117P/Helin-Roman-Alu Orbit by S. Nakano NK 4669 (2022) Last obs. 2025 03 03 (215)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2022 July 7.20819 3.1037866 0.2486518 8.40 225.05603 58.70769 8.64169 0.200 2026 June 9.0 m1 = 1.0 + 5 log Delta + 21.0 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 05 15.14 +27 39.7 05 18.28 +27 42.8 4.124 5.064 -0.58 - 0.3 18.9 7.7/268 161.0 3.6 100/0.16 29 .84 2026 Jan. 10 05 09.37 +27 36.3 05 12.50 +27 39.8 4.197 5.071 -0.46 - 0.4 18.9 6.2/266 149.8 5.6 93/0.25 113 .56 20 05 04.74 +27 31.6 05 07.87 +27 35.5 4.298 5.078 -0.32 - 0.5 19.0 4.3/264 138.6 7.4 90/0.32 125 .01 30 05 01.53 +27 26.9 05 04.65 +27 31.0 4.421 5.085 -0.17 - 0.4 19.1 2.3/260 127.8 8.8 88/0.37 13 .89 Feb. 9 04 59.85 +27 22.9 05 02.98 +27 27.1 4.561 5.091 -0.01 - 0.3 19.1 0.3/210 117.4 9.9 87/0.41 147 .55 19 04 59.74 +27 20.3 05 02.86 +27 24.6 4.715 5.097 +0.14 - 0.1 19.2 1.9/ 93 107.3 10.7 86/0.43 89 .03 Mar. 1 05 01.15 +27 19.5 05 04.27 +27 23.7 4.877 5.102 +0.28 + 0.1 19.3 3.8/ 89 97.5 11.1 85/0.43 51 .93 11 05 03.98 +27 20.4 05 07.10 +27 24.4 5.042 5.108 +0.41 + 0.2 19.4 5.5/ 87 88.2 11.2 85/0.42 177 .54 21 05 08.09 +27 22.9 05 11.22 +27 26.6 5.206 5.113 +0.53 + 0.3 19.5 7.0/ 87 79.2 11.0 84/0.40 53 .05 31 05 13.35 +27 26.6 05 16.48 +27 29.9 5.365 5.118 +0.63 + 0.4 19.5 8.3/ 87 70.5 10.6 84/0.38 85 .95 Apr. 10 05 19.61 +27 31.1 05 22.74 +27 33.9 5.515 5.122 +0.71 + 0.4 19.6 9.5/ 87 62.0 9.9 84/0.35 154 .52 20 05 26.73 +27 35.9 05 29.87 +27 38.2 5.655 5.127 +0.79 + 0.4 19.7 10.4/ 87 53.9 9.1 84/0.31 19 .09 30 05 34.58 +27 40.6 05 37.72 +27 42.3 5.780 5.131 +0.85 + 0.4 19.7 11.2/ 88 45.9 8.1 84/0.27 115 .97 May 10 05 43.02 +27 44.7 05 46.17 +27 45.8 5.891 5.135 +0.89 + 0.3 19.8 11.9/ 88 38.1 7.0 83/0.23 127 .49 20 05 51.96 +27 48.0 05 55.11 +27 48.5 5.984 5.138 +0.93 + 0.2 19.8 12.4/ 89 30.6 5.7 82/0.19 14 .15 30 06 01.27 +27 50.2 06 04.42 +27 50.0 6.058 5.141 +0.96 0.0 19.8 12.7/ 89 23.1 4.4 80/0.14 142 .98 June 9 06 10.86 +27 51.1 06 14.01 +27 50.2 6.113 5.144 +0.98 - 0.1 19.9 13.0/ 90 15.9 3.1 76/0.10 98 .44 19 06 20.62 +27 50.5 06 23.77 +27 48.9 6.148 5.147 +0.98 - 0.3 19.9 13.1/ 91 9.1 1.8 63/0.06 46 .20 29 06 30.48 +27 48.5 06 33.62 +27 46.2 6.162 5.149 +0.98 - 0.4 19.9 13.1/ 91 4.6 0.9 10/0.03 169 .99 July 9 06 40.32 +27 45.2 06 43.46 +27 42.2 6.155 5.151 +0.97 - 0.5 19.9 13.0/ 92 8.2 1.6 308/0.05 68 .37 19 06 50.08 +27 40.6 06 53.21 +27 36.9 6.128 5.153 +0.96 - 0.6 19.9 