 -08 31.4 15 12.75 -08 42.6 3.110 2.234 +0.23 + 5.4 12.5 6.3/ 32 22.7 9.8 307/0.59 103 .79 12 15 12.34 -07 37.8 15 15.01 -07 48.9 3.101 2.329 +0.13 + 6.3 12.6 6.6/ 17 32.3 13.0 301/0.78 23 .01 22 15 13.67 -06 34.4 15 16.33 -06 45.4 3.062 2.426 +0.01 + 7.6 12.8 7.6/ 1 42.2 15.8 298/0.96 157 .74 2024 Jan. 1 15 13.74 -05 18.5 15 16.38 -05 29.5 2.997 2.523 -0.16 + 9.1 12.9 9.4/346 52.6 18.0 295/1.11 72 .78 11 15 12.19 -03 47.2 15 14.81 -03 58.3 2.911 2.622 -0.36 +10.9 13.0 12.2/334 63.4 19.6 293/1.24 58 .01 21 15 08.60 -01 57.5 15 11.19 -02 08.8 2.810 2.721 -0.61 +13.0 13.1 15.9/325 74.7 20.4 290/1.33 153 .79 31 15 02.52 +00 13.1 15 05.08 +00 01.5 2.702 2.821 -0.91 +15.3 13.2 20.4/318 86.6 20.4 288/1.38 39 .77 Feb. 10 14 53.49 +02 46.4 14 56.01 +02 34.3 2.597 2.921 -1.24 +17.4 13.2 25.5/313 99.2 19.5 284/1.37 101 .00 20 14 41.12 +05 41.5 14 43.61 +05 28.8 2.504 3.021 -1.59 +19.1 13.3 30.4/309 112.3 17.6 280/1.29 113 .82 Mar. 1 14 25.27 +08 53.4 14 27.73 +08 39.9 2.437 3.121 -1.91 +19.8 13.4 34.5/305 125.7 14.9 273/1.12 26 .75 11 14 06.17 +12 12.0 14 08.61 +11 57.8 2.406 3.220 -2.16 +19.0 13.5 36.8/302 138.8 11.7 262/0.90 147 .01 21 13 44.59 +15 22.7 13 47.02 +15 07.7 2.420 3.320 -2.27 +16.6 13.6 36.6/298 149.8 8.7 242/0.66 65 .84 31 13 21.87 +18 09.5 13 24.30 +17 53.9 2.486 3.419 -2.23 +13.1 13.8 34.2/293 155.2 7.0 208/0.52 67 .72