221P/LINEAR Orbit by T. Kobayashi NK 3649 (2018) : T is corrected by -0.004day.
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2021 Dec. 18.14390 1.7530492 0.4931390 6.43 40.16852 229.67103 11.42988 0.200 2022 Aug. 9.0 m1 = 15.0 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Jan. 1 18 29.80 -17 52.7 18 32.72 -17 50.5 2.733 1.758 +2.88 + 6.1 19.1 41.7/ 83 5.9 3.3 330/0.23 24 .05 11 18 58.63 -16 54.0 19 01.52 -16 49.7 2.735 1.767 +2.82 + 7.8 19.2 41.3/ 80 8.1 4.5 309/0.32 110 .62 21 19 26.83 -15 37.7 19 29.68 -15 31.4 2.737 1.780 +2.74 + 9.4 19.2 40.8/ 78 10.9 6.0 295/0.42 135 .91 31 19 54.25 -14 05.8 19 57.05 -13 57.7 2.739 1.798 +2.64 +10.7 19.2 40.1/ 75 13.9 7.6 287/0.52 12 .02 Feb. 10 20 20.74 -12 20.4 20 23.50 -12 10.7 2.740 1.820 +2.54 +11.8 19.3 39.2/ 73 17.1 9.2 280/0.63 121 .63 20 20 46.22 -10 24.3 20 48.94 -10 13.1 2.739 1.846 +2.44 +12.6 19.3 38.2/ 71 20.5 10.8 274/0.74 120 .88 Mar. 2 21 10.66 -08 19.8 21 13.33 -08 07.4 2.737 1.875 +2.33 +13.1 19.4 37.1/ 70 24.0 12.4 270/0.85 18 .01 12 21 34.01 -06 09.6 21 36.64 -05 56.2 2.732 1.908 +2.22 +13.4 19.4 35.8/ 68 27.7 14.0 266/0.95 132 .64 22 21 56.27 -03 56.1 21 58.87 -03 41.7 2.723 1.944 +2.12 +13.6 19.5 34.5/ 67 31.5 15.5 263/1.06 102 .84 Apr. 1 22 17.48 -01 41.3 22 20.05 -01 26.2 2.709 1.983 +2.01 +13.5 19.5 33.1/ 66 35.5 17.0 261/1.16 34 .00 11 22 37.62 +00 32.9 22 40.18 +00 48.5 2.691 2.024 +1.91 +13.2 19.6 31.5/ 65 39.7 18.4 258/1.26 145 .66 21 22 56.70 +02 44.5 22 59.25 +03 00.6 2.667 2.067 +1.80 +12.8 19.7 29.9/ 64 44.1 19.8 256/1.36 80 .77 May 1 23 14.72 +04 52.4 23 17.27 +05 08.8 2.636 2.112 +1.69 +12.3 19.7 28.1/ 64 48.7 21.0 255/1.46 51 .00 11 23 31.66 +06 55.1 23 34.20 +07 11.6 2.599 2.158 +1.58 +11.6 19.7 26.2/ 63 53.6 22.1 253/1.55 160 .69 21 23 47.45 +08 51.3 23 50.00 +09 08.0 2.555 2.206 +1.46 +10.9 19.8 24.2/ 63 58.7 23.1 252/1.64 57 .70 31 00 02.05 +10 40.3 00 04.61 +10 57.0 2.504 2.255 +1.33 +10.1 19.8 22.0/ 62 64.2 23.9 251/1.73 69 .00 June 10 00 15.32 +12 20.9 00 17.90 +12 37.6 2.446 2.305 +1.18 + 9.1 19.8 19.5/ 62 70.0 24.4 250/1.80 165 .74 20 00 27.15 +13 52.1 00 29.75 +14 08.7 2.383 2.356 +1.02 + 8.1 19.9 16.9/ 61 76.1 24.8 249/1.87 32 .62 30 00 37.37 +15 13.0 00 39.98 +15 29.4 2.315 2.408 +0.84 + 6.9 19.9 13.9/ 60 82.7 24.8 248/1.92 91 .01 July 10 00 45.76 +16 22.2 00 48.39 +16 38.5 2.243 2.459 +0.64 + 5.6 19.9 10.7/ 58 89.8 24.4 247/1.95 142 .80 20 00 52.12 +17 18.3 00 54.76 +17 34.6 2.170 2.511 +0.41 + 4.1 19.9 7.2/ 55 97.4 23.7 245/1.95 13 .56 30 00 56.21 +17 59.7 00 58.86 +18 15.9 2.097 2.564 +0.16 + 2.5 19.9 3.4/ 43 105.6 22.4 244/1.91 118 .02 Aug. 9 00 57.84 +18 24.4 01 00.50 +18 40.5 2.029 2.616 -0.09 + 0.6 19.9 1.4/295 114.4 20.7 242/1.82 109 .86 19 00 56.94 +18 30.2 00 59.60 +18 46.4 1.968 2.669 -0.34 - 1.5 19.9 5.1/253 123.9 18.3 239/1.67 34 .52 29 