C/2021 S3 (PANSTARRS) Orbit by S. Nakano NK 5261 (2024) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Feb. 14.66976 1.3188799 0.9998978 6.83058 215.57194 58.57271 0.200 2026 June 9.0 m1 = 5.5 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 22 56.61 +31 51.3 22 58.98 +32 07.4 7.513 7.456 +0.44 - 3.2 18.6 6.5/120 82.9 7.5 57/0.20 56 .84 2026 Jan. 10 23 01.02 +31 18.9 23 03.41 +31 35.1 7.730 7.536 +0.49 - 2.3 18.7 6.7/110 75.1 7.2 52/0.18 147 .56 20 23 05.93 +30 55.5 23 08.33 +31 11.8 7.941 7.617 +0.53 - 1.5 18.8 7.0/102 67.4 6.8 46/0.17 58 .01 30 23 11.22 +30 40.8 23 13.65 +30 57.1 8.143 7.697 +0.56 - 0.7 18.9 7.2/ 95 59.9 6.4 41/0.15 85 .89 Feb. 9 23 16.79 +30 34.1 23 19.23 +30 50.5 8.333 7.776 +0.58 + 0.1 19.0 7.4/ 89 52.8 5.8 34/0.14 134 .55 19 23 22.55 +30 34.8 23 25.00 +30 51.3 8.508 7.856 +0.59 + 0.8 19.1 7.6/ 84 46.2 5.2 27/0.12 35 .03 Mar. 1 23 28.39 +30 42.4 23 30.86 +30 58.9 8.665 7.935 +0.59 + 1.4 19.2 7.6/ 79 40.2 4.6 17/0.10 115 .93 11 23 34.22 +30 55.9 23 36.71 +31 12.5 8.803 8.013 +0.58 + 1.9 19.3 7.6/ 75 35.3 4.1 6/0.09 112 .54 21 23 39.98 +31 14.6 23 42.49 +31 31.3 8.921 8.092 +0.56 + 2.3 19.3 7.5/ 72 31.8 3.7 352/0.08 30 .05 31 23 45.57 +31 38.0 23 48.10 +31 54.7 9.017 8.170 +0.54 + 2.7 19.4 7.3/ 68 30.2 3.5 336/0.08 141 .95 Apr. 10 23 50.93 +32 05.1 23 53.46 +32 21.8 9.092 8.247 +0.51 + 3.0 19.5 7.1/ 64 30.8 3.6 319/0.08 88 .52 20 23 55.97 +32 35.3 23 58.52 +32 52.0 9.145 8.325 +0.47 + 3.3 19.5 6.7/ 61 33.4 3.8 304/0.08 53 .09 30 00 00.62 +33 07.9 00 03.19 +33 24.6 9.176 8.402 +0.42 + 3.4 19.6 6.3/ 57 37.7 4.2 291/0.09 153 .97 May 10 00 04.82 +33 42.1 00 07.40 +33 58.8 9.188 8.479 +0.37 + 3.5 19.6 5.8/ 52 43.1 4.7 281/0.10 62 .49 20 00 08.48 +34 17.3 00 11.08 +34 34.0 9.181 8.556 +0.31 + 3.5 19.6 5.2/ 47 49.3 5.1 273/0.11 84 .15 30 00 11.54 +34 52.6 00 14.15 +35 09.3 9.156 8.632 +0.24 + 3.5 19.7 4.5/ 40 56.1 5.6 266/0.12 139 .98 June 9 00 13.94 +35 27.3 00 16.55 +35 44.0 9.118 8.708 +0.17 + 3.3 19.7 3.9/ 31 63.2 6.0 260/0.13 37 .44 19 00 15.61 +36 00.5 00 18.23 +36 17.2 9.067 8.784 +0.09 + 3.1 19.7 3.3/ 19 70.7 6.3 255/0.14 116 .20 29 00 16.49 +36 31.4 00 19.12 +36 48.0 9.008 8.859 +0.01 + 2.7 19.7 2.8/ 2 78.4 6.5 250/0.14 113 .99 July 9 00 16.56 +36 58.9 00 19.19 +37 15.5 8.943 8.935 -0.08 + 2.3 19.8 2.5/339 86.3 6.5 244/0.14 29 .37 19 00 15.80 +37 22.0 00 18.43 +37 38.7 8.876 9.010 -0.16 + 1.8 19.8 2.6/313 94.3 6.5 239/0.14 