P/2025 S4 (Lemmon-PANSTARRS) Orbit by S. Nakano CBET 5633 (2025) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Nov. 24.16649 2.9112331 0.3604032 9.71 89.49127 321.59700 6.50538 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 02 29.84 +23 34.4 02 32.70 +23 47.6 2.256 2.920 +0.35 - 1.4 19.5 5.0/106 123.8 16.3 77/1.30 9 .84 2026 Jan. 10 02 33.31 +23 20.9 02 36.18 +23 33.9 2.378 2.925 +0.57 - 0.4 19.6 7.8/ 92 114.4 17.8 75/1.36 148 .56 20 02 38.99 +23 17.5 02 41.86 +23 30.3 2.509 2.931 +0.77 + 0.6 19.7 10.6/ 87 105.6 18.9 74/1.37 92 .01 30 02 46.67 +23 23.5 02 49.55 +23 35.9 2.648 2.939 +0.94 + 1.3 19.9 13.0/ 84 97.2 19.4 74/1.34 43 .89 Feb. 9 02 56.08 +23 37.4 02 58.98 +23 49.3 2.790 2.948 +1.09 + 1.9 20.0 15.1/ 82 89.3 19.6 73/1.28 175 .55 19 03 07.00 +23 57.4 03 09.92 +24 08.7 2.934 2.958 +1.22 + 2.4 20.1 16.9/ 81 81.7 19.3 73/1.21 63 .03 Mar. 1 03 19.22 +24 21.7 03 22.17 +24 32.4 3.076 2.969 +1.34 + 2.6 20.2 18.4/ 81 74.5 18.8 74/1.13 74 .93 11 03 32.54 +24 48.6 03 35.52 +24 58.5 3.215 2.981 +1.43 + 2.7 20.3 19.6/ 81 67.6 17.9 74/1.03 162 .54 21 03 46.81 +25 16.3 03 49.81 +25 25.3 3.350 2.995 +1.51 + 2.6 20.4 20.6/ 82 60.9 16.9 75/0.94 35 .05 31 04 01.87 +25 43.3 04 04.90 +25 51.4 3.478 3.009 +1.57 + 2.4 20.5 21.3/ 83 54.5 15.7 75/0.84 101 .95 Apr. 10 04 17.57 +26 08.3 04 20.63 +26 15.4 3.599 3.025 +1.63 + 2.1 20.6 21.9/ 84 48.2 14.3 76/0.75 140 .52 20 04 33.81 +26 30.1 04 36.89 +26 36.1 3.711 3.041 +1.67 + 1.7 20.7 22.4/ 85 42.1 12.8 77/0.65 7 .09 30 04 50.45 +26 47.8 04 53.55 +26 52.6 3.814 3.059 +1.70 + 1.2 20.8 22.7/ 86 36.1 11.2 78/0.55 125 .97 May 10 05 07.39 +27 00.5 05 10.51 +27 04.2 3.907 3.077 +1.72 + 0.6 20.9 22.9/ 88 30.2 9.5 78/0.46 119 .49 20 05 24.54 +27 07.8 05 27.67 +27 10.2 3.989 3.096 +1.72 0.0 20.9 23.0/ 89 24.4 7.8 78/0.37 21 .15 30 05 41.78 +27 09.1 05 44.91 +27 10.3 4.059 3.116 +1.72 - 0.6 21.0 23.0/ 91 18.8 6.0 77/0.28 147 .98 June 9 05 59.01 +27 04.3 06 02.14 +27 04.3 4.117 3.137 +1.71 - 1.2 21.0 22.9/ 92 13.1 4.2 74/0.20 95 .44 19 06 16.15 +26 53.3 06 19.27 +26 52.0 4.163 3.159 +1.69 - 1.8 21.1 22.8/ 94 7.7 2.5 65/0.11 47 .20 29 06 33.10 +26 36.2 06 36.22 +26 33.7 4.195 3.182 +1.67 - 2.4 21.1 22.5/ 95 3.6 1.1 23/0.05 168 .99 July 9 06 49.79 +26 13.3 06 52.89 +26 09.6 4.215 3.205 +1.63 - 3.0 21.2 22.2/ 97 5.6 1.8 311/0.08 70 .37 19 07 06.14 +25 44.8 07 09.21 +25 40.0 4.221 3.229 +1.59 - 3.5 21.2 21.8/ 98 10.9 3.4 293/0.15 72 .26 