C/2021 R2 (PANSTARRS) Orbit by S. Nakano NK 4774 (2022) Last obs. 2022 11 24 (T14)

Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2021 Dec. 27.78311 7.3157078 0.9981019 32.50576 16.30647 134.48370 0.200 2024 Mar. 31.0 m1 = 8.5 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2023 Dec. 22 19 28.43 +19 18.3 19 30.63 +19 24.6 9.227 8.606 +0.24 - 0.5 20.8 3.4/ 99 48.4 4.9 29/0.10 89 .74 2024 Jan. 1 19 30.79 +19 12.9 19 32.99 +19 19.4 9.317 8.639 +0.25 + 0.2 20.8 3.5/ 86 44.2 4.5 17/0.10 125 .78 11 19 33.28 +19 14.9 19 35.48 +19 21.6 9.385 8.671 +0.25 + 0.9 20.9 3.6/ 75 41.4 4.3 3/0.09 48 .01 21 19 35.77 +19 24.1 19 37.97 +19 31.0 9.430 8.704 +0.24 + 1.6 20.9 3.7/ 64 40.4 4.2 349/0.09 113 .79 31 19 38.15 +19 40.2 19 40.35 +19 47.2 9.453 8.737 +0.22 + 2.3 20.9 3.8/ 53 41.3 4.3 334/0.09 108 .77 Feb. 10 19 40.31 +20 02.7 19 42.50 +20 09.8 9.454 8.770 +0.18 + 2.8 20.9 3.8/ 42 43.9 4.5 320/0.09 48 .00 20 19 42.14 +20 31.0 19 44.33 +20 38.3 9.434 8.804 +0.14 + 3.4 20.9 3.9/ 30 48.0 4.8 308/0.10 129 .82 Mar. 1 19 43.54 +21 04.6 19 45.71 +21 12.0 9.395 8.837 +0.09 + 3.8 20.9 4.0/ 17 53.2 5.2 298/0.11 87 .75 11 19 44.40 +21 42.7 19 46.57 +21 50.1 9.338 8.872 +0.02 + 4.2 20.9 4.2/ 4 59.3 5.5 289/0.12 66 .01 21 19 44.64 +22 24.4 19 46.79 +22 31.8 9.267 8.906 -0.05 + 4.4 20.9 4.5/351 65.8 5.9 280/0.12 132 .84 31 19 44.16 +23 08.7 19 46.29 +23 16.1 9.185 8.940 -0.13 + 4.6 20.9 4.9/339 72.8 6.1 273/0.13 66 .72 Apr. 10 19 42.88 +23 54.4 19 45.00 +24 01.7 9.096 8.975 -0.21 + 4.6 20.9 5.4/327 79.9 6.3 266/0.14 91 .02 20 19 40.76 +24 40.1 19 42.86 +24 47.3 9.003 9.010 -0.30 + 4.4 20.9 6.0/317 87.2 6.4 259/0.14 119 .86 30 19 37.75 +25 24.5 19 39.83 +25 31.5 8.911 9.045 -0.39 + 4.1 20.9 6.7/308 94.5 6.4 251/0.14 52 .66 May 10 19 33.85 +26 05.9 19 35.92 +26 12.7 8.823 9.081 -0.48 + 3.6 20.9 7.4/300 101.6 6.3 244/0.14 113 .05 20 19 29.09 +26 42.7 19 31.13 +26 49.1 8.745 9.116 -0.56 + 3.0 20.9 8.0/292 108.5 6.0 235/0.13 99 .88 30 19 23.53 +27 13.3 19 25.56 +27 19.3 8.680 9.152 -0.63 + 2.2 20.9 8.6/285 114.8 5.8 226/0.13 58 .58 June 9 19 17.29 +27 36.1 19 19.31 +27 41.7 8.632 9.188 -0.68 + 1.3 20.9 9.1/279 120.4 5.5 215/0.12 125 .07 19 19 10.54 +27 49.9 19 12.54 +27 55.0 8.604 9.225 -0.71 + 0.4 20.9 9.4/273 125.0 5.2 203/0.12 76 .90 29 19 03.45 +27 53.9 19 05.45 +27 58.5 8.598 9.261 -0.72 - 0.7 20.9 9.6/266 128.2 5.0 190/0.11 81 .49 July 9 18 56.27 +27 47.7 18 58.26 +27 51.8 8.616 9.298 -0.71 - 1.7 20.9 9.5/260 129.6 4.8 175/0.11 119 .09 19 18 49.20 +27 31.5 18 51.20 +27 35.1 8.659 9.335 -0.67 - 2.6 20.9 9.3/254 129.2 4.8 161/0.11 59 .92 29 18 42.48 +27 06.0 18 44.48 +27 09.1 