497P/Spacewatch-PANSTARRS Orbit by S. Nakano CBET 5464 (2024) Observed in 1st half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Feb. 15.33278 2.0751550 0.6305308 13.3 32.40637 40.37746 10.43700 0.200 2025 May 5.0 m1 = 16.0 + 5 log Delta + 10.0 log r m2 = 17.5 + 5 log Delta + 5.0 log r + 0.03 phase 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 m2 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 01 29.49 +12 19.2 01 32.15 +12 34.6 1.563 2.131 +0.84 + 9.6 20.3 . 15.6/ 52 111.6 25.4 70/2.81 168 .23 2025 Jan. 5 01 37.87 +13 55.5 01 40.55 +14 10.6 1.648 2.112 +1.11 +10.3 20.3 . 19.1/ 57 103.9 26.9 70/2.83 40 .28 15 01 48.95 +15 39.0 01 51.65 +15 53.8 1.738 2.096 +1.35 +10.8 20.4 . 22.2/ 60 96.8 27.8 70/2.78 96 .99 25 02 02.41 +17 27.3 02 05.16 +17 41.6 1.833 2.085 +1.56 +11.0 20.5 . 24.8/ 63 90.3 28.2 70/2.69 146 .22 Feb. 4 02 18.02 +19 17.7 02 20.81 +19 31.4 1.930 2.078 +1.76 +10.9 20.6 . 27.0/ 65 84.3 28.2 70/2.57 12 .35 14 02 35.52 +21 07.5 02 38.36 +21 20.4 2.029 2.075 +1.92 +10.6 20.7 . 28.7/ 68 78.7 27.8 71/2.42 117 .98 24 02 54.69 +22 54.0 02 57.58 +23 06.0 2.129 2.077 +2.07 +10.0 20.8 . 30.1/ 70 73.5 27.2 72/2.27 126 .19 Mar. 6 03 15.35 +24 34.6 03 18.30 +24 45.5 2.231 2.083 +2.20 + 9.1 20.9 . 31.1/ 72 68.5 26.3 72/2.11 13 .42 16 03 37.29 +26 06.9 03 40.30 +26 16.5 2.333 2.093 +2.31 + 8.0 21.0 . 31.9/ 74 63.8 25.2 74/1.94 135 .97 26 04 00.33 +27 28.5 04 03.40 +27 36.8 2.435 2.107 +2.40 + 6.8 21.2 . 32.4/ 77 59.2 24.0 75/1.78 106 .16 Apr. 5 04 24.27 +28 37.7 04 27.39 +28 44.4 2.537 2.126 +2.47 + 5.3 21.3 . 32.7/ 79 54.9 22.6 76/1.62 34 .49 15 04 48.88 +29 32.9 04 52.04 +29 37.9 2.640 2.148 +2.51 + 3.8 21.4 . 32.8/ 82 50.6 21.2 77/1.46 151 .96 25 05 13.94 +30 12.9 05 17.14 +30 16.1 2.741 2.174 +2.53 + 2.3 21.6 . 32.8/ 84 46.4 19.6 79/1.31 86 .11 May 5 05 39.24 +30 37.3 05 42.46 +30 38.7 2.842 2.203 +2.53 + 0.7 21.7 . 32.6/ 87 42.3 17.9 80/1.16 53 .54 15 06 04.53 +30 45.9 06 07.75 +30 45.5 2.941 2.236 +2.51 - 0.9 21.8 . 32.3/ 90 38.2 16.2 81/1.02 168 .95 25 06 29.60 +30 39.2 06 32.82 +30 36.9 3.038 2.271 +2.47 - 2.3 22.0 . 32.0/ 93 34.1 14.5 82/0.89 63 .07 June 4 06 54.28 +30 17.9 06 57.47 +30 13.8 3.132 2.310 +2.41 - 3.6 22.1 . 31.5/ 95 30.0 12.7 83/0.76 70 .58 14 07 18.38 +29 43.2 07 21.54 +29 37.5 3.222 2.351 +2.34 - 4.8 . 22.2 31.0/ 98 25.9 10.9 82/0.63 173 .93 24 07 41.80 +28 56.5 07 44.92 +28 49.2 3.308 2.394 +2.26 - 5.9 . 22.3 30.4/100 21.8 9.1 81/0.52 40 .03 July 4 08 04.45 +27 59.3 08 07.51 +27 50.6 3.389 2.440 +2.17 - 6.7 . 