00 53.55 +18 15.5 00 56.20 +18 31.7 1.920 2.721 -0.56 - 3.6 19.9 8.8/246 134.0 15.5 235/1.45 150 .03 Sept. 8 00 47.96 +17 39.2 00 50.60 +17 55.5 1.889 2.773 -0.72 - 5.7 19.9 11.8/242 144.7 12.1 230/1.15 68 .92 18 00 40.75 +16 42.5 00 43.37 +16 59.0 1.880 2.825 -0.81 - 7.3 20.0 13.7/238 155.5 8.5 221/0.81 69 .49 28 00 32.69 +15 29.0 00 35.30 +15 45.5 1.896 2.877 -0.80 - 8.4 20.1 14.3/234 165.3 5.1 199/0.48 160 .05 Oct. 8 00 24.72 +14 04.7 00 27.31 +14 21.3 1.940 2.928 -0.71 - 8.7 20.2 13.5/230 169.3 3.6 143/0.34 26 .96 18 00 17.67 +12 37.3 00 20.25 +12 54.0 2.014 2.979 -0.55 - 8.3 20.3 11.6/224 162.6 5.8 100/0.52 106 .47 28 00 12.20 +11 14.2 00 14.78 +11 30.8 2.114 3.030 -0.35 - 7.3 20.5 8.9/215 152.3 8.8 84/0.76 121 .08 Nov. 7 00 08.72 +10 01.4 00 11.29 +10 18.1 2.240 3.080 -0.14 - 5.9 20.7 6.2/199 141.7 11.5 77/0.94 22 .98 17 00 07.37 +09 02.7 00 09.94 +09 19.4 2.388 3.130 +0.07 - 4.3 20.9 4.4/166 131.3 13.7 73/1.06 141 .46 27 00 08.08 +08 19.7 00 10.65 +08 36.4 2.553 3.179 +0.26 - 2.7 21.1 4.8/124 121.2 15.4 70/1.11 80 .13 Dec. 7 00 10.73 +07 52.8 00 13.30 +08 09.4 2.732 3.228 +0.43 - 1.2 21.3 6.5/101 111.6 16.5 69/1.12 55 .99 17 00 15.05 +07 40.7 00 17.63 +07 57.3 2.920 3.276 +0.58 + 0.1 21.4 8.6/ 89 102.5 17.1 68/1.08 170 .44 27 00 20.84 +07 41.9 00 23.42 +07 58.5 3.113 3.324 +0.70 + 1.3 21.6 10.5/ 83 93.6 17.2 67/1.03 45 .18 2023 Jan. 6 00 27.87 +07 54.8 00 30.45 +08 11.4 3.308 3.371 +0.81 + 2.3 21.8 12.2/ 79 85.2 16.9 66/0.96 84 .99 16 00 35.91 +08 17.5 00 38.50 +08 33.9 3.502 3.417 +0.89 + 3.1 22.0 13.5/ 77 77.0 16.3 66/0.88 156 .41 26 00 44.80 +08 48.2 00 47.40 +09 04.5 3.691 3.463 +0.96 + 3.7 22.2 14.7/ 75 69.1 15.4 65/0.79 13 .23 Feb. 5 00 54.39 +09 25.3 00 56.99 +09 41.6 3.873 3.508 +1.01 + 4.2 22.3 15.6/ 74 61.3 14.3 65/0.70 110 .99 15 01 04.52 +10 07.4 01 07.14 +10 23.5 4.046 3.553 +1.06 + 4.6 22.4 16.3/ 73 53.8 13.0 65/0.61 127 .36 25 01 15.10 +10 53.2 01 17.74 +11 09.0 4.208 3.597 +1.09 + 4.8 22.6 16.8/ 73 46.4 11.5 65/0.53 16 .27 Mar. 7 01 26.03 +11 41.4 01 28.68 +11 56.9 4.356 3.641 +1.12 + 4.9 22.7 17.1/ 73 39.2 9.9 65/0.44 135 1.00 17 01 37.21 +12 31.0 01 39.87 +12 46.2 4.489 3.684 +1.14 + 5.0 22.8 17.4/ 73 32.0 8.2 65/0.36 97 .29 27 01 48.57 +13 21.1 01 51.26 +13 35.9 4.606 3.726 +1.15 + 4.9 22.9 17.4/ 73 25.0 6.5 64/0.28 41 .30 Apr. 6 02 00.04 +14 10.8 02 02.75 +14 25.2 4.706 3.767 +1.15 + 4.8 23.0 17.4/ 74 18.0 4.7 63/0.21 159 1.00 16 02 11.56 +14 59.4 02 14.28 +15 13.3 4.788 3.808 +1.15 + 4.6 23.0 17.3/ 74 11.1 2.9 61/0.13 66 .22 26 02 23.06 +15 46.2 02 25.80 +15 59.7 4.851 3.849 +1.14 + 4.4 23.1 17.0/ 75 4.4 1.1 52/0.06 65 .32 May 6 02 34.47 +16 30.8 02 37.24 +16 43.8 4.895 3.888 +1.13 + 4.1 23.2 16.7/ 75 3.0 0.8 316/0.02 174 1.00 16 02 45.73 +17 12.6 02 48.52 +17 25.0 4.920 3.927 +1.11 + 3.8 23.2 16.3/ 76 9.7 2.5 266/0.08 36 .15