C/2021 S3 (PANSTARRS) Orbit by S. Nakano NK 5261 (2024) Observed in 1st half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Feb. 14.67720 1.3198364 1.0000329 6.83820 215.61040 58.53796 0.200 2025 May 5.0 m1 = 7.5 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 21 10.33 +31 27.5 21 12.43 +31 39.9 4.424 4.173 +1.25 - 2.7 16.9 16.3/ 99 68.9 12.7 42/0.55 110 .23 2025 Jan. 5 21 22.81 +30 59.9 21 24.95 +31 12.8 4.615 4.271 +1.24 - 1.4 17.1 15.9/ 94 63.7 11.9 37/0.49 46 .28 15 21 35.13 +30 45.6 21 37.30 +30 59.1 4.800 4.368 +1.21 - 0.2 17.3 15.6/ 90 58.5 11.1 31/0.44 125 .99 25 21 47.22 +30 43.5 21 49.42 +30 57.5 4.979 4.465 +1.18 + 0.9 17.5 15.2/ 86 53.6 10.2 24/0.39 96 .22 Feb. 4 21 59.03 +30 52.4 22 01.26 +31 06.9 5.147 4.561 +1.15 + 1.9 17.6 14.8/ 82 49.0 9.4 16/0.35 53 .35 14 22 10.48 +31 11.1 22 12.74 +31 26.0 5.304 4.657 +1.11 + 2.8 17.8 14.4/ 78 44.9 8.6 8/0.31 139 .98 24 22 21.54 +31 38.4 22 23.82 +31 53.6 5.448 4.752 +1.06 + 3.5 18.0 13.9/ 75 41.5 7.9 358/0.28 77 .19 Mar. 6 22 32.15 +32 13.2 22 34.45 +32 28.7 5.578 4.847 +1.01 + 4.2 18.1 13.4/ 71 39.0 7.4 348/0.26 72 .42 16 22 42.25 +32 54.5 22 44.58 +33 10.3 5.691 4.941 +0.96 + 4.7 18.2 12.9/ 68 37.6 7.1 336/0.24 141 .97 26 22 51.80 +33 41.2 22 54.15 +33 57.2 5.788 5.034 +0.90 + 5.1 18.3 12.2/ 64 37.6 6.9 324/0.23 56 .16 Apr. 5 23 00.74 +34 32.4 23 03.11 +34 48.6 5.868 5.127 +0.83 + 5.5 18.4 11.5/ 61 38.8 7.0 312/0.23 96 .49 15 23 08.99 +35 27.3 23 11.38 +35 43.6 5.931 5.219 +0.75 + 5.8 18.5 10.8/ 57 41.3 7.3 300/0.24 130 .96 25 23 16.50 +36 24.8 23 18.91 +36 41.2 5.977 5.311 +0.67 + 5.9 18.6 10.0/ 53 44.8 7.7 290/0.25 39 .11 May 5 23 23.18 +37 24.2 23 25.61 +37 40.7 6.007 5.402 +0.58 + 6.0 18.7 9.1/ 48 49.2 8.1 282/0.26 118 .54 15 23 28.95 +38 24.4 23 31.39 +38 40.9 6.021 5.493 +0.48 + 6.0 18.8 8.2/ 42 54.3 8.6 274/0.28 111 .95 25 23 33.72 +39 24.4 23 36.18 +39 41.1 6.022 5.583 +0.37 + 5.9 18.9 7.3/ 35 59.9 9.0 267/0.29 40 .07 June 4 23 37.40 +40 23.3 23 39.88 +40 39.9 6.010 5.673 +0.25 + 5.6 18.9 6.3/ 26 66.0 9.4 260/0.30 136 .58 14 23 39.90 +41 19.6 23 42.38 +41 36.3 5.988 5.762 +0.12 + 5.3 19.0 5.4/ 15 72.4 9.7 254/0.31 87 .93 24 23 41.14 +42 12.1 23 43.63 +42 28.8 5.958 5.851 -0.01 + 4.7 19.0 4.7/359 79.1 9.8 248/0.32 61 .03 July 4 23 41.05 +42 59.1 23 43.54 +43 