505P/Palomar Orbit by S. Nakano CBET 5543 (2025) Last obs. 2025 04 29 (W62)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 Jan. 17.59508 2.8350670 0.3108795 8.34 143.93768 111.94169 11.38822 0.200 2026 June 9.0 m1 = 14.0 + 5 log Delta + 8.0 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 17 11.81 -17 23.9 17 14.72 -17 27.3 3.735 2.837 +1.78 - 2.8 20.5 25.5/ 97 20.8 7.1 289/0.36 150 .84 2026 Jan. 10 17 29.56 -17 53.5 17 32.48 -17 55.6 3.682 2.835 +1.76 - 2.0 20.5 25.1/ 95 26.5 8.9 284/0.46 72 .56 20 17 47.13 -18 14.9 17 50.06 -18 15.8 3.618 2.835 +1.73 - 1.3 20.4 24.6/ 94 32.3 10.7 279/0.56 46 .01 30 18 04.40 -18 28.7 18 07.33 -18 28.3 3.543 2.836 +1.68 - 0.6 20.4 24.0/ 92 38.3 12.4 276/0.66 170 .89 Feb. 9 18 21.23 -18 35.4 18 24.17 -18 33.8 3.459 2.838 +1.63 + 0.1 20.3 23.2/ 90 44.3 14.1 272/0.76 52 .55 19 18 37.52 -18 35.9 18 40.45 -18 33.1 3.365 2.841 +1.56 + 0.6 20.3 22.2/ 89 50.5 15.6 270/0.87 69 .03 Mar. 1 18 53.11 -18 31.3 18 56.04 -18 27.3 3.264 2.845 +1.48 + 1.0 20.2 21.0/ 88 56.8 16.9 267/0.97 154 .93 11 19 07.88 -18 22.7 19 10.79 -18 17.8 3.155 2.851 +1.38 + 1.2 20.1 19.7/ 87 63.3 18.1 265/1.07 32 .54 21 19 21.67 -18 11.7 19 24.57 -18 05.8 3.041 2.857 +1.26 + 1.3 20.1 18.1/ 86 70.0 19.1 263/1.16 95 .05 31 19 34.33 -17 59.9 19 37.22 -17 53.1 2.922 2.865 +1.14 + 1.2 20.0 16.3/ 86 76.8 19.8 261/1.25 128 .95 Apr. 10 19 45.70 -17 49.0 19 48.58 -17 41.5 2.800 2.873 +0.99 + 0.9 19.9 14.2/ 87 84.0 20.3 260/1.33 11 .52 20 19 55.61 -17 41.0 19 58.48 -17 32.8 2.678 2.883 +0.82 + 0.4 19.8 11.8/ 89 91.4 20.4 259/1.39 126 .09 30 20 03.86 -17 37.9 20 06.72 -17 29.2 2.557 2.894 +0.64 - 0.3 19.7 9.2/ 92 99.2 20.1 257/1.43 100 .97 May 10 20 10.27 -17 41.6 20 13.13 -17 32.5 2.439 2.906 +0.44 - 1.2 19.6 6.4/101 107.4 19.4 257/1.45 19 .49 20 20 14.65 -17 53.9 20 17.51 -17 44.6 2.328 2.918 +0.22 - 2.2 19.6 3.8/125 116.1 18.1 256/1.42 160 .15 30 20 16.84 -18 16.3 20 19.71 -18 06.8 2.227 2.932 -0.01 - 3.3 19.5 3.3/181 125.3 16.4 256/1.34 70 .98 June 9 20 16.78 -18 49.2 20 19.66 -18 39.7 2.140 2.946 -0.23 - 4.3 19.4 5.4/217 135.0 14.1 256/1.20 52 .44 19 20 14.49 -19 32.2 20 17.38 -19 22.9 2.070 2.962 -0.43 - 5.2 19.4 7.9/229 145.2 11.3 257/0.99 161 .20 29 20 10.19 -20 23.7 20 13.10 -20 14.6 2.021 2.978 -0.58 - 5.7 19.3 10.0/235 155.9 8.0 258/0.72 35 .99 July 9 20 04.34 -21 20.3 20 07.27 -21 11.6 1.996 2.995 -0.67 - 5.8 19.3 11.1/238 167.0 4.4 262/0.40 92 .37 19 19 57.57 -22 18.2 20 00.53 -22 09.9 1.998 