C/2013 C2 (Tenagra) Orbit by S. Nakano CBET 5619 (2025) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2015 Aug. 30.77516 9.1089476 0.4261998 63.3 308.74078 247.56752 21.36959 0.200 2026 June 9.0 m1 = 4.5 + 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 19 58.39 -03 24.3 20 01.01 -03 16.0 15.920 15.058 +0.29 + 0.8 19.3 4.5/ 80 27.9 1.8 43/0.02 107 .84 2026 Jan. 10 20 01.32 -03 16.5 20 03.93 -03 07.9 15.990 15.078 +0.30 + 1.0 19.4 4.6/ 77 21.3 1.4 26/0.02 110 .56 20 20 04.30 -03 06.5 20 06.91 -02 57.8 16.034 15.097 +0.30 + 1.2 19.4 4.6/ 75 17.3 1.1 0/0.01 21 .01 30 20 07.27 -02 54.6 20 09.88 -02 45.7 16.051 15.116 +0.29 + 1.4 19.4 4.5/ 72 17.8 1.1 329/0.01 140 .89 Feb. 9 20 10.16 -02 40.9 20 12.77 -02 31.9 16.042 15.135 +0.28 + 1.5 19.4 4.4/ 70 22.5 1.4 305/0.02 83 .55 19 20 12.93 -02 25.8 20 15.53 -02 16.6 16.007 15.154 +0.26 + 1.6 19.4 4.2/ 67 29.4 1.8 290/0.02 45 .03 Mar. 1 20 15.51 -02 09.5 20 18.11 -02 00.1 15.949 15.173 +0.23 + 1.7 19.4 3.9/ 64 37.3 2.3 280/0.03 160 .93 11 20 17.86 -01 52.4 20 20.45 -01 42.8 15.869 15.193 +0.21 + 1.8 19.4 3.6/ 60 45.7 2.7 274/0.03 55 .54 21 20 19.92 -01 34.6 20 22.50 -01 25.0 15.770 15.212 +0.17 + 1.8 19.4 3.2/ 55 54.4 3.1 269/0.04 77 .05 31 20 21.65 -01 16.8 20 24.23 -01 07.0 15.655 15.231 +0.14 + 1.8 19.3 2.7/ 49 63.2 3.4 265/0.04 140 .95 Apr. 10 20 23.02 -00 59.1 20 25.60 -00 49.2 15.527 15.250 +0.10 + 1.7 19.3 2.3/ 40 72.1 3.6 262/0.05 30 .52 20 20 24.00 -00 42.0 20 26.57 -00 32.1 15.391 15.269 +0.06 + 1.6 19.3 1.8/ 28 81.1 3.7 258/0.05 112 .09 30 20 24.57 -00 25.8 20 27.14 -00 15.9 15.251 15.288 +0.02 + 1.5 19.3 1.5/ 9 90.2 3.8 255/0.05 109 .97 May 10 20 24.73 -00 11.0 20 27.29 -00 01.1 15.112 15.307 -0.03 + 1.3 19.3 1.4/343 99.3 3.7 252/0.05 23 .49 20 20 24.47 +00 02.1 20 27.03 +00 12.0 14.977 15.326 -0.07 + 1.1 19.3 1.5/318 108.4 3.6 249/0.05 146 .15 30 20 23.81 +00 13.1 20 26.37 +00 23.0 14.851 15.345 -0.10 + 0.9 19.3 1.8/299 117.4 3.4 245/0.04 78 .98 June 9 20 22.79 +00 21.9 20 25.34 +00 31.7 14.739 15.364 -0.14 + 0.6 19.2 2.1/287 126.4 3.0 241/0.04 48 .44 19 20 21.43 +00 28.2 20 23.98 +00 37.9 14.645 15.383 -0.16 + 0.4 19.2 2.5/278 135.3 2.7 235/0.04 156 .20 29 20 19.79 +00 31.8 20 22.35 +00 41.4 14.571 15.402 -0.18 + 0.1 19.2 2.8/272 143.7 2.2 227/0.03 48 .99 July 9 20 17.95 +00 32.7 20 20.50 +00 42.2 14.520 15.421 -0.20 - 0.2 19.2 3.0/266 151.4 1.8 215/0.02 83 .37 19 20 15.97 +00 31.0 20 18.53 +00 40.4 14.496 15.440 -0.20 - 0.4 19.2 