C/2021 A9 (PANSTARRS) Orbit by S. Nakano NK 5503 (2026) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Dec. 4.84538 7.7674247 1.0000187 211.69797 314.84834 158.01762 0.200 2026 June 9.0 m1 = 7.0 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 03 52.23 -03 28.1 03 54.74 -03 19.3 8.346 9.032 -0.52 + 0.2 19.3 7.8/271 131.8 4.7 55/0.11 28 .84 2026 Jan. 10 03 47.00 -03 26.8 03 49.51 -03 17.7 8.505 9.062 -0.44 + 0.7 19.3 6.7/276 121.8 5.3 61/0.12 132 .56 20 03 42.58 -03 20.6 03 45.09 -03 11.2 8.683 9.093 -0.36 + 1.1 19.4 5.4/281 111.7 5.8 67/0.13 98 .01 30 03 39.01 -03 10.1 03 41.52 -03 00.6 8.875 9.124 -0.27 + 1.4 19.4 4.3/289 101.6 6.1 71/0.13 46 .89 Feb. 9 03 36.30 -02 56.4 03 38.82 -02 46.7 9.074 9.155 -0.19 + 1.6 19.5 3.2/300 91.6 6.2 75/0.13 153 .55 19 03 34.44 -02 40.4 03 36.96 -02 30.6 9.275 9.187 -0.11 + 1.8 19.5 2.4/318 81.8 6.1 79/0.13 65 .03 Mar. 1 03 33.36 -02 22.8 03 35.89 -02 12.9 9.472 9.218 -0.04 + 1.8 19.6 1.9/344 72.3 5.9 82/0.12 80 .93 11 03 33.00 -02 04.6 03 35.53 -01 54.7 9.659 9.250 +0.03 + 1.8 19.7 1.9/ 13 63.0 5.5 87/0.11 145 .54 21 03 33.28 -01 46.5 03 35.81 -01 36.6 9.834 9.282 +0.08 + 1.7 19.7 2.1/ 35 54.0 5.0 91/0.10 35 .05 31 03 34.09 -01 29.1 03 36.63 -01 19.2 9.990 9.315 +0.13 + 1.6 19.8 2.5/ 50 45.3 4.4 97/0.09 112 .95 Apr. 10 03 35.35 -01 13.0 03 37.90 -01 03.2 10.126 9.347 +0.16 + 1.4 19.8 2.8/ 60 37.2 3.7 104/0.07 120 .52 20 03 36.97 -00 58.8 03 39.52 -00 49.1 10.239 9.380 +0.19 + 1.2 19.8 3.1/ 67 29.8 3.1 115/0.06 28 .09 30 03 38.85 -00 46.8 03 41.41 -00 37.2 10.326 9.413 +0.21 + 0.9 19.9 3.2/ 73 23.8 2.5 131/0.05 140 .97 May 10 03 40.90 -00 37.5 03 43.46 -00 28.1 10.388 9.447 +0.21 + 0.6 19.9 3.3/ 79 20.1 2.1 153/0.04 92 .49 20 03 43.03 -00 31.2 03 45.59 -00 21.9 10.423 9.480 +0.21 + 0.3 19.9 3.2/ 85 20.2 2.1 180/0.04 54 .15 30 03 45.16 -00 28.3 03 47.71 -00 19.1 10.432 9.514 +0.20 - 0.1 19.9 3.0/ 91 23.9 2.5 202/0.05 155 .98 June 9 03 47.18 -00 28.9 03 49.74 -00 19.8 10.414 9.548 +0.18 - 0.4 19.9 2.8/ 99 29.9 3.0 218/0.06 63 .44 19 03 49.03 -00 33.2 03 51.58 -00 24.2 10.373 9.582 +0.16 - 0.8 19.9 2.5/109 37.1 3.7 228/0.07 86 .20 29 03 50.61 -00 41.4 03 53.16 -00 32.6 10.309 9.616 +0.12 - 1.2 19.9 2.2/124 45.0 4.3 235/0.08 141 .99 July 9 03 51.85 -00 53.7 03 54.39 -00 44.9 10.224 9.651 +0.08 - 1.6 19.9 2.0/144 53.2 4.8 241/0.09 35 .37 19 03 52.65 -01 09.9 03 55.20 -01 01.2 10.123 9.685 +0.03 - 2.0 19.9 2.1/168 61.8 5.3 