C/2021 T1 (Lemmon) Orbit by S. Nakano unpublished (2021) Observed in 2nd half of 2021
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) 2021 Oct. 14.0071 3.058485 1.0 51.4916 56.8226 140.3518 0.200 m1 = 13.0 + 5 log Delta + 8.0 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 Jan. 1 21 27.10 +19 28.4 21 29.42 +19 41.6 3.552 3.155 +0.10 - 4.9 19.7 5.1/164 58.7 15.4 45/0.81 80 .05 11 21 28.09 +18 39.6 21 30.42 +18 52.9 3.714 3.180 +0.18 - 2.9 19.9 3.8/139 50.5 13.8 38/0.70 68 .62 21 21 29.86 +18 10.8 21 32.20 +18 24.1 3.854 3.208 +0.22 - 1.2 20.0 3.4/110 43.2 12.1 28/0.59 144 .91 31 21 32.10 +17 59.0 21 34.45 +18 12.4 3.969 3.239 +0.24 + 0.3 20.1 3.5/ 84 37.2 10.6 17/0.51 51 .02 Feb. 10 21 34.54 +18 02.4 21 36.88 +18 15.9 4.058 3.272 +0.24 + 1.6 20.2 3.8/ 64 32.8 9.4 2/0.44 92 .63 20 21 36.91 +18 18.7 21 39.26 +18 32.3 4.119 3.308 +0.21 + 2.8 20.2 4.1/ 47 30.7 8.8 344/0.41 131 .88 Mar. 2 21 39.01 +18 46.6 21 41.35 +19 00.3 4.152 3.346 +0.16 + 3.8 20.3 4.4/ 30 31.4 8.9 326/0.41 36 .01 12 21 40.60 +19 24.7 21 42.94 +19 38.4 4.157 3.386 +0.08 + 4.7 20.3 4.8/ 14 34.6 9.6 309/0.44 115 .64 22 21 41.46 +20 11.5 21 43.79 +20 25.3 4.136 3.428 -0.01 + 5.4 20.4 5.4/358 39.6 10.7 296/0.49 105 .84 Apr. 1 21 41.35 +21 06.0 21 43.66 +21 19.8 4.090 3.472 -0.14 + 6.1 20.4 6.4/343 46.1 12.0 285/0.55 47 .00 11 21 39.99 +22 06.7 21 42.30 +22 20.4 4.023 3.518 -0.29 + 6.5 20.4 7.6/329 53.4 13.2 277/0.62 134 .66 21 21 37.11 +23 12.0 21 39.40 +23 25.6 3.937 3.566 -0.47 + 6.8 20.4 9.4/316 61.3 14.3 269/0.69 75 .77 May 1 21 32.41 +24 19.9 21 34.67 +24 33.3 3.838 3.615 -0.69 + 6.7 20.4 11.5/306 69.8 15.2 262/0.74 72 .00 11 21 25.54 +25 27.5 21 27.78 +25 40.6 3.730 3.666 -0.94 + 6.3 20.4 14.1/297 78.6 15.7 256/0.79 136 .69 21 21 16.22 +26 31.0 21 18.42 +26 43.7 3.619 3.719 -1.20 + 5.4 20.4 16.9/289 87.7 15.8 249/0.82 51 .70 31 21 04.22 +27 25.4 21 06.38 +27 37.5 3.512 3.772 -1.48 + 3.8 20.3 20.0/282 97.0 15.5 241/0.82 100 .00 June 10 20 49.46 +28 04.4 20 51.59 +28 15.7 3.417 3.827 -1.73 + 1.6 20.3 22.9/275 106.3 14.8 232/0.81 114 .74 20 20 32.16 +28 21.1 20 34.25 +28 31.5 3.342 3.884 -1.93 - 1.3 20.3 25.5/268 115.1 13.7 221/0.77 54 .62 30 20 12.86 +28 09.2 20 14.92 +28 18.5 3.293 3.941 -2.04 - 4.6 20.4 27.4/262 123.1 12.5 208/0.71 124 .01 July 10 19 52.48 +27 24.4 19 54.53 +27 32.3 3.278 4.000 -2.03 - 7.9 20.4 28.3/255 129.3 11.3 192/0.65 80 .80 20 19 32.17 +26 06.5 19 34.23 +26 13.1 3.301 4.059 -1.91 -10.8 20.5 28.0/248 132.7 10.6 173/0.60 84 .56 30 19 13.06 +24 19.6 19 15.14 +24 24.9 3.363 4.120 -1.70 -12.9 20.6 26.7/242 132.7 10.4 154/0.58 124 .02 Aug. 9 18 56.07 +22 11.5 18 58.19 +22 15.6 3.465 4.181 -1.43 -14.1 20.7 24.5/235 129.3 10.8 136/0.59 50 .86 19 18 41.73 +19 51.3 18 43.90 +19 54.4 3.602 4.243 -1.15 -14.4 20.8 21.8/229 123.3 11.5 122/0.60 117 .52 