3.1/262 157.4 1.4 196/0.02 128 .26 29 20 13.95 +00 26.8 20 16.50 +00 36.1 14.500 15.458 -0.20 - 0.7 19.2 3.1/258 160.2 1.3 169/0.02 24 1.00 Aug. 8 20 11.95 +00 20.3 20 14.50 +00 29.5 14.531 15.477 -0.19 - 0.9 19.2 2.9/253 158.3 1.4 141/0.02 120 .29 18 20 10.07 +00 11.9 20 12.63 +00 21.0 14.590 15.496 -0.17 - 1.0 19.2 2.7/248 152.7 1.7 121/0.02 96 .30 28 20 08.38 +00 02.0 20 10.94 +00 10.9 14.675 15.515 -0.14 - 1.1 19.3 2.4/243 145.2 2.1 108/0.03 33 1.00 Sept. 7 20 06.96 -00 09.0 20 09.53 -00 00.1 14.785 15.534 -0.11 - 1.2 19.3 2.0/235 136.7 2.5 99/0.03 153 .21 17 20 05.87 -00 20.5 20 08.44 -00 11.7 14.916 15.553 -0.07 - 1.2 19.3 1.6/223 127.8 2.9 93/0.04 65 .33 27 20 05.15 -00 32.1 20 07.72 -00 23.4 15.066 15.571 -0.03 - 1.1 19.3 1.2/203 118.7 3.2 88/0.04 64 1.00 Oct. 7 20 04.82 -00 43.4 20 07.40 -00 34.6 15.229 15.590 +0.01 - 1.0 19.4 1.0/172 109.4 3.5 84/0.04 150 .15 17 20 04.92 -00 53.7 20 07.50 -00 45.0 15.403 15.609 +0.05 - 0.9 19.4 1.2/139 100.1 3.6 81/0.05 37 .34 27 20 05.44 -01 02.9 20 08.02 -00 54.1 15.582 15.627 +0.09 - 0.7 19.4 1.6/118 90.8 3.6 77/0.05 98 .99 Nov. 6 20 06.38 -01 10.4 20 08.96 -01 01.5 15.762 15.646 +0.13 - 0.6 19.4 2.1/106 81.5 3.6 74/0.05 119 .11 16 20 07.70 -01 16.0 20 10.28 -01 07.1 15.937 15.665 +0.17 - 0.3 19.5 2.5/ 98 72.3 3.4 71/0.04 20 .36 26 20 09.39 -01 19.5 20 11.97 -01 10.5 16.104 15.683 +0.20 - 0.1 19.5 3.0/ 92 63.2 3.2 67/0.04 133 .97 Dec. 6 20 11.39 -01 20.7 20 13.97 -01 11.6 16.258 15.702 +0.23 + 0.1 19.5 3.4/ 88 54.2 2.9 63/0.04 88 .09 16 20 13.66 -01 19.6 20 16.24 -01 10.3 16.395 15.721 +0.25 + 0.4 19.5 3.8/ 84 45.5 2.6 57/0.03 37 .38 26 20 16.15 -01 16.1 20 18.74 -01 06.7 16.513 15.739 +0.27 + 0.6 19.6 4.0/ 81 37.0 2.2 50/0.03 160 .94 2027 Jan. 5 20 18.81 -01 10.2 20 21.39 -01 00.6 16.609 15.758 +0.28 + 0.8 19.6 4.2/ 79 29.2 1.7 40/0.02 58 .07 15 20 21.58 -01 02.1 20 24.16 -00 52.3 16.680 15.776 +0.28 + 1.0 19.6 4.3/ 76 22.6 1.4 24/0.02 66 .41 25 20 24.39 -00 51.8 20 26.97 -00 41.9 16.726 15.795 +0.28 + 1.2 19.6 4.4/ 74 18.5 1.1 0/0.01 146 .91 Feb. 4 20 27.19 -00 39.6 20 29.77 -00 29.5 16.745 15.813 +0.27 + 1.4 19.6 4.3/ 71 18.6 1.1 330/0.01 32 .06 14 20 29.93 -00 25.6 20 32.50 -00 15.4 16.738 15.832 +0.26 + 1.6 19.6 4.2/ 68 22.8 1.4 307/0.02 98 .46 24 20 32.54 -00 10.2 20 35.10 +00 00.2 16.705 15.850 +0.24 + 1.7 19.6 4.0/ 65 29.4 1.8 291/0.02 116 .88 Mar. 6 20 34.98 +00 06.3 20 37.54 +00 16.9 16.649 15.869 +0.22 + 1.8 19.6 3.7/ 62 37.1 2.2 281/0.03 19 .05