2P/Encke Orbit by S. Nakano NK 4234 (2020) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2027 Feb. 10.23072 0.3386653 0.8472980 3.30 187.28416 334.01947 11.34792 0.200 2026 June 9.0 m1 = 10.0 + 5 log Delta + 10.0 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 22 30.94 -06 09.1 22 33.55 -05 53.6 4.218 3.801 +0.65 + 3.8 18.9 10.4/ 68 58.7 12.8 66/0.57 73 .84 2026 Jan. 10 22 37.43 -05 30.8 22 40.03 -05 15.1 4.322 3.769 +0.73 + 4.5 18.9 11.8/ 68 50.2 11.6 66/0.51 148 .56 20 22 44.73 -04 46.4 22 47.32 -04 30.6 4.408 3.736 +0.80 + 5.0 18.9 12.9/ 67 42.0 10.2 64/0.44 29 .01 30 22 52.68 -03 56.6 22 55.27 -03 40.6 4.475 3.701 +0.85 + 5.5 18.9 13.8/ 67 34.1 8.6 63/0.37 106 .89 Feb. 9 23 01.18 -03 02.1 23 03.75 -02 46.0 4.522 3.664 +0.89 + 5.9 18.9 14.6/ 66 26.3 6.8 61/0.29 122 .55 19 23 10.11 -02 03.4 23 12.68 -01 47.1 4.548 3.625 +0.93 + 6.2 18.9 15.2/ 66 18.7 5.0 58/0.21 2 .03 Mar. 1 23 19.38 -01 01.1 23 21.94 -00 44.6 4.550 3.584 +0.95 + 6.5 18.8 15.7/ 65 11.3 3.1 51/0.13 137 .93 11 23 28.90 +00 04.3 23 31.47 +00 20.9 4.531 3.542 +0.97 + 6.8 18.8 16.1/ 65 4.7 1.3 25/0.06 98 .54 21 23 38.62 +01 12.3 23 41.18 +01 28.9 4.489 3.497 +0.98 + 7.0 18.7 16.3/ 65 4.9 1.4 287/0.06 29 .05 31 23 48.45 +02 22.3 23 51.01 +02 39.0 4.424 3.451 +0.99 + 7.2 18.6 16.5/ 64 11.4 3.3 263/0.14 166 .95 Apr. 10 23 58.33 +03 34.0 00 00.90 +03 50.7 4.338 3.402 +0.99 + 7.3 18.5 16.5/ 64 18.3 5.3 257/0.23 75 .52 20 00 08.22 +04 46.9 00 10.79 +05 03.6 4.232 3.352 +0.98 + 7.4 18.4 16.4/ 63 25.3 7.4 254/0.33 60 .09 30 00 18.05 +06 00.6 00 20.62 +06 17.2 4.106 3.299 +0.97 + 7.4 18.3 16.2/ 63 32.3 9.4 253/0.43 167 .97 May 10 00 27.75 +07 14.6 00 30.33 +07 31.2 3.963 3.244 +0.95 + 7.4 18.1 16.0/ 62 39.2 11.4 252/0.54 50 .49 20 00 37.26 +08 28.8 00 39.85 +08 45.2 3.802 3.187 +0.92 + 7.4 17.9 15.5/ 62 46.2 13.2 251/0.66 91 .15 30 00 46.49 +09 42.5 00 49.09 +09 58.9 3.627 3.127 +0.89 + 7.3 17.7 15.0/ 61 53.2 15.0 250/0.78 142 .98 June 9 00 55.35 +10 55.7 00 57.97 +11 11.9 3.439 3.065 +0.84 + 7.2 17.5 14.3/ 59 60.3 16.7 250/0.91 23 .44 19 01 03.73 +12 07.9 01 06.36 +12 23.9 3.240 3.001 +0.77 + 7.1 17.3 13.3/ 58 67.4 18.2 250/1.04 121 .20 29 01 11.46 +13 18.6 01 14.10 +13 34.5 3.032 2.934 +0.69 + 6.9 17.1 12.2/ 55 74.8 19.5 249/1.19 116 .99 July 9 01 18.37 +14 27.7 01 21.03 +14 43.4 2.818 2.864 +0.59 + 6.7 16.8 10.8/ 52 82.3 20.6 249/1.34 7 .37 19 01 24.21 +15 34.6 01 26.88 +15 50.2 2.599 2.791 +0.45 + 6.4 16.5 9.0/ 45 