P/2025 D4 (ATLAS) Orbit by S. Nakano NK 5470 (2025) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Feb. 14.36910 3.2547695 0.6348515 26.6 332.90157 233.11264 15.93742 0.200 2026 June 9.0 m1 = 11.0 + 5 log Delta + 7.5 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 45.35 -16 36.9 17 48.24 -16 37.9 4.964 4.016 +1.26 + 1.8 19.0 18.2/ 85 13.8 3.3 300/0.13 143 .84 2026 Jan. 10 17 57.94 -16 19.5 18 00.83 -16 19.5 4.964 4.057 +1.21 + 2.4 19.0 17.6/ 83 20.4 4.8 289/0.19 79 .56 20 18 10.07 -15 56.8 18 12.95 -15 56.0 4.947 4.098 +1.15 + 2.8 19.1 16.9/ 81 27.4 6.3 283/0.25 41 .01 30 18 21.61 -15 29.2 18 24.48 -15 27.5 4.913 4.140 +1.08 + 3.3 19.1 16.0/ 79 34.6 7.8 279/0.30 166 .89 Feb. 9 18 32.47 -14 57.0 18 35.33 -14 54.5 4.864 4.183 +1.01 + 3.7 19.1 15.1/ 76 41.9 9.1 276/0.36 56 .55 19 18 42.55 -14 20.7 18 45.39 -14 17.5 4.801 4.226 +0.92 + 4.0 19.1 13.9/ 73 49.4 10.2 273/0.41 67 .03 Mar. 1 18 51.74 -13 41.0 18 54.56 -13 37.1 4.725 4.269 +0.82 + 4.3 19.1 12.7/ 70 57.1 11.2 271/0.45 152 .93 11 18 59.93 -12 58.4 19 02.73 -12 54.0 4.639 4.313 +0.71 + 4.5 19.1 11.3/ 67 64.9 12.0 268/0.49 33 .54 21 19 07.01 -12 13.7 19 09.81 -12 08.8 4.543 4.357 +0.59 + 4.6 19.1 9.8/ 62 73.0 12.6 266/0.53 97 .05 31 19 12.89 -11 27.9 19 15.67 -11 22.5 4.442 4.402 +0.46 + 4.6 19.1 8.2/ 55 81.2 13.0 264/0.55 123 .95 Apr. 10 19 17.47 -10 41.7 19 20.23 -10 36.0 4.338 4.446 +0.32 + 4.6 19.0 6.6/ 46 89.7 13.0 262/0.57 16 .52 20 19 20.66 -09 56.2 19 23.41 -09 50.3 4.234 4.492 +0.17 + 4.4 19.0 5.1/ 30 98.4 12.8 260/0.57 131 .09 30 19 22.41 -09 12.4 19 25.14 -09 06.5 4.135 4.537 +0.03 + 4.1 19.0 4.1/ 6 107.3 12.2 257/0.56 92 .97 May 10 19 22.71 -08 31.6 19 25.42 -08 25.6 4.043 4.583 -0.12 + 3.7 19.0 4.1/335 116.5 11.4 255/0.53 32 .49 20 19 21.56 -07 54.7 19 24.27 -07 48.8 3.963 4.629 -0.25 + 3.2 19.0 4.9/310 125.8 10.2 251/0.49 160 .15 30 19 19.07 -07 23.0 19 21.77 -07 17.3 3.900 4.675 -0.37 + 2.5 19.0 6.0/295 135.3 8.8 246/0.43 60 .98 June 9 19 15.43 -06 57.4 19 18.12 -06 52.0 3.856 4.721 -0.46 + 1.8 19.0 7.0/285 144.7 7.1 240/0.35 65 .44 19 19 10.87 -06 38.7 19 13.56 -06 33.5 3.836 4.768 -0.51 + 1.1 19.0 7.7/278 153.5 5.5 228/0.27 144 .20 29 19 05.74 -06 27.2 19 08.42 -06 22.4 3.843 4.814 -0.53 + 0.4 19.0 8.0/273 160.8 4.0 208/0.20 30 .99 July 9 19 00.40 -06 22.9 19 03.08 -06 18.5 3.876 4.861 -0.52 - 0.3 19.1 7.7/268 163.8 3.4 173/0.16 103 .37 19 18 55.24 -06 25.4 18 57.93 -06 21.3 3.939 4.908 -0.46 - 0.9 