142 .26 29 00 14.22 +37 39.8 00 16.84 +37 56.4 8.812 9.084 -0.24 + 1.1 19.8 3.0/292 102.4 6.3 234/0.14 85 1.00 Aug. 8 00 11.86 +37 51.1 00 14.47 +38 07.8 8.754 9.159 -0.31 + 0.4 19.8 3.6/277 110.5 6.0 228/0.13 54 .29 18 00 08.80 +37 55.3 00 11.40 +38 11.9 8.706 9.233 -0.37 - 0.4 19.9 4.3/265 118.6 5.5 220/0.12 149 .30 28 00 05.16 +37 51.4 00 07.75 +38 08.1 8.673 9.307 -0.41 - 1.2 19.9 5.0/256 126.3 5.0 212/0.11 55 1.00 Sept. 7 00 01.10 +37 39.3 00 03.67 +37 56.0 8.659 9.381 -0.43 - 2.1 19.9 5.5/248 133.5 4.5 202/0.10 89 .21 17 23 56.81 +37 18.8 23 59.37 +37 35.5 8.666 9.454 -0.43 - 2.8 19.9 5.9/242 139.6 4.0 189/0.09 128 .33 27 23 52.50 +36 50.4 23 55.04 +37 07.1 8.698 9.528 -0.42 - 3.5 20.0 6.1/235 144.1 3.5 172/0.08 32 1.00 Oct. 7 23 48.36 +36 15.0 23 50.89 +36 31.7 8.755 9.601 -0.38 - 4.1 20.0 6.1/228 146.0 3.3 153/0.07 125 .15 17 23 44.59 +35 34.0 23 47.10 +35 50.7 8.840 9.673 -0.32 - 4.5 20.1 6.0/222 145.0 3.4 134/0.07 99 .34 27 23 41.35 +34 49.0 23 43.85 +35 05.7 8.952 9.746 -0.26 - 4.7 20.1 5.7/214 141.2 3.7 116/0.08 41 .99 Nov. 6 23 38.77 +34 01.8 23 41.26 +34 18.4 9.088 9.818 -0.19 - 4.8 20.2 5.3/206 135.3 4.1 102/0.09 150 .11 16 23 36.92 +33 14.2 23 39.41 +33 30.8 9.249 9.890 -0.11 - 4.6 20.3 4.8/196 128.1 4.5 92/0.10 69 .36 26 23 35.86 +32 28.0 23 38.35 +32 44.6 9.429 9.962 -0.03 - 4.3 20.4 4.4/185 120.2 4.9 83/0.10 73 .97 Dec. 6 23 35.58 +31 44.6 23 38.07 +32 01.2 9.627 10.034 +0.05 - 3.9 20.4 4.0/171 111.8 5.2 76/0.11 141 .09 16 23 36.06 +31 05.3 23 38.55 +31 22.0 9.836 10.105 +0.12 - 3.4 20.5 3.8/156 103.1 5.4 70/0.11 40 .38 26 23 37.26 +30 31.1 23 39.76 +30 47.7 10.054 10.177 +0.18 - 2.9 20.6 3.7/140 94.4 5.5 65/0.11 108 .94 2027 Jan. 5 23 39.10 +30 02.5 23 41.61 +30 19.1 10.275 10.248 +0.24 - 2.3 20.7 3.9/126 85.7 5.5 60/0.11 115 .07 15 23 41.52 +29 39.8 23 44.03 +29 56.5 10.494 10.318 +0.29 - 1.7 20.7 4.1/113 77.1 5.3 56/0.10 25 .41 25 23 44.43 +29 23.3 23 46.95 +29 39.9 10.708 10.389 +0.33 - 1.1 20.8 4.5/104 68.6 5.1 51/0.09 140 .91 Feb. 4 23 47.74 +29 12.7 23 50.27 +29 29.3 10.912 10.459 +0.36 - 0.5 20.9 4.8/ 96 60.3 4.7 46/0.09 87 .06 14 23 51.38 +29 07.8 23 53.92 +29 24.5 11.103 10.530 +0.39 + 0.1 21.0 5.1/ 89 52.4 4.3 40/0.08 43 .46 24 23 55.25 +29 08.3 23 57.80 +29 25.0 11.277 10.600 +0.40 + 0.5 21.0 5.3/ 84 44.9 3.8 33/0.07 157 .88 Mar. 6 23 59.28 +29 13.7 00 01.84 +29 30.5 11.432 10.669 +0.41 + 1.0 21.1 5.5/ 79 38.1 3.3 24/0.06 60 .05