489P/Denning Orbit by S. Nakano NK 5259 (2024) Last obs. 2007 05 18 (B03)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Dec. 4.04037 1.5614082 0.6470523 9.30 109.42120 20.62220 4.02548 0.200 2026 June 9.0 m1 = 14.5 + 5 log Delta + 10.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 12 24.76 +02 01.8 12 27.32 +01 45.2 1.189 1.589 -2.24 +19.8 16.9 30.3/115 93.6 38.1 293/5.24 133 .84 2026 Jan. 10 12 43.12 -00 05.4 12 45.69 -00 21.8 1.139 1.614 -2.27 +20.3 16.9 25.7/115 98.7 37.0 292/5.30 7 .56 20 12 58.57 -01 55.7 13 01.14 -02 11.8 1.093 1.645 -2.33 +20.7 16.9 20.2/117 104.6 35.4 292/5.27 118 .01 30 13 10.62 -03 26.7 13 13.20 -03 42.6 1.050 1.682 -2.42 +21.2 16.9 14.2/120 111.4 33.1 291/5.12 107 .89 Feb. 9 13 18.87 -04 37.4 13 21.47 -04 53.1 1.013 1.724 -2.54 +21.8 16.9 7.9/129 119.2 30.0 290/4.82 25 .55 19 13 22.98 -05 26.7 13 25.58 -05 42.3 0.983 1.772 -2.68 +22.4 16.9 2.8/183 128.0 26.1 289/4.33 146 .03 Mar. 1 13 22.86 -05 55.0 13 25.47 -06 10.6 0.963 1.823 -2.82 +22.9 17.0 6.0/261 137.9 21.4 289/3.63 73 .93 11 13 18.92 -06 04.5 13 21.52 -06 20.2 0.957 1.879 -2.93 +23.2 17.1 10.3/273 148.8 15.9 288/2.73 55 .54 21 13 12.01 -05 58.7 13 14.61 -06 14.5 0.970 1.937 -2.97 +23.1 17.3 12.7/277 160.4 9.9 288/1.69 172 .05 31 13 03.54 -05 43.6 13 06.14 -05 59.7 1.004 1.998 -2.91 +22.4 17.5 12.7/278 172.3 3.8 285/0.64 32 .95 Apr. 10 12 55.10 -05 26.6 12 57.69 -05 42.8 1.061 2.062 -2.77 +21.1 17.8 10.7/277 175.7 2.1 118/0.33 92 .52 20 12 48.02 -05 13.8 12 50.60 -05 30.2 1.142 2.126 -2.57 +19.5 18.1 7.2/273 164.2 7.4 113/1.10 129 .09 30 12 43.21 -05 10.5 12 45.79 -05 26.9 1.246 2.193 -2.33 +17.7 18.4 3.3/256 153.3 11.9 112/1.64 8 .97 May 10 12 41.04 -05 18.7 12 43.62 -05 35.1 1.369 2.260 -2.09 +15.8 18.7 2.1/162 143.2 15.5 112/1.96 128 .49 20 12 41.47 -05 38.8 12 44.05 -05 55.2 1.511 2.328 -1.86 +14.1 19.1 5.2/127 133.8 18.3 112/2.11 89 .15 30 12 44.29 -06 10.2 12 46.87 -06 26.6 1.667 2.397 -1.66 +12.5 19.4 8.3/120 125.0 20.3 112/2.14 40 .98 June 9 12 49.14 -06 51.1 12 51.73 -07 07.4 1.836 2.466 -1.48 +11.1 19.7 10.9/117 116.8 21.5 112/2.08 160 .44 19 12 55.69 -07 40.0 12 58.29 -07 56.2 2.015 2.536 -1.33 + 9.8 20.1 13.1/115 109.1 22.3 112/1.97 55 .20 29 13 03.66 -08 35.4 13 06.27 -08 51.4 2.201 2.605 -1.19 + 8.8 20.4 14.8/114 101.7 22.5 112/1.83 67 .99 July 9 13 12.76 -09 35.5 13 15.39 -09 51.4 2.392 2.674 -1.08 + 7.8 20.7 16.1/113 94.7 22.3 112/1.68 169 .37 19 13 22.80 -10 39.2 13 25.44 -10 54.8 2.588 2.743 -0.98 + 6.9 20.9 17.2/113 87.8 21.7 112/1.53 27 .26 29 13 33.61 -11 45.3 13 36.27 -12 00.6 2.784 2.812 -0.90 + 6.2 21.2 18.1/112 81.1 20.9 112/1.38 92 1.00 Aug. 8 13 45.05 -12 52.6 13 47.73 -13 07.5 2.980 2.881 -0.82 + 5.5 21.5 18.7/111 74.6 19.8 111/1.23 139 .29 18 13 57.01 -14 00.3 13 59.71 -14 14.8 3.173 2.949 -0.76 + 4.9 21.7 19.2/111 68.1 18.6 111/1.08 3 .30 28 14 09.41 -15 07.6 14 12.13 -15 21.7 3.362 3.017 -0.71 + 4.4 21.9 19.6/110 61.7 17.1 111/0.95 116 1.00 Sept. 7 14 22.16 -16 13.7 14 24.91 -16 27.3 3.545 3.084 -0.66 + 3.9 22.1 19.8/109 55.3 15.6 110/0.82 110 .21 17 14 35.21 -17 18.1 14 38.00 -17 31.1 3.720 3.151 -0.61 + 3.5 22.3 20.0/108 48.8 13.9 110/0.70 21 .33 27 14 48.50 -18 20.2 14 51.32 -18 32.5 3.886 3.217 -0.58 + 3.1 22.5 20.0/108 42.4 12.1 109/0.59 141 1.00 Oct. 7 15 01.97 -19 19.4 15 04.82 -19 31.0 4.040 3.283 -0.54 + 2.7 22.7 20.0/107 35.9 10.3 109/0.48 81 .15 17 15 15.58 -20 15.3 15 18.45 -20 26.2 4.181 3.348 -0.51 + 2.4 22.9 19.9/106 29.4 8.4 109/0.38 42 .34 27 15 29.25 -21 07.6 15 32.15 -21 17.7 4.307 3.413 -0.48 + 2.1 23.0 19.7/105 22.8 6.5 109/0.29 168 .99 Nov. 6 15 42.93 -21 55.9 15 45.86 -22 05.3 4.418 3.477 -0.46 + 1.9 23.1 19.4/104 16.1 4.5 110/0.20 54 .11 16 15 56.55 -22 40.2 15 59.52 -22 48.6 4.512 3.540 -0.43 + 1.6 23.3 19.0/102 9.4 2.6 115/0.11 64 .36 26 16 10.04 -23 20.1 16 13.03 -23 27.7 4.587 3.602 -0.41 + 1.4 23.4 18.6/101 3.2 0.9 146/0.04 163 .97 Dec. 6 16 23.32 -23 55.7 16 26.34 -24 02.4 4.644 3.664 -0.39 + 1.2 23.5 18.0/100 5.3 1.4 254/0.06 29 .09 16 16 36.30 -24 27.0 16 39.34 -24 32.8 4.682 3.726 -0.38 + 1.0 23.6 17.4/ 99 12.2 3.2 267/0.13 88 .38 26 16 48.89 -24 54.1 16 51.95 -24 59.1 4.700 3.786 -0.36 + 0.9 23.6 16.6/ 98 19.4 4.9 270/0.20 133 .94 2027 Jan. 5 17 00.98 -25 17.4 17 04.06 -25 21.5 4.699 3.846 -0.35 + 0.7 23.7 15.7/ 98 26.8 6.6 271/0.27 5 .07 15 17 12.47 -25 37.1 17 15.56 -25 40.4 4.678 3.905 -0.34 + 0.6 23.8 14.6/ 97 34.3 8.2 271/0.33 114 .41 25 17 23.23 -25 53.7 17 26.33 -25 56.2 4.640 3.964 -0.33 + 0.5 23.8 13.4/ 96 42.0 9.6 270/0.40 103 .91 Feb. 4 17 33.14 -26 07.7 17 36.24 -26 09.5 4.585 4.022 -0.32 + 0.4 23.9 12.1/ 96 49.9 10.8 270/0.45 21 .06 14 17 42.06 -26 19.6 17 45.17 -26 20.8 4.515 4.079 -0.31 + 0.3 23.9 10.5/ 96 58.1 11.9 270/0.50 144 .46 24 17 49.85 -26 30.1 17 52.97 -26 30.8 4.432 4.136 -0.31 + 0.2 23.9 8.8/ 96 66.4 12.7 269/0.54 73 .88 Mar. 6 17 56.38 -26 39.8 17 59.51 -26 40.0 4.339 4.192 -0.31 + 0.2 23.9 6.9/ 98 74.9 13.2 269/0.58 48 .05