29 07 22.06 +25 11.4 07 25.11 +25 05.5 4.213 3.253 +1.54 - 3.9 21.2 21.3/100 16.6 5.1 289/0.23 170 1.00 Aug. 8 07 37.47 +24 33.6 07 40.50 +24 26.6 4.192 3.278 +1.48 - 4.2 21.2 20.7/101 22.5 6.8 287/0.31 42 .29 18 07 52.32 +23 52.1 07 55.32 +23 44.1 4.157 3.304 +1.42 - 4.5 21.2 20.0/102 28.6 8.4 286/0.39 95 .30 28 08 06.52 +23 07.7 08 09.48 +22 58.8 4.109 3.330 +1.34 - 4.7 21.2 19.2/104 34.9 10.0 286/0.46 147 1.00 Sept. 7 08 19.99 +22 21.3 08 22.93 +22 11.6 4.047 3.357 +1.26 - 4.8 21.2 18.2/105 41.3 11.4 287/0.54 13 .21 17 08 32.65 +21 33.8 08 35.56 +21 23.4 3.974 3.384 +1.17 - 4.8 21.2 17.1/106 48.0 12.8 287/0.61 118 .33 27 08 44.41 +20 46.4 08 47.29 +20 35.3 3.888 3.412 +1.07 - 4.7 21.2 15.8/107 54.9 13.9 287/0.68 121 1.00 Oct. 7 08 55.16 +20 00.0 08 58.01 +19 48.4 3.793 3.440 +0.96 - 4.5 21.2 14.3/108 62.1 14.9 288/0.74 17 .15 17 09 04.78 +19 16.0 09 07.61 +19 03.8 3.688 3.469 +0.83 - 4.1 21.2 12.5/109 69.6 15.6 288/0.80 141 .34 27 09 13.14 +18 35.5 09 15.95 +18 22.9 3.576 3.498 +0.69 - 3.6 21.1 10.5/110 77.4 16.1 288/0.85 91 .99 Nov. 6 09 20.11 +17 59.7 09 22.90 +17 46.9 3.460 3.527 +0.54 - 3.0 21.1 8.3/111 85.7 16.3 288/0.88 47 .11 16 09 25.50 +17 30.0 09 28.28 +17 16.9 3.342 3.556 +0.37 - 2.3 21.0 5.7/113 94.3 16.1 288/0.90 168 .36 26 09 29.18 +17 07.3 09 31.95 +16 54.1 3.225 3.586 +0.18 - 1.5 21.0 3.0/119 103.5 15.5 288/0.90 57 .97 Dec. 6 09 31.01 +16 52.6 09 33.78 +16 39.2 3.114 3.616 -0.01 - 0.6 20.9 0.7/196 113.1 14.5 288/0.87 80 .09 16 09 30.89 +16 46.2 09 33.65 +16 32.9 3.012 3.646 -0.21 + 0.2 20.9 3.0/274 123.3 13.0 287/0.81 161 .38 26 09 28.80 +16 48.1 09 31.57 +16 34.8 2.926 3.677 -0.39 + 0.9 20.9 5.7/280 133.9 11.1 287/0.71 19 .94 2027 Jan. 5 09 24.88 +16 57.2 09 27.65 +16 44.1 2.858 3.707 -0.55 + 1.5 20.8 8.0/281 145.0 8.7 286/0.58 114 .07 15 09 19.38 +17 12.0 09 22.16 +16 59.2 2.815 3.738 -0.66 + 1.8 20.8 9.6/281 156.6 6.0 285/0.41 124 .41 25 09 12.76 +17 29.9 09 15.55 +17 17.4 2.800 3.769 -0.71 + 1.9 20.8 10.4/281 168.3 3.0 282/0.21 23 .91 Feb. 4 09 05.60 +17 48.4 09 08.41 +17 36.2 2.814 3.800 -0.70 + 1.7 20.9 10.2/280 178.9 0.3 216/0.02 151 .06 14 08 58.56 +18 04.8 09 01.38 +17 53.0 2.860 3.831 -0.63 + 1.3 20.9 9.0/278 167.9 3.1 110/0.19 82 .46 24 08 52.29 +18 17.2 08 55.12 +18 05.7 2.935 3.862 -0.50 + 0.7 21.0 7.2/276 156.4 5.9 107/0.36 64 .88 Mar. 6 08 47.27 +18 24.2 08 50.10 +18 13.0 3.038 3.894 -0.34 + 0.1 21.1 4.9/272 145.1 8.4 106/0.50 172 .05