88P/Howell Orbit by S. Nakano NK 4071 (2020) : T is corrected by -0.02 day.
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 Mar. 18.74399 1.3577960 0.5632938 5.48 235.85708 56.66741 4.38170 0.200 2026 June 9.0 pre-T: m1 = 5.5 + 5 log Delta + 27.0 log r post-T: m1 = 7.0 + 5 log Delta + 18.0 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 16 46.43 -22 26.9 16 49.43 -22 32.1 2.427 1.596 +3.35 - 6.1 12.9 46.7/ 99 25.4 15.4 277/1.16 157 .84 2026 Jan. 10 17 19.93 -23 29.9 17 22.97 -23 32.7 2.344 1.544 +3.52 - 3.5 12.4 48.4/ 96 27.9 17.3 273/1.35 70 .56 20 17 55.11 -24 07.3 17 58.18 -24 07.6 2.266 1.497 +3.65 - 0.5 12.0 50.0/ 92 30.0 19.2 269/1.54 44 .01 30 18 31.63 -24 15.0 18 34.69 -24 12.6 2.196 1.455 +3.74 + 2.7 11.6 51.3/ 89 31.8 20.9 265/1.72 172 .89 Feb. 9 19 09.01 -23 50.2 19 12.04 -23 45.2 2.135 1.420 +3.76 + 6.1 11.3 52.2/ 85 33.5 22.5 261/1.89 62 .55 19 19 46.70 -22 51.9 19 49.67 -22 44.3 2.083 1.392 +3.73 + 9.3 11.0 52.7/ 82 34.9 24.0 257/2.05 53 .03 Mar. 1 20 24.09 -21 21.2 20 27.00 -21 11.3 2.041 1.372 +3.65 +12.2 10.8 52.8/ 78 36.2 25.2 254/2.20 175 .93 11 21 00.66 -19 21.6 21 03.49 -19 09.7 2.009 1.361 +3.53 +14.5 10.6 52.4/ 75 37.4 26.3 250/2.32 57 .54 21 21 36.00 -16 58.1 21 38.75 -16 44.6 1.985 1.358 +3.37 +16.2 10.9 51.4/ 73 38.6 27.2 248/2.42 64 .05 31 22 09.80 -14 17.2 22 12.49 -14 02.4 1.970 1.365 +3.21 +17.3 10.9 50.0/ 71 40.0 28.0 246/2.51 164 .95 Apr. 10 22 41.94 -11 25.3 22 44.58 -11 09.6 1.960 1.380 +3.04 +17.7 11.0 48.3/ 69 41.5 28.7 245/2.58 51 .52 20 23 12.37 -08 28.7 23 14.96 -08 12.4 1.956 1.404 +2.87 +17.6 11.1 46.2/ 68 43.2 29.3 244/2.63 78 .09 30 23 41.08 -05 33.1 23 43.65 -05 16.4 1.953 1.435 +2.71 +17.0 11.3 43.9/ 67 45.2 29.9 243/2.68 153 .97 May 10 00 08.14 -02 42.8 00 10.70 -02 26.1 1.951 1.473 +2.55 +16.1 11.5 41.5/ 67 47.6 30.4 244/2.73 41 .49 20 00 33.62 -00 01.3 00 36.18 +00 15.2 1.948 1.517 +2.39 +15.0 11.7 38.9/ 67 50.3 30.9 244/2.77 95 .15 30 00 57.53 +02 28.7 01 00.10 +02 44.9 1.943 1.567 +2.24 +13.7 12.0 36.2/ 68 53.4 31.3 245/2.81 141 .98 June 9 01 19.91 +04 45.8 01 22.50 +05 01.5 1.933 1.620 +2.09 +12.2 12.2 33.4/ 68 57.0 31.7 246/2.86 27 .44 19 01 40.73 +06 48.9 01 43.35 +07 03.9 1.917 1.678 +1.92 +10.8 12.5 30.5/ 69 60.9 32.0 247/2.90 115 .20 29 01 59.93 +08 37.4 02 02.58 +08 51.8 1.895 1.738 +1.75 + 9.3 12.7 27.5/ 70 65.4 32.1 248/2.95 125 .99 July 9 02 17.42 +10 11.4 02 20.10 +10 25.1 1.867 1.800 +1.56 + 7.9 12.9 24.3/ 71 70.3 32.1 250/2.99 9 .37 19 02 33.03 +11 31.0 02 35.74 +11 44.0 1.832 1.864 +1.36 + 6.5 13.2 20.9/ 72 75.7 31.9 251/3.02 136 .26 29 02 46.56 +12 36.6 02 49.29 +12 49.0 1.791 1.929 +1.12 + 5.2 13.4 17.2/ 72 81.8 31.4 252/3.04 105 1.00 Aug. 8 02 57.78 +13 28.8 03 00.53 +13 40.6 1.744 1.994 +0.86 + 3.9 13.6 13.1/ 73 88.5 30.6 254/3.04 25 .29 18 03 06.37 +14 07.9 03 09.14 +14 19.3 1.694 2.061 +0.57 + 2.6 13.8 8.6/ 72 95.9 29.3 255/2.99 160 .30 28 03 12.02 +14 34.4 03 14.80 +14 45.5 1.642 2.127 +0.24 + 1.4 14.0 3.8/ 68 104.1 27.4 256/2.90 78 1.00 Sept. 7 03 14.46 +14 48.7 03 17.25 +14 59.7 1.593 2.194 -0.10 + 0.2 14.2 1.5/278 113.1 25.0 256/2.73 59 .21 17 03 13.46 +14 50.8 03 16.24 +15 01.8 1.549 2.260 -0.45 - 0.9 14.3 6.5/262 123.0 21.9 257/2.46 165 .33 27 03 09.01 +14 41.2 03 11.79 +14 52.4 1.516 2.326 -0.76 - 2.0 14.5 11.2/260 133.9 18.1 257/2.09 43 1.00 Oct. 7 03 01.44 +14 20.6 03 04.21 +14 32.3 1.499 2.391 -1.00 - 2.9 14.7 14.8/259 145.5 13.7 258/1.60 100 .15 17 02 51.45 +13 51.0 02 54.20 +14 03.2 1.504 2.456 -1.13 - 3.4 14.9 16.8/259 157.9 8.8 259/1.03 130 .34 27 02 40.17 +13 16.1 02 42.90 +13 28.8 1.535 2.520 -1.13 - 3.5 15.2 16.9/258 170.5 3.7 266/0.43 7 .99 Nov. 6 02 28.89 +12 40.5 02 31.61 +12 53.8 1.594 2.584 -1.01 - 3.1 15.4 15.1/259 176.0 1.5 43/0.17 145 .11 16 02 18.83 +12 09.5 02 21.54 +12 23.1 1.682 2.646 -0.79 - 2.2 15.7 11.8/260 163.8 6.0 66/0.63 90 .36 26 02 10.90 +11 47.3 02 13.59 +12 01.3 1.798 2.708 -0.54 - 1.1 16.1 7.9/262 151.9 9.9 68/0.99 48 .97 Dec. 6 02 05.54 +11 36.5 02 08.23 +11 50.8 1.937 2.769 -0.27 + 0.2 16.4 3.9/272 140.4 13.1 69/1.22 172 .09 16 02 02.88 +11 38.0 02 05.56 +11 52.3 2.098 2.829 -0.01 + 1.3 16.7 1.3/354 129.7 15.5 69/1.34 54 .38 26 02 02.78 +11 51.3 02 05.46 +12 05.6 2.274 2.888 +0.22 + 2.3 17.1 4.0/ 54 119.6 17.2 70/1.38 88 .94 2027 Jan. 5 02 04.96 +12 14.8 02 07.65 +12 29.1 2.462 2.947 +0.42 + 3.2 17.4 6.9/ 62 110.0 18.3 70/1.36 141 .07 15 02 09.13 +12 47.1 02 11.83 +13 01.2 2.658 3.004 +0.59 + 3.9 17.7 9.4/ 65 100.9 18.8 70/1.30 22 .41 25 02 14.99 +13 26.3 02 17.70 +13 40.1 2.858 3.060 +0.73 + 4.4 18.0 11.5/ 67 92.3 18.7 71/1.21 122 .91 Feb. 4 02 22.24 +14 10.6 02 24.97 +14 24.2 3.059 3.115 +0.85 + 4.8 18.3 13.1/ 68 84.1 18.3 71/1.11 113 .06 14 02 30.67 +14 58.6 02 33.42 +15 11.8 3.258 3.170 +0.94 + 5.0 18.6 14.5/ 70 76.1 17.6 72/1.01 11 .46 24 02 40.07 +15 48.9 02 42.84 +16 01.6 3.452 3.223 +1.02 + 5.1 18.8 15.5/ 71 68.5 16.6 72/0.90 151 .88 Mar. 6 02 50.25 +16 40.1 02 53.04 +16 52.4 3.639 3.275 +1.09 + 5.1 19.1 16.4/ 72 61.0 15.4 73/0.79 88 .05