C/2021 G2 (ATLAS) Orbit by S. Nakano NK 5370 (2025) Observed in 1st half of 2026
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Sep. 9.19924 4.9820229 1.0011973 343.27228 221.08432 48.45582 0.200 2026 June 9.0 m1 = 4.0 + 5 log Delta + 7.5 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 16 46.69 +00 14.0 16 49.25 +00 08.8 6.927 6.154 +0.73 + 3.4 14.1 11.5/ 73 35.6 5.3 313/0.15 147 .84 2026 Jan. 10 16 54.03 +00 47.7 16 56.58 +00 43.0 6.886 6.197 +0.69 + 4.1 14.1 11.1/ 69 42.5 6.2 305/0.17 65 .56 20 17 00.91 +01 27.7 17 03.45 +01 23.5 6.829 6.240 +0.63 + 4.7 14.1 10.6/ 64 49.9 6.9 298/0.20 63 .01 30 17 07.24 +02 14.1 17 09.76 +02 10.4 6.759 6.284 +0.56 + 5.3 14.1 10.0/ 58 57.5 7.6 293/0.22 147 .89 Feb. 9 17 12.90 +03 06.6 17 15.40 +03 03.3 6.677 6.329 +0.49 + 5.9 14.1 9.4/ 51 65.3 8.1 288/0.24 45 .55 19 17 17.82 +04 04.8 17 20.30 +04 01.8 6.588 6.373 +0.41 + 6.4 14.1 8.8/ 44 73.3 8.5 283/0.25 89 .03 Mar. 1 17 21.89 +05 08.1 17 24.35 +05 05.5 6.493 6.419 +0.31 + 6.8 14.1 8.2/ 35 81.3 8.8 279/0.26 124 .93 11 17 25.04 +06 15.7 17 27.48 +06 13.3 6.397 6.464 +0.22 + 7.1 14.1 7.8/ 24 89.4 8.8 274/0.27 35 .54 21 17 27.22 +07 26.6 17 29.64 +07 24.3 6.304 6.510 +0.11 + 7.3 14.1 7.5/ 13 97.5 8.7 269/0.27 117 .05 31 17 28.37 +08 39.2 17 30.76 +08 37.0 6.217 6.557 +0.01 + 7.3 14.1 7.3/ 1 105.6 8.4 263/0.26 96 .95 Apr. 10 17 28.49 +09 52.1 17 30.86 +09 49.9 6.141 6.604 -0.09 + 7.1 14.1 7.2/349 113.4 8.0 257/0.25 45 .52 20 17 27.61 +11 03.3 17 29.96 +11 01.0 6.078 6.651 -0.18 + 6.7 14.1 7.3/338 121.0 7.4 250/0.24 138 .09 30 17 25.79 +12 10.8 17 28.11 +12 08.4 6.032 6.698 -0.27 + 6.2 14.1 7.3/328 127.9 6.8 240/0.22 69 .97 May 10 17 23.16 +13 12.6 17 25.46 +13 10.0 6.006 6.746 -0.33 + 5.4 14.1 7.2/318 134.0 6.2 229/0.20 68 .49 20 17 19.86 +14 06.9 17 22.15 +14 04.1 6.002 6.794 -0.38 + 4.5 14.1 7.1/310 138.6 5.7 216/0.18 133 .15 30 17 16.12 +14 52.0 17 18.39 +14 48.9 6.022 6.842 -0.40 + 3.5 14.2 6.7/301 141.3 5.3 200/0.17 48 .98 June 9 17 12.15 +15 26.9 17 14.41 +15 23.5 6.066 6.891 -0.40 + 2.4 14.2 6.2/293 141.7 5.2 183/0.17 96 .44 19 17 08.20 +15 51.0 17 10.45 +15 47.3 6.134 6.940 -0.37 + 1.3 14.2 5.5/284 139.7 5.4 166/0.17 108 .20 29 17 04.50 +16 04.3 17 06.75 +16 00.4 6.225 6.989 -0.32 + 0.3 14.3 4.7/274 135.8 5.8 152/0.18 45 .99 July 9 17 01.26 +16 07.4 17 03.51 +16 03.3 6.337 7.039 -0.26 - 0.6 14.4 3.8/261 130.4 6.3 140/0.19 123 .37 19 16 58.65 +16 01.4 17 00.91 +15 57.1 6.468 