245/0.10 117 .26 29 03 52.95 -01 30.1 03 55.49 -01 21.4 10.008 9.720 -0.03 - 2.4 19.9 2.4/190 70.7 5.7 249/0.11 114 1.00 Aug. 8 03 52.67 -01 54.2 03 55.20 -01 45.4 9.884 9.755 -0.09 - 2.8 19.9 3.1/207 79.7 5.9 253/0.12 30 .29 18 03 51.75 -02 21.8 03 54.28 -02 13.0 9.756 9.790 -0.16 - 3.1 19.9 3.9/218 89.0 5.9 257/0.12 144 .30 28 03 50.14 -02 52.5 03 52.65 -02 43.6 9.627 9.826 -0.23 - 3.3 19.9 4.8/227 98.4 5.8 260/0.12 84 1.00 Sept. 7 03 47.80 -03 25.8 03 50.31 -03 16.8 9.504 9.861 -0.31 - 3.5 19.8 5.8/233 108.0 5.6 264/0.11 60 .21 17 03 44.73 -04 00.9 03 47.23 -03 51.7 9.392 9.897 -0.38 - 3.6 19.8 6.7/238 117.6 5.2 269/0.11 150 .33 27 03 40.95 -04 37.0 03 43.43 -04 27.5 9.296 9.933 -0.44 - 3.6 19.8 7.5/242 127.1 4.6 275/0.10 51 1.00 Oct. 7 03 36.50 -05 12.8 03 38.98 -05 03.1 9.222 9.969 -0.50 - 3.4 19.8 8.2/245 136.4 4.0 283/0.08 96 .15 17 03 31.49 -05 47.3 03 33.97 -05 37.3 9.173 10.006 -0.55 - 3.2 19.8 8.7/249 144.9 3.3 295/0.07 128 .34 27 03 26.05 -06 19.3 03 28.52 -06 08.9 9.155 10.042 -0.57 - 2.8 19.8 9.0/252 151.9 2.7 312/0.06 29 .99 Nov. 6 03 20.32 -06 47.5 03 22.79 -06 36.8 9.168 10.079 -0.58 - 2.3 19.8 9.0/255 155.5 2.3 337/0.05 131 .11 16 03 14.50 -07 11.0 03 16.96 -07 00.1 9.215 10.115 -0.57 - 1.8 19.9 8.7/258 154.4 2.4 4/0.05 97 .36 26 03 08.77 -07 29.2 03 11.22 -07 17.9 9.294 10.152 -0.55 - 1.2 19.9 8.2/261 148.9 2.9 26/0.06 48 .97 Dec. 6 03 03.30 -07 41.5 03 05.76 -07 29.9 9.405 10.189 -0.50 - 0.6 19.9 7.5/265 140.9 3.5 40/0.07 151 .09 16 02 58.27 -07 47.9 03 00.73 -07 36.1 9.545 10.227 -0.45 - 0.1 20.0 6.6/269 131.8 4.1 49/0.09 64 .38 26 02 53.81 -07 48.7 02 56.26 -07 36.6 9.708 10.264 -0.38 + 0.5 20.0 5.7/275 122.1 4.7 56/0.09 84 .94 2027 Jan. 5 02 50.00 -07 44.2 02 52.46 -07 32.0 9.890 10.302 -0.31 + 0.9 20.1 4.7/281 112.2 5.1 62/0.10 136 .07 15 02 46.90 -07 35.3 02 49.37 -07 22.9 10.086 10.339 -0.24 + 1.3 20.1 3.7/290 102.2 5.3 66/0.10 35 .41 25 02 44.54 -07 22.6 02 47.01 -07 10.0 10.290 10.377 -0.16 + 1.6 20.2 2.9/303 92.4 5.4 70/0.10 119 .91 Feb. 4 02 42.90 -07 06.9 02 45.38 -06 54.3 10.495 10.415 -0.09 + 1.8 20.2 2.3/322 82.6 5.4 74/0.10 108 .06 14 02 41.96 -06 49.2 02 44.43 -06 36.6 10.697 10.453 -0.03 + 1.9 20.3 2.0/346 73.1 5.2 78/0.10 30 .46 24 02 41.64 -06 30.2 02 44.12 -06 17.6 10.890 10.491 +0.03 + 2.0 20.4 2.0/ 11 63.8 4.9 82/0.09 147 .88 Mar. 6 02 41.90 -06 10.7 02 44.38 -05 58.0 11.071 10.529 +0.08 + 1.9 20.4 2.2/ 30 54.8 4.4 87/0.08 80 .05