22.3 29.8/102 17.8 7.3 78/0.41 87 .61 14 08 26.25 +26 53.4 08 29.26 +26 43.3 3.463 2.488 +2.09 - 7.4 . 22.3 29.1/104 13.8 5.6 72/0.31 153 .89 24 08 47.19 +25 40.2 08 50.15 +25 29.0 3.530 2.537 +2.00 - 8.0 . 22.4 28.4/105 10.2 4.1 59/0.22 18 .01 Aug. 3 09 07.25 +24 21.4 09 10.16 +24 09.2 3.589 2.588 +1.91 - 8.4 . 22.4 27.6/107 7.8 3.1 34/0.16 104 .64 13 09 26.44 +22 58.6 09 29.29 +22 45.4 3.639 2.640 +1.83 - 8.6 . 22.5 26.8/108 8.0 3.1 359/0.16 129 .84 23 09 44.76 +21 33.1 09 47.56 +21 19.2 3.679 2.693 +1.74 - 8.7 . 22.6 26.0/109 10.9 4.1 334/0.21 7 .00 Sept. 2 10 02.23 +20 06.4 10 04.99 +19 51.8 3.709 2.747 +1.66 - 8.7 . 22.7 25.1/110 15.1 5.5 320/0.28 123 .66 12 10 18.86 +18 39.8 10 21.57 +18 24.7 3.726 2.803 +1.58 - 8.6 . 22.8 24.1/110 20.1 7.1 313/0.36 103 .77 22 10 34.65 +17 14.5 10 37.34 +16 58.9 3.732 2.859 +1.49 - 8.3 . 22.9 23.0/111 25.5 8.7 309/0.44 28 .00 Oct. 2 10 49.61 +15 51.8 10 52.26 +15 35.8 3.725 2.915 +1.41 - 7.9 . 23.0 21.9/111 31.2 10.2 306/0.52 143 .70 12 11 03.70 +14 32.7 11 06.33 +14 16.4 3.706 2.973 +1.32 - 7.5 . 23.1 20.6/111 37.2 11.7 304/0.59 76 .69 22 11 16.91 +13 18.3 11 19.52 +13 01.9 3.674 3.030 +1.22 - 6.9 . 23.1 19.2/111 43.5 13.1 302/0.67 49 .00 Nov. 1 11 29.18 +12 09.9 11 31.77 +11 53.3 3.629 3.089 +1.12 - 6.2 . 23.2 17.6/110 50.1 14.3 300/0.74 166 .73 11 11 40.43 +11 08.4 11 43.01 +10 51.7 3.573 3.147 +1.01 - 5.4 . 23.2 15.9/109 57.1 15.3 299/0.80 48 .63 21 11 50.58 +10 14.9 11 53.15 +09 58.2 3.506 3.206 +0.89 - 4.4 . 23.2 13.9/108 64.4 16.1 298/0.86 73 .01 Dec. 1 11 59.50 +09 30.5 12 02.07 +09 13.8 3.429 3.264 +0.76 - 3.4 . 23.2 11.7/107 72.1 16.7 297/0.90 160 .78 11 12 07.08 +08 56.1 12 09.64 +08 39.4 3.346 3.323 +0.61 - 2.4 . 23.2 9.3/105 80.2 17.0 295/0.94 22 .59 21 12 13.16 +08 32.5 12 15.71 +08 15.9 3.258 3.382 +0.44 - 1.2 . 23.2 6.7/100 88.7 16.9 294/0.96 100 .01 31 12 17.57 +08 20.5 12 20.12 +08 03.9 3.169 3.441 +0.26 0.0 . 23.2 3.9/ 90 97.7 16.5 292/0.96 128 .84 2026 Jan. 10 12 20.18 +08 20.2 12 22.73 +08 03.6 3.082 3.500 +0.07 + 1.1 . 23.1 1.5/ 43 107.1 15.6 291/0.93 16 .56 20 12 20.89 +08 31.4 12 23.43 +08 14.7 3.002 3.559 -0.13 + 2.2 . 23.1 2.9/319 117.0 14.3 289/0.88 131 .01 30 12 19.63 +08 53.1 12 22.18 +08 36.4 2.934 3.618 -0.31 + 3.0 . 23.0 5.5/303 127.4 12.5 286/0.78 90 .89 Feb. 9 12 16.49 +09 23.3 12 19.04 +09 06.6 2.882 3.676 -0.48 + 3.6 . 22.9 8.0/297 138.1 10.3 282/0.66 46 .55 19 12 11.66 +09 59.3 12 14.21 +09 42.6 2.852 3.734 -0.61 + 3.8 . 22.9 9.8/293 149.0 7.8 276/0.50 164 .03 Mar. 1 12 05.51 +10 37.3 12 08.07 +10 20.6 2.848 3.793 -0.69 + 3.6 . 22.8 10.9/290 159.7 5.2 264/0.33 49 .93