152P/Helin-Lawrence Orbit by S. Nakano NK 3284 (2017) Observed in 2nd half of 2021
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2022 Jan. 13.84964 3.0951070 0.3085788 9.47 163.97852 91.85773 9.88036 0.200 2022 Aug. 9.0 m1 = 8.5 + 5 log Delta + 11.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Jan. 1 17 13.46 -20 33.5 17 16.43 -20 36.8 3.997 3.096 +1.66 - 2.8 16.9 23.4/ 98 20.6 6.4 281/0.30 6 .05 11 17 30.01 -21 02.9 17 33.00 -21 04.9 3.941 3.095 +1.64 - 2.2 16.9 23.0/ 96 26.8 8.2 277/0.40 131 .62 21 17 46.35 -21 25.6 17 49.35 -21 26.5 3.872 3.095 +1.60 - 1.5 16.8 22.4/ 95 33.1 10.0 274/0.49 112 .91 31 18 02.38 -21 42.2 18 05.38 -21 41.9 3.792 3.096 +1.56 - 1.0 16.8 21.7/ 93 39.6 11.7 272/0.58 23 .02 Feb. 10 18 17.94 -21 53.2 18 20.95 -21 51.8 3.700 3.098 +1.50 - 0.5 16.7 20.8/ 92 46.1 13.3 269/0.67 151 .63 20 18 32.91 -21 59.5 18 35.92 -21 57.0 3.599 3.102 +1.42 - 0.2 16.7 19.8/ 91 52.7 14.7 267/0.77 87 .88 Mar. 2 18 47.16 -22 02.1 18 50.17 -21 58.6 3.490 3.106 +1.34 + 0.1 16.6 18.6/ 90 59.5 16.0 266/0.85 50 .01 12 19 00.54 -22 02.2 19 03.54 -21 57.8 3.372 3.110 +1.23 + 0.2 16.6 17.2/ 90 66.4 17.0 264/0.94 172 .64 22 19 12.90 -22 01.2 19 15.89 -21 55.9 3.250 3.116 +1.12 + 0.1 16.5 15.5/ 90 73.5 17.8 263/1.02 59 .84 Apr. 1 19 24.08 -22 00.5 19 27.06 -21 54.4 3.123 3.123 +0.98 - 0.1 16.4 13.7/ 91 80.8 18.4 262/1.09 78 .00 11 19 33.90 -22 01.7 19 36.87 -21 55.0 2.994 3.131 +0.83 - 0.4 16.3 11.5/ 92 88.4 18.7 261/1.15 162 .66 21 19 42.18 -22 06.5 19 45.15 -21 59.2 2.866 3.139 +0.66 - 0.9 16.3 9.2/ 96 96.3 18.5 260/1.19 27 .77 May 1 19 48.75 -22 16.4 19 51.72 -22 08.6 2.740 3.149 +0.47 - 1.6 16.2 6.7/104 104.6 18.0 260/1.21 106 .00 11 19 53.41 -22 32.7 19 56.37 -22 24.6 2.621 3.159 +0.26 - 2.3 16.1 4.3/123 113.3 17.1 260/1.20 134 .69 21 19 56.01 -22 56.3 19 58.98 -22 48.1 2.511 3.170 +0.05 - 3.1 16.0 3.2/169 122.4 15.6 260/1.14 10 .70 31 19 56.45 -23 27.6 19 59.44 -23 19.4 2.414 3.182 -0.17 - 3.8 15.9 4.5/211 132.0 13.7 261/1.04 138 .00 June 10 19 54.73 -24 05.9 19 57.72 -23 57.8 2.333 3.195 -0.37 - 4.4 15.9 6.7/229 142.0 11.3 263/0.89 99 .74 20 19 51.00 -24 49.5 19 54.02 -24 41.6 2.273 3.208 -0.54 - 4.6 15.9 8.7/237 152.4 8.4 266/0.68 48 .62 30 19 45.61 -25 35.6 19 48.64 -25 28.0 2.237 3.223 -0.65 - 4.6 15.8 9.9/242 163.0 5.3 274/0.43 173 .01 July 10 19 39.10 -26 20.8 19 42.16 -26 13.7 2.226 3.238 -0.69 - 4.2 15.9 10.1/245 172.8 2.3 302/0.19 58 .80 20 19 32.20 -27 02.0 19 35.28 -26 55.3 2.244 3.253 -0.65 - 3.5 15.9 9.4/248 172.2 2.4 39/0.20 88 .56 30 19 25.66 -27 36.5 19 28.76 -27 30.3 2.288 3.270 -0.54 - 2.7 16.0 7.7/249 162.3 5.4 64/0.44 149 .02 Aug. 9 19 20.23 -28 02.9 19 23.35 -27 57.0 2.358 3.287 -0.38 - 1.8 16.0 5.3/250 151.7 8.4 71/0.65 16 .86 19 19 16.46 -28 21.0 19 19.59 -28 15.4 2.452 3.304 -0.18 - 1.0 16.2 2.6/246 141.4 11.0 75/0.83 126 .52 29 19 14.68 -28 31.3 19 17.81 -28 25.8 2.566 3.323 +0.04 - 0.3 16.3 0.6/124 131.5 13.2 77/0.95 113 .03 Sept. 8 19 15.06 -28 34.7 19 18.19 -28 29.2 2.697 3.342 +0.25 + 0.3 16.4 3.3/ 85 122.0 14.8 78/1.01 25 .92 18 19 17.55 -28 31.9 19 20.68 -28 26.3 2.841 3.361 +0.45 + 0.8 16.6 6.0/ 82 112.9 16.0 79/1.04 158 .49 28 19 22.04 -28 23.8 19 25.16 -28 17.8 2.994 3.381 +0.63 + 1.4 16.7 8.4/ 81 104.1 16.7 80/1.03 79 .05 Oct. 8 19 28.33 -28 10.6 19 31.45 -28 04.2 3.153 3.401 +0.78 + 1.9 16.8 10.6/ 80 95.8 17.0 80/1.00 60 .96 18 19 36.20 -27 52.5 19 39.29 -27 45.6 3.315 3.422 +0.92 + 2.3 17.0 12.4/ 80 87.7 16.9 81/0.95 175 .47 28 19 45.41 -27 29.7 19 48.49 -27 22.2 3.477 3.444 +1.03 + 2.8 17.1 14.1/ 79 79.9 16.5 81/0.89 47 .08 Nov. 7 19 55.76 -27 02.1 19 58.81 -26 53.9 3.637 3.466 +1.12 + 3.3 17.2 15.4/ 78 72.3 15.8 81/0.81 90 .98 17 20 07.02 -26 29.8 20 10.05 -26 20.9 3.792 3.488 +1.20 + 3.8 17.4 16.6/ 78 64.8 14.9 80/0.74 150 .46 27 20 19.01 -25 52.8 20 22.02 -25 43.2 3.940 3.511 +1.25 + 4.2 17.5 17.5/ 77 57.6 13.7 80/0.66 16 .13 Dec. 7 20 31.58 -25 11.2 20 34.55 -25 00.9 4.079 3.534 +1.29 + 4.7 17.6 18.3/ 76 50.4 12.4 81/0.58 117 .99 17 20 44.56 -24 25.4 20 47.50 -24 14.3 4.207 3.557 +1.32 + 5.1 17.7 18.8/ 75 43.4 11.0 81/0.49 126 .44 27 20 57.82 -23 35.5 21 00.73 -23 23.7 4.324 3.581 +1.34 + 5.4 17.8 19.3/ 74 36.5 9.4 82/0.41 14 .18 2023 Jan. 6 21 11.26 -22 42.0 21 14.13 -22 29.6 4.426 3.605 +1.35 + 5.7 17.9 19.6/ 74 29.7 7.8 84/0.33 141 .99 16 21 24.75 -21 45.5 21 27.59 -21 32.4 4.514 3.629 +1.34 + 6.0 17.9 19.7/ 73 23.0 6.1 87/0.26 101 .41 26 21 38.23 -20 46.3 21 41.04 -20 32.7 4.587 3.654 +1.33 + 6.2 18.0 19.8/ 72 16.5 4.4 93/0.18 42 .23 Feb. 5 21 51.61 -19 45.3 21 54.38 -19 31.1 4.643 3.679 +1.32 + 6.3 18.1 19.7/ 72 10.6 2.8 107/0.12 163 .99 15 22 04.81 -18 43.1 22 07.55 -18 28.4 4.683 3.704 +1.29 + 6.3 18.1 19.5/ 72 6.7 1.8 147/0.07 75 .36 25 22 17.78 -17 40.3 22 20.49 -17 25.2 4.705 3.729 +1.27 + 6.3 18.2 19.2/ 71 8.4 2.2 198/0.09 68 .27 Mar. 7 22 30.46 -16 37.9 22 33.15 -16 22.4 4.711 3.754 +1.23 + 6.2 18.2 18.8/ 71 13.7 3.6 220/0.15 173 1.00 17 22 42.80 -15 36.5 22 45.46 -15 20.7 4.699 3.780 +1.19 + 6.0 18.2 18.3/ 71 20.0 5.2 228/0.21 46 .29 27 22 54.74 -14 36.9 22 57.38 -14 20.9 4.671 3.805 +1.15 + 5.7 18.2 17.6/ 71 26.6 6.7 233/0.28 92 .30 Apr. 6 23 06.23 -13 40.1 23 08.85 -13 23.8 4.628 3.831 +1.10 + 5.3 18.2 16.9/ 72 33.3 8.2 236/0.34 149 1.00 16 23 17.20 -12 46.8 23 19.81 -12 30.4 4.569 3.857 +1.04 + 4.9 18.2 16.0/ 72 40.2 9.7 238/0.41 16 .22 26 23 27.60 -11 57.9 23 30.20 -11 41.3 4.497 3.883 +0.97 + 4.4 18.2 15.0/ 73 47.2 11.0 239/0.47 116 .32 May 6 23 37.35 -11 14.2 23 39.94 -10 57.6 4.411 3.909 +0.90 + 3.8 18.2 13.8/ 74 54.3 12.1 241/0.53 122 1.00 16 23 46.38 -10 36.6 23 48.95 -10 19.9 4.315 3.936 +0.82 + 3.1 18.2 12.5/ 76 61.6 13.1 242/0.58 17 .15