7.088 -0.18 - 1.4 14.4 3.0/242 124.1 6.8 130/0.20 80 .26 29 16 56.81 +15 47.6 16 59.07 +15 43.2 6.615 7.138 -0.10 - 2.0 14.5 2.5/216 117.3 7.3 122/0.21 60 1.00 Aug. 8 16 55.82 +15 27.7 16 58.08 +15 23.1 6.776 7.188 -0.01 - 2.5 14.6 2.5/184 110.2 7.6 114/0.22 137 .29 18 16 55.70 +15 03.1 16 57.98 +14 58.5 6.946 7.239 +0.08 - 2.8 14.7 3.0/157 102.9 7.8 108/0.22 56 .30 28 16 56.49 +14 35.5 16 58.77 +14 31.0 7.122 7.290 +0.17 - 2.9 14.7 3.8/140 95.6 7.9 102/0.22 83 1.00 Sept. 7 16 58.13 +14 06.5 17 00.42 +14 02.1 7.301 7.340 +0.25 - 2.9 14.8 4.6/129 88.3 7.9 96/0.21 127 .21 17 17 00.60 +13 37.2 17 02.90 +13 33.0 7.480 7.391 +0.32 - 2.8 14.9 5.5/120 81.1 7.7 90/0.20 42 .33 27 17 03.84 +13 09.1 17 06.15 +13 05.2 7.655 7.443 +0.39 - 2.6 15.0 6.3/114 74.1 7.4 85/0.19 107 1.00 Oct. 7 17 07.76 +12 43.1 17 10.07 +12 39.4 7.824 7.494 +0.45 - 2.3 15.0 7.0/109 67.2 7.1 79/0.18 104 .15 17 17 12.29 +12 20.2 17 14.61 +12 16.8 7.984 7.546 +0.51 - 1.9 15.1 7.7/104 60.6 6.6 72/0.16 43 .34 27 17 17.34 +12 01.2 17 19.67 +11 58.2 8.133 7.597 +0.55 - 1.4 15.2 8.2/100 54.4 6.1 65/0.15 129 .99 Nov. 6 17 22.84 +11 46.6 17 25.17 +11 44.0 8.268 7.649 +0.58 - 0.9 15.2 8.6/ 96 48.7 5.6 56/0.13 79 .11 16 17 28.69 +11 37.2 17 31.02 +11 35.0 8.388 7.701 +0.61 - 0.3 15.3 9.0/ 92 43.6 5.1 46/0.12 56 .36 26 17 34.79 +11 33.3 17 37.13 +11 31.6 8.490 7.753 +0.63 + 0.2 15.3 9.2/ 88 39.4 4.6 35/0.11 141 .97 Dec. 6 17 41.06 +11 35.3 17 43.40 +11 34.0 8.575 7.806 +0.63 + 0.9 15.4 9.4/ 85 36.6 4.3 21/0.10 58 .09 16 17 47.41 +11 43.4 17 49.74 +11 42.6 8.642 7.858 +0.63 + 1.5 15.4 9.4/ 81 35.3 4.1 7/0.09 75 .38 26 17 53.75 +11 57.8 17 56.07 +11 57.4 8.689 7.911 +0.62 + 2.1 15.4 9.4/ 77 35.7 4.2 352/0.09 132 .94 2027 Jan. 5 17 59.98 +12 18.4 18 02.29 +12 18.5 8.717 7.964 +0.60 + 2.7 15.5 9.2/ 73 37.8 4.3 337/0.10 44 .07 15 18 06.01 +12 45.3 18 08.32 +12 45.9 8.728 8.017 +0.57 + 3.3 15.5 9.0/ 68 41.4 4.7 325/0.11 97 .41 25 18 11.75 +13 18.2 18 14.05 +13 19.2 8.721 8.069 +0.54 + 3.9 15.5 8.7/ 63 46.1 5.0 314/0.11 111 .91 Feb. 4 18 17.11 +13 56.9 18 19.40 +13 58.2 8.698 8.123 +0.49 + 4.4 15.5 8.4/ 58 51.6 5.5 305/0.12 41 .06 14 18 22.01 +14 40.8 18 24.29 +14 42.5 8.662 8.176 +0.43 + 4.9 15.5 8.0/ 52 57.6 5.9 297/0.13 119 .46 24 18 26.37 +15 29.4 18 28.63 +15 31.4 8.613 8.229 +0.37 + 5.3 15.5 7.5/ 45 64.1 6.2 290/0.14 88 .88 Mar. 6 18 30.11 +16 21.9 18 32.34 +16 24.2 8.556 8.282 +0.30 + 5.6 15.5 7.1/ 38 70.8 6.5 283/0.15 53 .05