15.8 5.923 5.939 -0.14 + 4.0 19.1 4.3/339 86.0 9.8 242/0.32 142 .61 14 23 39.62 +43 38.9 23 42.09 +43 55.5 5.886 6.027 -0.28 + 3.1 19.2 4.3/316 93.1 9.7 235/0.32 61 .89 24 23 36.86 +44 09.6 23 39.32 +44 26.2 5.851 6.115 -0.40 + 2.0 19.2 4.7/295 100.3 9.4 228/0.31 90 .01 Aug. 3 23 32.87 +44 29.2 23 35.30 +44 45.8 5.821 6.201 -0.51 + 0.7 19.3 5.4/278 107.4 9.0 221/0.30 128 .64 13 23 27.82 +44 36.1 23 30.24 +44 52.6 5.801 6.288 -0.59 - 0.7 19.3 6.3/264 114.4 8.4 212/0.28 42 .84 23 23 21.99 +44 29.0 23 24.37 +44 45.4 5.793 6.374 -0.63 - 2.2 19.4 7.1/253 121.1 7.8 202/0.26 118 .00 Sept. 2 23 15.69 +44 07.1 23 18.05 +44 23.5 5.802 6.460 -0.64 - 3.7 19.4 7.8/243 127.0 7.2 190/0.24 104 .66 12 23 09.30 +43 30.7 23 11.64 +43 47.0 5.830 6.545 -0.61 - 5.0 19.5 8.3/234 131.9 6.6 177/0.22 50 .77 22 23 03.20 +42 40.8 23 05.51 +42 57.1 5.880 6.629 -0.55 - 6.1 19.6 8.6/225 135.2 6.1 162/0.20 137 .00 Oct. 2 22 57.73 +41 39.6 23 00.03 +41 55.8 5.954 6.714 -0.46 - 7.0 19.6 8.7/217 136.4 5.9 145/0.19 75 .70 12 22 53.16 +40 29.9 22 55.45 +40 45.9 6.052 6.798 -0.35 - 7.5 19.7 8.5/208 135.3 5.9 129/0.19 80 .69 22 22 49.68 +39 14.8 22 51.97 +39 30.7 6.174 6.881 -0.23 - 7.7 19.8 8.2/199 132.1 6.2 114/0.19 133 .00 Nov. 1 22 47.39 +37 57.6 22 49.68 +38 13.5 6.320 6.964 -0.11 - 7.6 19.9 7.7/190 127.2 6.5 101/0.20 48 .73 11 22 46.31 +36 41.5 22 48.61 +36 57.4 6.486 7.047 +0.01 - 7.2 20.0 7.2/179 121.0 6.9 91/0.21 111 .63 21 22 46.40 +35 29.1 22 48.71 +35 44.9 6.670 7.130 +0.12 - 6.6 20.2 6.8/167 114.0 7.3 82/0.21 112 .01 Dec. 1 22 47.59 +34 22.5 22 49.92 +34 38.4 6.869 7.212 +0.22 - 5.9 20.3 6.5/155 106.5 7.5 74/0.21 38 .78 11 22 49.77 +33 23.5 22 52.11 +33 39.4 7.079 7.293 +0.31 - 5.1 20.4 6.3/143 98.7 7.7 68/0.21 138 .59 21 22 52.81 +32 32.9 22 55.17 +32 48.9 7.295 7.375 +0.38 - 4.1 20.5 6.4/130 90.8 7.7 62/0.21 85 .01 31 22 56.61 +31 51.3 22 58.98 +32 07.4 7.513 7.456 +0.44 - 3.2 20.6 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 20.7 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 20.8 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 20.9 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 21.0 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 21.1 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 21.2 7.6/ 79 40.2 4.6 18/0.11 115 .93