3.013 -0.68 - 5.5 19.3 11.0/239 177.7 0.8 301/0.07 121 .26 29 19 50.71 -23 13.1 19 53.69 -23 05.3 2.027 3.032 -0.61 - 4.9 19.4 9.8/240 170.2 3.3 66/0.29 3 1.00 Aug. 8 19 44.56 -24 01.7 19 47.56 -23 54.3 2.082 3.051 -0.47 - 4.1 19.5 7.6/238 159.2 6.8 72/0.59 136 .29 18 19 39.81 -24 42.0 19 42.84 -24 34.8 2.163 3.072 -0.28 - 3.1 19.6 4.9/231 148.4 9.9 75/0.84 82 .30 28 19 37.00 -25 12.9 19 40.04 -25 05.9 2.266 3.092 -0.06 - 2.2 19.7 2.3/202 138.1 12.6 76/1.02 40 1.00 Sept. 7 19 36.35 -25 34.6 19 39.40 -25 27.6 2.388 3.114 +0.16 - 1.3 19.8 2.5/121 128.2 14.7 77/1.13 177 .21 17 19 37.94 -25 47.5 19 40.99 -25 40.5 2.525 3.136 +0.37 - 0.5 20.0 5.1/ 95 118.8 16.3 78/1.18 49 .33 27 19 41.68 -25 52.3 19 44.73 -25 45.0 2.673 3.158 +0.57 + 0.3 20.1 7.7/ 88 109.9 17.4 78/1.19 74 1.00 Oct. 7 19 47.37 -25 49.6 19 50.41 -25 41.9 2.830 3.181 +0.74 + 1.0 20.3 10.1/ 85 101.4 17.9 78/1.17 147 .15 17 19 54.79 -25 39.7 19 57.81 -25 31.6 2.992 3.205 +0.89 + 1.7 20.4 12.2/ 82 93.2 18.1 78/1.12 21 .34 27 20 03.69 -25 23.1 20 06.70 -25 14.4 3.155 3.229 +1.01 + 2.4 20.6 13.9/ 81 85.3 17.9 78/1.05 106 .99 Nov. 6 20 13.82 -25 00.0 20 16.81 -24 50.7 3.318 3.254 +1.11 + 3.0 20.7 15.5/ 79 77.6 17.3 78/0.97 116 .11 16 20 24.97 -24 30.6 20 27.94 -24 20.7 3.478 3.278 +1.19 + 3.6 20.8 16.7/ 78 70.2 16.5 78/0.89 5 .36 26 20 36.94 -23 55.3 20 39.88 -23 44.6 3.633 3.304 +1.26 + 4.2 21.0 17.8/ 77 63.0 15.4 78/0.80 137 .97 Dec. 6 20 49.53 -23 14.3 20 52.44 -23 03.0 3.781 3.329 +1.30 + 4.7 21.1 18.6/ 76 55.8 14.2 78/0.71 89 .09 16 21 02.60 -22 28.0 21 05.48 -22 16.0 3.920 3.355 +1.34 + 5.2 21.2 19.3/ 75 48.9 12.8 78/0.62 28 .38 26 21 16.00 -21 37.0 21 18.84 -21 24.4 4.048 3.381 +1.36 + 5.6 21.3 19.8/ 74 42.0 11.2 78/0.53 165 .94 2027 Jan. 5 21 29.60 -20 41.8 21 32.42 -20 28.5 4.164 3.408 +1.37 + 5.9 21.4 20.2/ 73 35.2 9.6 79/0.44 65 .07 15 21 43.32 -19 42.9 21 46.10 -19 29.0 4.266 3.434 +1.37 + 6.2 21.4 20.4/ 73 28.5 7.9 81/0.35 53 .41 25 21 57.05 -18 41.0 21 59.80 -18 26.6 4.354 3.461 +1.36 + 6.5 21.5 20.5/ 72 22.0 6.1 84/0.27 165 .91 Feb. 4 22 10.72 -17 37.0 22 13.44 -17 22.1 4.427 3.488 +1.35 + 6.6 21.6 20.5/ 72 15.7 4.4 91/0.19 43 .06 14 22 24.27 -16 31.4 22 26.96 -16 16.1 4.484 3.515 +1.33 + 6.7 21.6 20.4/ 71 9.9 2.8 106/0.12 79 .46 24 22 37.63 -15 25.1 22 40.29 -15 09.4 4.524 3.543 +1.31 + 6.6 21.7 20.1/ 71 6.4 1.8 147/0.08 140 .88 Mar. 6 22 50.75 -14 18.9 22 53.40 -14 03.0 4.548 3.570 +1.28 + 6.6 21.7 19.8/ 71 8.5 2.3 198/0.10 22 .05