C/2021 R2 (PANSTARRS) Orbit by S. Nakano unpublished (2022) Observed in 2nd half of 2021
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2021 Dec. 26.53887 7.3118929 0.9962608 32.41105 16.28886 134.47407 0.200 2022 Aug. 9.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Jan. 1 22 26.55 +13 36.5 22 29.01 +13 51.9 7.653 7.311 +0.05 + 0.3 19.8 0.8/ 68 66.2 7.1 56/0.18 90 .05 11 22 27.08 +13 39.6 22 29.54 +13 55.0 7.800 7.312 +0.11 + 1.0 19.9 1.9/ 58 57.0 6.5 51/0.16 54 .62 21 22 28.19 +13 49.5 22 30.65 +14 04.9 7.930 7.313 +0.16 + 1.6 19.9 2.8/ 54 48.3 5.8 45/0.14 152 .91 31 22 29.75 +14 05.8 22 32.21 +14 21.2 8.040 7.315 +0.19 + 2.2 19.9 3.5/ 51 40.2 5.0 38/0.12 57 .02 Feb. 10 22 31.63 +14 28.1 22 34.09 +14 43.6 8.126 7.317 +0.21 + 2.8 20.0 4.1/ 47 32.9 4.2 27/0.10 81 .63 20 22 33.71 +14 56.1 22 36.16 +15 11.6 8.187 7.320 +0.22 + 3.3 20.0 4.5/ 43 27.0 3.5 13/0.08 145 .88 Mar. 2 22 35.86 +15 29.2 22 38.31 +15 44.8 8.223 7.323 +0.21 + 3.8 20.0 4.9/ 39 23.3 3.1 352/0.07 32 .01 12 22 37.97 +16 07.0 22 40.42 +16 22.7 8.231 7.327 +0.19 + 4.2 20.0 5.0/ 34 23.0 3.0 329/0.07 107 .64 22 22 39.92 +16 48.9 22 42.37 +17 04.6 8.214 7.332 +0.17 + 4.6 20.0 5.2/ 28 26.1 3.4 308/0.08 118 .84 Apr. 1 22 41.60 +17 34.5 22 44.05 +17 50.2 8.170 7.337 +0.13 + 4.9 20.0 5.2/ 21 31.5 4.1 292/0.10 33 .00 11 22 42.89 +18 23.1 22 45.33 +18 38.9 8.103 7.342 +0.08 + 5.1 20.0 5.2/ 12 38.2 4.8 281/0.12 131 .66 21 22 43.68 +19 14.0 22 46.11 +19 29.8 8.014 7.348 +0.02 + 5.3 19.9 5.3/ 3 45.7 5.6 273/0.14 86 .77 May 1 22 43.85 +20 06.7 22 46.28 +20 22.5 7.906 7.355 -0.06 + 5.4 19.9 5.4/352 53.7 6.3 266/0.16 56 .00 11 22 43.29 +21 00.3 22 45.72 +21 16.1 7.782 7.362 -0.14 + 5.3 19.9 5.7/340 62.0 7.0 261/0.17 147 .69 21 22 41.90 +21 53.8 22 44.31 +22 09.5 7.646 7.370 -0.23 + 5.2 19.9 6.2/328 70.5 7.4 256/0.19 55 .70 31 22 39.57 +22 46.1 22 41.97 +23 01.8 7.502 7.378 -0.34 + 5.0 19.8 6.8/317 79.1 7.8 251/0.20 83 .00 June 10 22 36.20 +23 36.0 22 38.59 +23 51.7 7.355 7.387 -0.45 + 4.6 19.8 7.6/307 87.8 7.9 246/0.21 139 .74 20 22 31.75 +24 22.0 22 34.13 +24 37.5 7.210 7.396 -0.56 + 4.0 19.7 8.6/298 96.6 7.8 240/0.21 36 .62 30 22 26.19 +25 02.5 22 28.54 +25 17.8 7.071 7.406 -0.67 + 3.3 19.7 9.6/290 105.4 7.6 234/0.21 111 .01 July 10 22 19.53 +25 35.6 22 21.87 +25 50.8 6.944 7.416 -0.77 + 2.4 19.7 10.6/283 114.0 7.2 227/0.20 110 .80 20 22 11.88 +25 59.7 22 14.19 +26 14.6 6.834 7.427 -0.85 + 1.3 19.6 11.5/277 122.3 6.6 219/0.19 48 .56 30 22 03.38 +26 13.2 22 05.68 +26 27.9 6.746 7.438 -0.91 + 0.2 19.6 12.3/271 129.9 6.0 208/0.17 134 .02 Aug. 9 21 54.27 +26 15.1 21 56.55 +26 29.4 6.684 7.450 -0.94 - 1.1 19.6 12.7/266 136.3 5.4 195/0.16 76 .86 19 21 44.86 +26 04.9 21 47.12 +26 18.8 6.652 7.463 -0.94 - 2.2 19.6 12.9/261 140.7 4.9 178/0.14 77 .52 29 21 35.45 +25 43.0 21 37.70 +25 56.5 6.650 7.476 -0.91 - 3.3 19.6 12.7/255 142.4 4.7 159/0.14 136 .03 Sept. 8 21 26.39 +25 10.4 21 28.63 +25 23.5 6.680 7.489 -0.84 - 4.2 19.6 12.2/250 140.9 4.9 140/0.14 48 .92 18 21 17.98 +24 29.3 21 20.22 +24 42.0 6.740 7.503 -0.75 - 4.8 19.6 11.3/245 136.7 5.3 123/0.15 106 .49 28 21 10.47 +23 41.9 21 12.70 +23 54.3 6.829 7.517 -0.64 - 5.1 19.7 10.2/240 130.4 5.8 109/0.17 112 .05 Oct. 8 21 04.02 +22 51.1 21 06.26 +23 03.2 6.944 7.532 -0.53 - 5.2 19.7 9.0/235 122.8 6.4 98/0.18 47 .96 18 20 58.73 +21 59.5 21 00.97 +22 11.3 7.079 7.547 -0.41 - 5.0 19.8 7.6/229 114.5 6.9 90/0.19 130 .47 28 20 54.63 +21 09.5 20 56.88 +21 21.1 7.230 7.563 -0.29 - 4.7 19.8 6.2/222 105.9 7.3 82/0.19 81 .08 Nov. 7 20 51.69 +20 23.1 20 53.95 +20 34.6 7.392 7.580 -0.19 - 4.1 19.9 4.9/212 97.1 7.5 75/0.20 70 .98 17 20 49.83 +19 42.0 20 52.09 +19 53.4 7.559 7.596 -0.09 - 3.5 19.9 3.7/200 88.4 7.5 69/0.19 139 .46 27 20 48.94 +19 07.3 20 51.22 +19 18.6 7.726 7.614 0.00 - 2.7 20.0 2.7/180 79.8 7.3 63/0.18 52 .13 Dec. 7 20 48.92 +18 39.9 20 51.20 +18 51.2 7.888 7.631 +0.07 - 2.0 20.0 2.2/153 71.4 7.0 57/0.17 97 .99 17 20 49.62 +18 20.1 20 51.91 +18 31.4 8.040 7.650 +0.13 - 1.2 20.1 2.2/122 63.4 6.6 51/0.16 127 .44 27 20 50.92 +18 08.2 20 53.22 +18 19.6 8.178 7.668 +0.18 - 0.4 20.1 2.5/ 99 55.8 6.1 43/0.15 39 .18 2023 Jan. 6 20 52.68 +18 04.3 20 54.98 +18 15.8 8.299 7.687 +0.21 + 0.4 20.2 3.0/ 82 48.8 5.5 34/0.13 121 .99 16 20 54.77 +18 08.1 20 57.07 +18 19.7 8.399 7.707 +0.23 + 1.1 20.2 3.4/ 71 42.8 5.0 24/0.12 104 .41 26 20 57.05 +18 19.4 20 59.35 +18 31.1 8.478 7.727 +0.24 + 1.9 20.2 3.8/ 61 38.1 4.5 11/0.10 52 .23 Feb. 5 20 59.41 +18 37.8 21 01.70 +18 49.7 8.533 7.747 +0.23 + 2.5 20.3 4.1/ 52 35.1 4.2 356/0.10 138 .99 15 21 01.71 +19 02.9 21 04.01 +19 14.9 8.564 7.768 +0.21 + 3.1 20.3 4.4/ 44 34.3 4.1 339/0.09 78 .36 25 21 03.85 +19 34.2 21 06.14 +19 46.3 8.571 7.789 +0.18 + 3.7 20.3 4.5/ 35 35.8 4.3 323/0.10 75 .27 Mar. 7 21 05.71 +20 11.1 21 07.99 +20 23.2 8.554 7.811 +0.14 + 4.2 20.3 4.7/ 26 39.3 4.6 309/0.10 139 1.00 17 21 07.16 +20 52.8 21 09.43 +21 05.1 8.515 7.833 +0.09 + 4.6 20.3 4.8/ 16 44.2 5.1 296/0.12 53 .29 27 21 08.10 +21 38.9 21 10.36 +21 51.1 8.456 7.856 +0.03 + 4.9 20.3 5.0/ 5 50.3 5.6 286/0.13 99 .30 Apr. 6 21 08.42 +22 28.2 21 10.67 +22 40.5 8.379 7.879 -0.04 + 5.2 20.3 5.2/354 57.0 6.1 278/0.14 123 1.00 16 21 08.02 +23 20.0 21 10.26 +23 32.3 8.287 7.902 -0.12 + 5.3 20.3 5.6/342 64.2 6.6 270/0.15 43 .22 26 21 06.79 +24 13.1 21 09.01 +24 25.3 8.185 7.926 -0.22 + 5.3 20.3 6.1/331 71.7 6.9 263/0.16 120 .32 May 6 21 04.65 +25 06.1 21 06.85 +25 18.2 8.074 7.950 -0.31 + 5.1 20.2 6.7/321 79.4 7.2 257/0.17 99 1.00 16 21 01.54 +25 57.8 21 03.72 +26 09.7 7.961 7.975 -0.42 + 4.8 20.2 7.4/311 87.1 7.3 250/0.18 57 .15