12.7/ 92 14.9 2.9 293/0.09 75 .26 29 06 59.65 +27 35.1 07 02.77 +27 30.7 6.081 5.155 +0.93 - 0.7 19.9 12.4/ 93 22.1 4.3 288/0.14 165 1.00 Aug. 8 07 08.95 +27 28.9 07 12.06 +27 23.8 6.014 5.156 +0.89 - 0.7 19.9 11.9/ 93 29.5 5.6 286/0.18 36 .29 18 07 17.88 +27 22.5 07 20.98 +27 16.8 5.929 5.157 +0.85 - 0.7 19.8 11.3/ 93 37.0 6.8 285/0.22 103 .30 28 07 26.34 +27 16.4 07 29.43 +27 10.1 5.826 5.157 +0.79 - 0.6 19.8 10.5/ 93 44.7 7.9 284/0.26 137 1.00 Sept. 7 07 34.23 +27 11.1 07 37.32 +27 04.3 5.707 5.158 +0.72 - 0.4 19.7 9.6/ 92 52.6 8.9 284/0.30 3 .21 17 07 41.44 +27 07.2 07 44.51 +27 00.0 5.575 5.158 +0.64 - 0.2 19.7 8.5/ 91 60.7 9.8 283/0.34 130 .33 27 07 47.83 +27 05.6 07 50.90 +26 57.9 5.431 5.158 +0.55 + 0.1 19.6 7.3/ 89 69.0 10.5 283/0.37 107 1.00 Oct. 7 07 53.29 +27 06.7 07 56.35 +26 58.7 5.279 5.158 +0.44 + 0.4 19.6 5.9/ 85 77.6 10.9 283/0.40 33 .15 17 07 57.68 +27 11.3 08 00.73 +27 03.0 5.121 5.157 +0.32 + 0.8 19.5 4.3/ 78 86.5 11.1 282/0.42 158 .34 27 08 00.85 +27 20.0 08 03.91 +27 11.5 4.961 5.156 +0.18 + 1.3 19.4 2.8/ 62 95.7 11.1 281/0.43 73 .99 Nov. 6 08 02.69 +27 33.1 08 05.75 +27 24.5 4.804 5.155 +0.04 + 1.8 19.4 1.8/ 17 105.3 10.7 280/0.43 68 .11 16 08 03.08 +27 50.6 08 06.15 +27 42.0 4.653 5.153 -0.11 + 2.2 19.3 2.6/326 115.2 10.0 279/0.42 169 .36 26 08 01.96 +28 12.3 08 05.03 +28 03.7 4.515 5.151 -0.26 + 2.5 19.2 4.3/306 125.5 9.0 277/0.39 35 .97 Dec. 6 07 59.31 +28 37.2 08 02.40 +28 28.8 4.394 5.149 -0.41 + 2.7 19.2 6.0/297 136.1 7.6 274/0.34 103 .09 16 07 55.23 +29 04.0 07 58.33 +28 55.9 4.294 5.147 -0.53 + 2.7 19.1 7.5/292 146.9 6.0 270/0.28 135 .38 26 07 49.92 +29 30.9 07 53.03 +29 23.1 4.221 5.144 -0.62 + 2.5 19.1 8.5/288 157.7 4.2 262/0.20 9 .94 2027 Jan. 5 07 43.69 +29 56.0 07 46.82 +29 48.6 4.177 5.141 -0.67 + 2.2 19.0 9.0/284 167.5 2.4 243/0.12 140 .07 15 07 36.97 +30 17.3 07 40.12 +30 10.4 4.164 5.138 -0.67 + 1.7 19.0 8.8/281 171.0 1.7 184/0.07 97 .41 25 07 30.25 +30 33.5 07 33.42 +30 27.0 4.183 5.135 -0.62 + 1.1 19.0 8.1/278 163.5 3.1 132/0.13 50 .91 Feb. 4 07 24.03 +30 43.7 07 27.21 +30 37.6 4.233 5.131 -0.53 + 0.5 19.0 6.8/274 153.0 5.0 116/0.21 174 .06 14 07 18.75 +30 48.0 07 21.93 +30 42.3 4.311 5.127 -0.40 - 0.1 19.1 5.2/269 142.2 6.8 109/0.28 57 .46 24 07 14.73 +30 46.8 07 17.92 +30 41.4 4.413 5.123 -0.25 - 0.6 19.1 3.3/260 131.5 8.3 105/0.34 89 .88 Mar. 6 07 12.19 +30 41.1 07 15.38 +30 35.8 4.534 5.118 -0.10 - 0.9 19.2 1.6/233 121.2 9.5 102/0.38 148 .05