19.2 6.9/263 160.4 4.0 139/0.19 108 .26 29 18 50.63 -06 33.8 18 53.32 -06 30.1 4.028 4.955 -0.38 - 1.3 19.2 5.8/256 153.1 5.3 120/0.25 24 1.00 Aug. 8 18 46.87 -06 47.0 18 49.56 -06 43.5 4.143 5.002 -0.27 - 1.7 19.3 4.4/247 144.3 6.8 109/0.31 141 .29 18 18 44.17 -07 03.7 18 46.87 -07 00.4 4.282 5.049 -0.15 - 1.9 19.4 2.9/229 135.0 8.1 102/0.36 73 .30 28 18 42.68 -07 22.4 18 45.39 -07 19.3 4.440 5.096 -0.02 - 2.0 19.5 2.0/190 125.7 9.3 97/0.40 52 1.00 Sept. 7 18 42.45 -07 42.0 18 45.16 -07 38.9 4.614 5.143 +0.10 - 1.9 19.7 2.5/141 116.5 10.1 93/0.42 160 .21 17 18 43.49 -08 01.3 18 46.20 -07 58.1 4.800 5.191 +0.22 - 1.8 19.8 3.8/118 107.4 10.6 90/0.42 43 .33 27 18 45.73 -08 19.2 18 48.45 -08 15.8 4.994 5.238 +0.34 - 1.5 19.9 5.2/107 98.6 10.9 87/0.42 84 1.00 Oct. 7 18 49.08 -08 34.9 18 51.81 -08 31.2 5.192 5.285 +0.44 - 1.2 20.0 6.6/101 89.9 10.9 85/0.40 133 .15 17 18 53.45 -08 47.6 18 56.18 -08 43.6 5.391 5.333 +0.53 - 0.9 20.1 7.9/ 97 81.3 10.6 82/0.38 20 .34 27 18 58.72 -08 56.8 19 01.45 -08 52.5 5.587 5.380 +0.60 - 0.5 20.2 9.0/ 93 72.9 10.2 79/0.35 116 .99 Nov. 6 19 04.76 -09 02.1 19 07.49 -08 57.3 5.776 5.427 +0.67 - 0.1 20.3 9.9/ 90 64.7 9.5 77/0.32 103 .11 16 19 11.46 -09 03.1 19 14.19 -08 57.9 5.956 5.475 +0.72 + 0.4 20.4 10.7/ 88 56.6 8.7 74/0.28 23 .36 26 19 18.68 -08 59.7 19 21.41 -08 54.0 6.124 5.522 +0.76 + 0.8 20.5 11.3/ 86 48.7 7.7 70/0.24 147 .97 Dec. 6 19 26.32 -08 51.7 19 29.04 -08 45.5 6.277 5.569 +0.79 + 1.3 20.6 11.8/ 84 40.9 6.6 66/0.20 75 .09 16 19 34.26 -08 39.2 19 36.98 -08 32.4 6.413 5.616 +0.81 + 1.8 20.7 12.2/ 82 33.3 5.5 60/0.17 46 .38 26 19 42.40 -08 22.2 19 45.11 -08 14.9 6.531 5.664 +0.82 + 2.2 20.7 12.4/ 80 26.0 4.4 52/0.13 165 .94 2027 Jan. 5 19 50.62 -08 01.0 19 53.32 -07 53.1 6.629 5.711 +0.82 + 2.6 20.8 12.5/ 78 19.4 3.3 39/0.10 49 .07 15 19 58.84 -07 35.6 20 01.53 -07 27.2 6.705 5.758 +0.81 + 3.0 20.8 12.4/ 76 14.4 2.4 16/0.07 72 .41 25 20 06.95 -07 06.5 20 09.63 -06 57.6 6.760 5.805 +0.79 + 3.3 20.9 12.2/ 74 12.9 2.2 341/0.06 143 .91 Feb. 4 20 14.87 -06 34.0 20 17.53 -06 24.6 6.793 5.852 +0.76 + 3.6 20.9 11.9/ 73 15.9 2.7 310/0.08 25 .06 14 20 22.50 -05 58.5 20 25.16 -05 48.7 6.805 5.898 +0.73 + 3.8 20.9 11.5/ 71 21.7 3.5 292/0.10 102 .46 24 20 29.76 -05 20.6 20 32.41 -05 10.4 6.795 5.945 +0.68 + 4.0 21.0 10.9/ 68 28.6 4.6 281/0.13 115 .88 Mar. 6 20 36.58 -04 40.7 20 39.21 -04 30.1 6.765 5.992 +0.63 + 4.2 21.0 10.3/ 66 36.1 5.6 274/0.16 15 .05