218P/LINEAR Orbit by S. Nakano NK 5498 (2025) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 Mar. 4.30867 1.1293672 0.6309464 5.35 61.41468 174.71393 2.72673 0.200 2026 June 9.0 m1 = 16.0 + 5 log Delta + 10.0 log r m2 = 16.5 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 14 17.46 -13 35.0 14 20.18 -13 48.8 1.535 1.378 +3.94 -16.2 18.3 19.3 59.2/107 61.8 39.0 289/4.26 165 .84 2026 Jan. 10 14 56.75 -16 19.0 14 59.54 -16 30.9 1.443 1.313 +4.26 -13.9 18.0 19.1 62.5/104 62.2 41.5 287/4.75 35 .56 20 15 39.32 -18 40.2 15 42.19 -18 49.7 1.370 1.256 +4.54 -10.3 17.7 19.0 64.9/101 61.9 43.8 283/5.22 76 .01 30 16 24.65 -20 26.4 16 27.59 -20 33.0 1.315 1.206 +4.71 - 5.8 17.4 18.9 66.2/ 97 61.3 45.7 280/5.62 157 .89 Feb. 9 17 11.72 -21 27.2 17 14.71 -21 30.6 1.280 1.168 +4.74 - 0.6 17.2 18.8 66.1/ 93 60.4 47.3 275/5.92 36 .55 19 17 59.10 -21 37.1 18 02.10 -21 37.0 1.263 1.142 +4.61 + 4.3 17.1 18.7 64.5/ 88 59.5 48.2 271/6.10 78 .03 Mar. 1 18 45.20 -20 57.3 18 48.18 -20 53.9 1.261 1.130 +4.35 + 8.5 17.0 18.7 61.8/ 84 58.8 48.6 266/6.15 152 .93 11 19 28.76 -19 35.2 19 31.68 -19 28.8 1.270 1.133 +4.01 +11.6 17.1 18.7 58.2/ 80 58.5 48.4 262/6.09 37 .54 21 20 08.96 -17 41.9 20 11.82 -17 32.9 1.288 1.149 +3.64 +13.5 17.2 18.8 54.1/ 77 58.8 47.8 259/5.95 84 .05 31 20 45.44 -15 29.0 20 48.23 -15 17.9 1.310 1.180 +3.27 +14.4 17.3 18.9 49.7/ 74 59.7 46.9 256/5.77 145 .95 Apr. 10 21 18.19 -13 06.8 21 20.92 -12 54.0 1.332 1.222 +2.92 +14.5 17.5 18.9 45.2/ 72 61.2 45.9 254/5.58 32 .52 20 21 47.40 -10 43.6 21 50.07 -10 29.5 1.352 1.274 +2.58 +13.9 17.7 19.0 40.6/ 71 63.5 44.9 252/5.40 98 .09 30 22 13.25 -08 25.6 22 15.89 -08 10.6 1.367 1.335 +2.27 +12.9 17.9 19.1 36.2/ 69 66.4 43.8 250/5.23 133 .97 May 10 22 35.98 -06 17.1 22 38.59 -06 01.4 1.375 1.401 +1.97 +11.6 18.2 19.2 31.7/ 69 70.1 42.6 249/5.09 19 .49 20 22 55.73 -04 21.4 22 58.31 -04 05.3 1.375 1.473 +1.68 +10.1 18.4 19.3 27.1/ 68 74.4 41.4 248/4.96 119 .15 30 23 12.53 -02 41.1 23 15.10 -02 24.7 1.368 1.548 +1.39 + 8.3 18.6 19.3 22.4/ 68 79.5 40.1 247/4.84 116 .98 June 9 23 26.40 -01 18.1 23 28.96 -01 01.5 1.354 1.625 +1.08 + 6.4 18.8 19.4 17.4/ 69 85.4 38.5 247/4.71 2 .44 19 23 37.20 -00 14.4 23 39.76 +00 02.3 1.332 1.704 +0.76 + 4.2 18.9 19.4 12.1/ 69 92.0 36.6 247/4.57 146 .20 29 23 44.75 +00 28.1 23 47.31 +00 44.8 1.306 1.783 +0.41 + 2.0 19.1 19.4 6.5/ 72 99.5 34.2 246/4.37 92 .99 July 9 23 48.88 +00 47.6 23 51.44 +01 04.3 1.279 1.863 +0.05 - 0.5 19.2 19.3 0.9/125 108.0 31.3 246/4.10 33 .37 19 23 49.37 +00 42.5 23 51.93 +00 59.2 1.253 1.943 -0.32 - 3.0 . 