90.0 21.3 248/1.50 151 .26 29 01 28.65 +16 38.6 01 31.34 +16 54.0 2.379 2.716 +0.27 + 6.0 16.2 7.1/ 32 98.1 21.7 247/1.65 89 1.00 Aug. 8 01 31.30 +17 38.7 01 34.00 +17 54.1 2.161 2.637 +0.03 + 5.5 15.9 5.5/ 5 106.6 21.6 246/1.80 42 .29 18 01 31.63 +18 33.5 01 34.34 +18 48.8 1.948 2.555 -0.26 + 4.7 15.5 6.0/322 115.7 20.9 244/1.92 176 .30 28 01 28.98 +19 20.4 01 31.69 +19 35.8 1.744 2.470 -0.64 + 3.5 15.1 9.7/292 125.4 19.5 242/1.98 57 1.00 Sept. 7 01 22.61 +19 55.5 01 25.32 +20 11.1 1.553 2.381 -1.09 + 1.7 14.7 15.4/277 135.8 17.2 237/1.94 82 .21 17 01 11.73 +20 12.6 01 14.42 +20 28.5 1.379 2.288 -1.60 - 0.9 14.3 22.5/268 146.9 13.9 229/1.75 142 .33 27 00 55.79 +20 03.0 00 58.45 +20 19.2 1.229 2.191 -2.09 - 4.6 13.9 29.9/262 158.1 9.8 212/1.37 17 1.00 Oct. 7 00 34.89 +19 17.0 00 37.52 +19 33.5 1.107 2.090 -2.47 - 8.9 13.4 36.1/257 165.4 6.9 168/1.05 130 .15 17 00 10.28 +17 47.9 00 12.86 +18 04.5 1.018 1.984 -2.58 -12.9 13.0 39.2/252 160.1 9.9 114/1.62 96 .34 27 23 44.49 +15 39.1 23 47.04 +15 55.8 0.961 1.873 -2.40 -15.3 12.6 38.0/247 146.7 16.9 91/2.90 41 .99 Nov. 6 23 20.51 +13 06.5 23 23.03 +13 22.9 0.933 1.756 -1.98 -15.5 12.3 32.9/242 131.7 24.9 81/4.33 165 .11 16 23 00.74 +10 32.1 23 03.25 +10 48.2 0.927 1.633 -1.45 -13.8 12.0 25.4/238 116.9 32.7 75/5.64 47 .36 26 22 46.28 +08 14.6 22 48.79 +08 30.4 0.932 1.503 -0.93 -11.2 11.6 17.8/231 103.1 39.8 70/6.72 95 .97 Dec. 6 22 37.01 +06 22.7 22 39.52 +06 38.3 0.937 1.366 -0.49 - 8.6 11.2 11.2/220 90.5 46.2 67/7.64 124 .09 16 22 32.12 +04 57.1 22 34.65 +05 12.6 0.933 1.220 -0.18 - 6.6 10.7 7.1/202 78.9 52.4 65/8.54 12 .38 26 22 30.31 +03 51.2 22 32.84 +04 06.7 0.912 1.064 -0.07 - 6.1 10.1 6.2/189 68.1 59.1 63/9.60 138 .94 2027 Jan. 5 22 29.65 +02 49.8 22 32.19 +03 05.2 0.867 0.897 -0.30 - 9.0 9.2 10.1/207 57.6 67.7 61/11.1 89 .07 15 22 26.62 +01 19.4 22 29.18 +01 34.7 0.792 0.720 -1.39 -21.0 8.1 29.7/225 46.3 81.0 58/13.5 34 .41 25 22 12.65 -02 10.6 22 15.23 -01 55.6 0.692 0.536 -4.34 -53.3 6.5 83.8/230 31.6 105.8 55/16.8 172 .91 Feb. 4 21 29.14 -11 02.3 21 31.83 -10 49.0 0.624 0.378 -5.14 -62.5 4.8 96.9/228 8.1 158.5 45/9.51 37 .06 14 20 37.52 -21 25.0 20 40.41 -21 14.4 0.759 0.354 +0.20 -15.4 4.9 15.7/170 17.9 120.7 246/14.7 104 .46 24 20 39.46 -23 59.6 20 42.40 -23 48.8 1.009 0.493 +2.12 + 3.8 6.9 29.4/ 84 28.5 73.5 245/10.2 111 .88 Mar. 6 21 00.71 -23 22.9 21 03.61 -23 11.0 1.216 0.675 +2.18 + 8.1 8.7 31.3/ 76 33.7 54.7 244/7.00 9 .05