8.726 9.372 -0.62 - 3.4 21.0 8.9/248 127.0 5.0 147/0.11 107 .40 Aug. 8 18 36.29 +26 32.3 18 38.31 +26 35.0 8.815 9.409 -0.55 - 4.1 21.0 8.4/241 123.2 5.2 134/0.11 101 .11 18 18 30.80 +25 52.0 18 32.83 +25 54.3 8.926 9.447 -0.47 - 4.6 21.1 7.8/235 118.2 5.4 123/0.12 56 .95 28 18 26.11 +25 06.8 18 28.15 +25 08.7 9.055 9.484 -0.38 - 4.9 21.1 7.1/227 112.3 5.7 113/0.12 125 .33 Sept. 7 18 22.28 +24 18.5 18 24.34 +24 20.2 9.199 9.522 -0.29 - 5.0 21.1 6.4/219 105.7 5.8 104/0.12 79 .13 17 18 19.35 +23 28.8 18 21.43 +23 30.3 9.355 9.560 -0.20 - 4.9 21.2 5.7/210 98.8 6.0 96/0.13 73 .98 27 18 17.29 +22 39.5 18 19.39 +22 40.8 9.517 9.598 -0.12 - 4.8 21.2 5.1/199 91.7 6.0 89/0.12 125 .28 Oct. 7 18 16.08 +21 51.9 18 18.19 +21 53.1 9.682 9.637 -0.04 - 4.5 21.3 4.5/187 84.5 5.9 82/0.12 59 .15 17 18 15.65 +21 07.3 18 17.78 +21 08.5 9.845 9.675 +0.03 - 4.1 21.4 4.1/174 77.3 5.8 74/0.12 97 1.00 27 18 15.91 +20 26.6 18 18.06 +20 27.9 10.004 9.714 +0.09 - 3.6 21.4 3.8/161 70.3 5.5 67/0.11 110 .25 Nov. 6 18 16.79 +19 50.8 18 18.96 +19 52.1 10.153 9.753 +0.14 - 3.0 21.4 3.6/146 63.6 5.2 59/0.10 48 .18 16 18 18.20 +19 20.5 18 20.37 +19 21.9 10.290 9.792 +0.18 - 2.4 21.5 3.5/133 57.3 4.9 51/0.09 120 1.00 26 18 20.01 +18 56.1 18 22.19 +18 57.7 10.411 9.831 +0.21 - 1.8 21.5 3.5/120 51.7 4.5 41/0.09 91 .24 Dec. 6 18 22.15 +18 38.0 18 24.34 +18 39.7 10.515 9.870 +0.24 - 1.1 21.6 3.5/109 47.1 4.2 30/0.08 55 .23 16 18 24.50 +18 26.4 18 26.69 +18 28.2 10.598 9.909 +0.25 - 0.5 21.6 3.5/ 98 43.7 3.9 18/0.07 133 .99 26 18 26.95 +18 21.2 18 29.15 +18 23.2 10.660 9.949 +0.25 + 0.1 21.6 3.5/ 88 41.8 3.8 4/0.07 71 .23 2025 Jan. 5 18 29.42 +18 22.4 18 31.61 +18 24.7 10.701 9.989 +0.24 + 0.8 21.6 3.4/ 77 41.8 3.8 350/0.07 75 .28 15 18 31.78 +18 30.0 18 33.97 +18 32.4 10.719 10.029 +0.22 + 1.4 21.7 3.4/ 66 43.5 3.9 337/0.07 128 .99 25 18 33.95 +18 43.5 18 36.14 +18 46.1 10.716 10.069 +0.19 + 1.9 21.7 3.3/ 54 46.9 4.1 324/0.08 55 .22 Feb. 4 18 35.83 +19 02.7 18 38.01 +19 05.4 10.693 10.109 +0.15 + 2.4 21.7 3.2/ 41 51.5 4.4 313/0.08 100 .35 14 18 37.31 +19 27.0 18 39.49 +19 29.8 10.652 10.149 +0.10 + 2.9 21.7 3.2/ 26 57.1 4.7 303/0.09 111 .98 24 18 38.33 +19 55.7 18 40.49 +19 58.6 10.594 10.189 +0.04 + 3.3 21.7 3.3/ 11 63.4 5.0 294/0.09 48 .19 Mar. 6 18 38.78 +20 28.2 18 40.93 +20 31.1 10.524 10.230 -0.02 + 3.5 21.7 3.5/356 70.1 5.2 286/0.10 121 .42 16 18 38.60 +21 03.5 18 40.74 +21 06.4 10.445 10.270 -0.09 + 3.7 21.7 3.9/342 77.2 5.4 278/0.10 91 .97 26 18 37.73 +21 40.6 18 39.86 +21 43.4 10.360 10.311 -0.16 + 3.8 21.7 4.4/329 84.4 5.5 271/0.10 57 .16

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