19.3 5.6/238 117.4 27.7 246/3.71 178 .26 29 23 46.19 +00 12.2 23 48.76 +00 28.9 1.233 2.023 -0.66 - 5.4 . 19.2 11.2/241 127.9 23.3 245/3.20 59 1.00 Aug. 8 23 39.61 -00 41.7 23 42.18 -00 25.0 1.225 2.101 -0.94 - 7.3 . 19.1 15.9/242 139.4 18.3 245/2.54 75 .29 18 23 30.23 -01 55.0 23 32.79 -01 38.5 1.235 2.179 -1.11 - 8.5 . 19.0 18.7/243 151.6 12.8 245/1.77 142 .30 28 23 19.12 -03 20.0 23 21.70 -03 03.6 1.267 2.256 -1.15 - 8.7 . 19.0 19.2/243 164.3 6.9 243/0.95 18 1.00 Sept. 7 23 07.65 -04 47.0 23 10.23 -04 30.7 1.325 2.332 -1.05 - 8.0 . 19.0 17.6/243 177.1 1.2 232/0.16 123 .21 17 22 57.12 -06 06.6 22 59.71 -05 50.5 1.411 2.407 -0.85 - 6.5 . 19.3 14.3/243 170.1 4.1 71/0.51 101 .33 27 22 48.59 -07 11.7 22 51.20 -06 55.8 1.523 2.481 -0.59 - 4.7 . 19.6 10.0/242 158.0 8.7 69/1.01 26 1.00 Oct. 7 22 42.65 -07 58.9 22 45.26 -07 43.1 1.659 2.553 -0.32 - 2.9 . 20.0 5.5/239 146.5 12.5 68/1.34 168 .15 17 22 39.47 -08 27.5 22 42.09 -08 11.8 1.817 2.624 -0.05 - 1.1 . 20.4 1.4/215 135.7 15.4 68/1.51 64 .34 27 22 38.95 -08 38.6 22 41.57 -08 22.9 1.992 2.694 +0.18 + 0.4 . 20.7 2.7/ 81 125.5 17.5 68/1.58 66 .99 Nov. 6 22 40.78 -08 34.2 22 43.39 -08 18.5 2.181 2.763 +0.39 + 1.8 . 21.0 6.0/ 73 116.0 18.8 68/1.56 154 .11 16 22 44.63 -08 16.5 22 47.25 -08 00.7 2.379 2.830 +0.55 + 2.9 . 21.2 8.7/ 71 106.9 19.5 68/1.49 33 .36 26 22 50.18 -07 47.5 22 52.78 -07 31.5 2.584 2.896 +0.69 + 3.9 . 21.5 11.0/ 69 98.3 19.7 68/1.39 101 .97 Dec. 6 22 57.08 -07 09.0 22 59.68 -06 52.8 2.792 2.961 +0.80 + 4.7 . 21.7 12.8/ 69 90.0 19.4 67/1.28 124 .09 16 23 05.10 -06 22.5 23 07.69 -06 06.2 3.001 3.024 +0.89 + 5.3 . 21.9 14.3/ 68 81.9 18.8 67/1.16 6 .38 26 23 13.98 -05 29.5 23 16.56 -05 13.1 3.206 3.086 +0.96 + 5.8 . 22.0 15.4/ 68 74.1 17.9 67/1.04 133 .94 2027 Jan. 5 23 23.55 -04 31.2 23 26.12 -04 14.7 3.407 3.147 +1.01 + 6.3 . 22.2 16.4/ 68 66.5 16.7 67/0.91 97 .07 15 23 33.65 -03 28.8 23 36.22 -03 12.2 3.599 3.207 +1.05 + 6.6 . 22.3 17.0/ 67 59.1 15.3 67/0.80 21 .41 25 23 44.14 -02 23.1 23 46.71 -02 06.4 3.782 3.265 +1.08 + 6.8 . 22.4 17.5/ 67 51.7 13.7 67/0.68 163 .91 Feb. 4 23 54.92 -01 15.2 23 57.48 -00 58.5 3.953 3.322 +1.10 + 6.9 . 22.5 17.9/ 67 44.5 12.0 67/0.58 73 .06 14 00 05.91 -00 05.8 00 08.47 +00 10.9 4.110 3.378 +1.11 + 7.0 . 22.5 18.1/ 67 37.3 10.2 67/0.47 49 .46 24 00 17.01 +01 04.3 00 19.57 +01 21.0 4.251 3.433 +1.12 + 7.0 . 22.6 18.1/ 67 30.3 8.4 68/0.38 169 .88 Mar. 6 00 28.16 +02 14.4 00 30.73 +02 31.0 4.376 3.487 +1.12 + 6.9 . 22.6 18.1/ 67 23.3 6.4 68/0.28 50 .05