128P/Shoemaker-Holt-B Orbit by S. Nakano NK 3529 (2018) Last obs. 2018 03 21 (C97)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 July 16.73533 3.0374213 0.3223793 9.49 210.49309 214.31167 4.37093 0.200 2025 May 5.0 m1 = 2.0 + 5 log Delta + 25.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Variation Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , for T=+1 day m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 21 19.55 -11 59.2 21 22.26 -11 46.4 4.793 4.156 -0.36 - 1.5 20.9 14.9/ 74 45.0 9.6 69/0.38 102 .23 2025 Jan. 5 21 29.35 -11 19.0 21 32.05 -11 05.7 4.868 4.129 -0.36 - 1.6 20.8 15.8/ 73 37.3 8.3 67/0.33 27 .28 15 21 39.63 -10 33.7 21 42.31 -10 20.0 4.926 4.101 -0.36 - 1.6 20.8 16.5/ 72 29.8 6.8 65/0.27 162 .99 25 21 50.30 -09 43.7 21 52.96 -09 29.5 4.966 4.074 -0.36 - 1.7 20.7 17.1/ 72 22.4 5.3 63/0.20 78 .22 Feb. 4 22 01.25 -08 49.4 22 03.89 -08 34.8 4.989 4.046 -0.37 - 1.8 20.7 17.5/ 71 15.2 3.7 58/0.14 57 .35 14 22 12.39 -07 51.3 22 15.02 -07 36.4 4.993 4.018 -0.37 - 1.8 20.6 17.8/ 70 8.3 2.0 48/0.08 170 .98 24 22 23.66 -06 50.1 22 26.27 -06 34.8 4.979 3.991 -0.38 - 1.9 20.5 18.0/ 69 3.0 0.8 350/0.03 53 .19 Mar. 6 22 34.97 -05 46.1 22 37.57 -05 30.5 4.946 3.963 -0.38 - 2.0 20.4 18.1/ 69 7.1 1.8 273/0.07 87 .42 16 22 46.25 -04 40.2 22 48.84 -04 24.3 4.895 3.935 -0.39 - 2.1 20.3 18.1/ 68 13.7 3.4 260/0.13 148 .97 26 22 57.46 -03 32.7 23 00.04 -03 16.6 4.827 3.908 -0.40 - 2.2 20.2 17.9/ 68 20.5 5.1 255/0.20 27 .16 Apr. 5 23 08.53 -02 24.5 23 11.10 -02 08.2 4.742 3.880 -0.41 - 2.2 20.1 17.6/ 67 27.3 6.8 253/0.27 116 .49 15 23 19.38 -01 16.2 23 21.95 -00 59.7 4.641 3.853 -0.43 - 2.3 20.0 17.3/ 67 34.2 8.4 251/0.35 125 .96 25 23 29.97 -00 08.4 23 32.53 +00 08.2 4.527 3.825 -0.44 - 2.4 19.8 16.7/ 67 41.0 9.9 250/0.42 3 .11 May 5 23 40.22 +00 58.1 23 42.78 +01 14.8 4.399 3.798 -0.46 - 2.5 19.7 16.1/ 66 47.9 11.4 249/0.49 142 .54 15 23 50.04 +02 02.6 23 52.60 +02 19.3 4.260 3.771 -0.48 - 2.6 19.6 15.3/ 66 54.9 12.7 249/0.56 100 .95 25 23 59.37 +03 04.4 00 01.93 +03 21.1 4.112 3.744 -0.50 - 2.7 19.4 14.3/ 66 62.0 13.8 248/0.64 32 .07 June 4 00 08.09 +04 02.5 00 10.66 +04 19.2 3.955 3.717 -0.53 - 2.8 19.2 13.1/ 66 69.2 14.8 248/0.70 168 .58 14 00 16.10 +04 56.1 00 18.67 +05 12.7 3.792 3.690 -0.55 - 2.9 19.1 11.7/ 66 76.5 15.5 247/0.77 73 .93 24 00 23.26 +05 44.2 00 25.83 +06 00.9 3.626 3.664 -0.58 - 3.1 18.9 10.1/ 66 84.1 16.0 247/0.83 64 .03 July 4 00 29.41 +06 25.9 00 31.99 +06 42.5 3.458 3.638 -0.62 - 3.2 18.7 8.2/ 65 92.0 16.2 247/0.88 165 .61 14 00 34.41 +07 00.0 00 37.00 +07 16.5 3.292 3.611 -0.65 - 3.4 18.5 6.0/ 65 100.1 16.1 246/0.91 42 .89 24 00 38.10 +07 25.4 00 40.68 +07 41.9 3.130 3.586 -0.69 - 3.6 18.3 3.6/ 65 108.6 15.6 246/0.93 98 .01 Aug. 3 00 40.29 +07 40.8 00 42.88 +07 57.2 2.975 3.560 -0.73 - 3.8 18.2 1.0/ 63 117.6 14.6 245/0.91 136 .64 13 00 40.88 +07 45.3 00 43.47 +08 01.7 2.832 3.535 -0.77 - 4.0 18.0 1.8/246 127.0 13.2 245/0.87 6 .84 23 00 39.80 +07 37.9 00 42.39 +07 54.4 2.703 3.510 -0.81 - 4.2 17.8 4.5/244 136.9 11.4 244/0.78 134 .00 Sept. 2 00 37.07 +07 18.5 00 39.66 +07 35.0 2.594 3.485 -0.85 - 4.4 17.6 6.9/244 147.2 9.0 242/0.64 104 .66 12 00 32.90 +06 47.7 00 35.48 +07 04.2 2.507 3.461 -0.88 - 4.6 17.5 8.8/243 158.0 6.2 239/0.46 36 .77 22 00 27.62 +06 07.2 00 30.20 +06 23.7 2.446 3.437 -0.89 - 4.7 17.3 10.0/242 169.1 3.2 232/0.24 171 .00 Oct. 2 00 21.75 +05 20.0 00 24.32 +05 36.7 2.414 3.414 -0.90 - 4.8 17.2 10.0/241 177.1 0.8 137/0.06 66 .70 12 00 15.90 +04 30.5 00 18.47 +04 47.2 2.410 3.391 -0.89 - 4.8 17.2 9.1/239 167.3 3.7 78/0.29 79 .69 22 00 10.69 +03 43.1 00 13.26 +03 59.8 2.435 3.369 -0.87 - 4.7 17.1 7.3/236 156.0 6.9 72/0.52 151 .00 Nov. 1 00 06.69 +03 02.1 00 09.25 +03 18.8 2.485 3.347 -0.84 - 4.5 17.1 4.7/229 144.9 9.8 70/0.73 27 .73 11 00 04.30 +02 30.9 00 06.86 +02 47.6 2.559 3.325 -0.81 - 4.3 17.1 2.1/203 134.2 12.3 68/0.89 120 .63 21 00 03.74 +02 11.7 00 06.30 +02 28.4 2.651 3.304 -0.77 - 4.1 17.1 2.1/107 123.8 14.4 68/1.00 116 .01 Dec. 1 00 05.11 +02 05.5 00 07.67 +02 22.2 2.757 3.284 -0.74 - 3.9 17.1 4.9/ 82 114.0 15.9 67/1.07 10 .78 11 00 08.36 +02 12.2 00 10.92 +02 28.9 2.873 3.264 -0.71 - 3.7 17.1 7.7/ 76 104.7 17.0 67/1.09 155 .59 21 00 13.36 +02 31.3 00 15.92 +02 47.9 2.995 3.245 -0.68 - 3.5 17.2 10.4/ 73 95.8 17.6 67/1.09 86 .01 31 00 19.97 +03 01.6 00 22.53 +03 18.2 3.120 3.227 -0.66 - 3.4 17.2 12.7/ 71 87.3 17.7 67/1.06 45 .84 2026 Jan. 10 00 27.99 +03 41.8 00 30.56 +03 58.4 3.245 3.209 -0.65 - 3.3 17.2 14.7/ 71 79.2 17.5 67/1.01 176 .56 20 00 37.27 +04 30.6 00 39.85 +04 47.1 3.366 3.192 -0.63 - 3.2 17.2 16.5/ 70 71.5 17.0 67/0.94 58 .01 30 00 47.66 +05 26.6 00 50.24 +05 42.9 3.481 3.176 -0.62 - 3.1 17.3 18.0/ 70 64.0 16.2 67/0.87 77 .89 Feb. 9 00 58.99 +06 28.2 01 01.58 +06 44.4 3.589 3.161 -0.61 - 3.0 17.3 19.3/ 70 56.9 15.2 67/0.79 152 .55 19 01 11.15 +07 34.3 01 13.76 +07 50.2 3.689 3.146 -0.61 - 2.9 17.3 20.4/ 70 50.0 13.9 68/0.71 32 .03 Mar. 1 01 24.05 +08 43.6 01 26.67 +08 59.1 3.778 3.132 -0.61 - 2.8 17.3 21.2/ 70 43.3 12.5 68/0.63 105 .93