29 18 30.22 +17 27.7 18 32.44 +17 30.0 3.770 4.306 -0.87 -14.1 21.0 18.8/222 115.7 12.2 110/0.61 99 .03 Sept. 8 18 21.49 +15 07.5 18 23.75 +15 09.2 3.962 4.369 -0.62 -13.3 21.1 16.0/214 107.3 12.7 101/0.61 54 .92 18 18 15.27 +12 55.5 18 17.58 +12 56.7 4.172 4.433 -0.40 -12.2 21.3 13.5/206 98.5 13.0 94/0.59 139 .49 28 18 11.27 +10 54.2 18 13.62 +10 55.1 4.392 4.498 -0.21 -10.9 21.4 11.3/196 89.6 12.9 88/0.56 68 .05 Oct. 8 18 09.17 +09 05.1 18 11.55 +09 05.9 4.616 4.563 -0.05 - 9.7 21.6 9.7/184 80.7 12.5 83/0.51 81 .96 18 18 08.64 +07 28.6 18 11.05 +07 29.3 4.838 4.628 +0.08 - 8.4 21.7 8.5/172 72.0 11.8 78/0.47 137 .47 28 18 09.41 +06 04.5 18 11.85 +06 05.2 5.053 4.695 +0.18 - 7.2 21.9 7.7/159 63.5 10.9 72/0.41 40 .08 Nov. 7 18 11.22 +04 52.2 18 13.69 +04 53.1 5.256 4.761 +0.26 - 6.1 22.0 7.3/147 55.2 9.8 67/0.36 111 .98 17 18 13.85 +03 51.2 18 16.33 +03 52.3 5.443 4.828 +0.33 - 5.0 22.1 7.0/136 47.3 8.7 60/0.31 118 .46 27 18 17.08 +03 00.7 18 19.58 +03 02.1 5.611 4.895 +0.37 - 4.0 22.3 6.8/126 39.9 7.4 51/0.25 33 .13 Dec. 7 18 20.73 +02 20.1 18 23.25 +02 21.7 5.757 4.963 +0.39 - 3.1 22.4 6.6/118 33.3 6.3 40/0.21 136 .99 17 18 24.64 +01 48.6 18 27.17 +01 50.5 5.878 5.030 +0.40 - 2.3 22.5 6.4/111 28.0 5.3 25/0.17 94 .44 27 18 28.64 +01 25.6 18 31.17 +01 27.8 5.973 5.098 +0.39 - 1.5 22.5 6.1/104 24.9 4.7 5/0.15 54 .18 2023 Jan. 6 18 32.57 +01 10.5 18 35.11 +01 12.9 6.042 5.167 +0.37 - 0.8 22.6 5.6/ 98 24.9 4.6 343/0.15 151 .99 16 18 36.30 +01 02.4 18 38.84 +01 05.2 6.083 5.235 +0.34 - 0.1 22.7 5.1/ 91 28.0 5.1 323/0.16 67 .41 26 18 39.67 +01 01.0 18 42.21 +01 03.9 6.098 5.304 +0.29 + 0.5 22.7 4.3/ 84 33.4 5.9 308/0.19 83 .23 Feb. 5 18 42.55 +01 05.3 18 45.09 +01 08.5 6.088 5.373 +0.22 + 1.0 22.8 3.5/ 74 40.2 6.8 297/0.22 142 .99 15 18 44.80 +01 14.7 18 47.34 +01 18.1 6.054 5.441 +0.15 + 1.4 22.8 2.6/ 58 47.9 7.7 289/0.25 40 .36 25 18 46.27 +01 28.5 18 48.81 +01 32.0 5.999 5.511 +0.06 + 1.7 22.8 1.9/ 26 56.2 8.6 282/0.28 112 .27 Mar. 7 18 46.84 +01 45.7 18 49.36 +01 49.2 5.927 5.580 -0.05 + 2.0 22.8 2.1/340 65.0 9.3 277/0.30 118 1.00 17 18 46.37 +02 05.4 18 48.89 +02 08.9 5.841 5.649 -0.16 + 2.1 22.8 3.2/311 74.0 9.7 272/0.32 31 .29 27 18 44.75 +02 26.6 18 47.26 +02 29.9 5.747 5.718 -0.29 + 2.1 22.9 4.8/296 83.4 10.0 268/0.33 138 .30 Apr. 6 18 41.88 +02 47.8 18 44.38 +02 50.9 5.649 5.788 -0.42 + 2.0 22.9 6.6/288 93.0 9.9 264/0.34 88 1.00 16 18 37.70 +03 07.9 18 40.20 +03 10.7 5.554 5.857 -0.55 + 1.7 22.9 8.4/282 102.7 9.6 259/0.33 57 .22 26 18 32.21 +03 25.2 18 34.71 +03 27.7 5.466 5.927 -0.68 + 1.3 22.9 10.2/277 112.6 9.0 254/0.32 148 .32 May 6 18 25.45 +03 38.4 18 27.94 +03 40.3 5.393 5.996 -0.79 + 0.7 22.9 11.8/273 122.5 8.2 248/0.29 55 1.00 16 18 17.56 +03 45.8 18 20.05 +03 47.2 5.341 6.066 -0.88 0.0 22.9 13.2/270 132.2 7.1 240/0.26 94 .15