199P/Shoemaker 4 Orbit by S. Nakano NK 4671 (2022) Last obs. 2022 06 27 (L81)

Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Aug. 7.65798 2.9102933 0.5051090 14.3 191.78717 92.34870 24.93812 0.200 2023 Sep. 13.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 16 20.59 -09 12.0 16 23.31 -09 18.9 4.104 3.305 +1.41 - 5.3 18.3 21.5/105 31.5 8.9 300/0.41 81 .18 2023 Jan. 6 16 34.63 -10 05.9 16 37.38 -10 11.8 3.999 3.274 +1.40 - 4.7 18.2 21.1/103 37.5 10.5 294/0.50 150 .99 16 16 48.57 -10 54.0 16 51.33 -10 59.0 3.883 3.243 +1.37 - 4.2 18.1 20.6/102 43.7 12.1 289/0.59 38 .41 26 17 02.28 -11 36.6 17 05.06 -11 40.6 3.756 3.214 +1.34 - 3.7 17.9 20.0/101 50.1 13.6 285/0.68 107 .23 Feb. 5 17 15.63 -12 14.1 17 18.43 -12 17.3 3.620 3.186 +1.29 - 3.2 17.8 19.1/100 56.6 15.0 281/0.77 130 .99 15 17 28.50 -12 47.4 17 31.31 -12 49.6 3.476 3.158 +1.22 - 2.9 17.7 18.1/100 63.3 16.2 278/0.87 17 .36 25 17 40.73 -13 17.2 17 43.55 -13 18.5 3.326 3.132 +1.14 - 2.7 17.6 16.9/ 99 70.2 17.3 275/0.97 132 .27 Mar. 7 17 52.14 -13 44.9 17 54.97 -13 45.4 3.172 3.107 +1.04 - 2.6 17.4 15.4/100 77.3 18.1 273/1.06 108 1.00 17 18 02.57 -14 11.8 18 05.42 -14 11.5 3.015 3.084 +0.93 - 2.7 17.3 13.7/102 84.6 18.7 270/1.15 24 .29 27 18 11.81 -14 39.7 18 14.67 -14 38.7 2.857 3.061 +0.78 - 3.0 17.1 11.8/105 92.1 19.0 268/1.22 155 .30 Apr. 6 18 19.66 -15 10.5 18 22.52 -15 09.0 2.702 3.040 +0.62 - 3.5 17.0 9.7/112 100.0 18.9 266/1.28 82 1.00 16 18 25.88 -15 46.4 18 28.75 -15 44.4 2.552 3.021 +0.44 - 4.3 16.8 7.6/124 108.3 18.4 265/1.32 55 .22 26 18 30.25 -16 29.5 18 33.14 -16 27.2 2.409 3.003 +0.23 - 5.2 16.7 6.2/147 117.0 17.4 263/1.31 167 .32 May 6 18 32.56 -17 21.8 18 35.47 -17 19.4 2.278 2.986 +0.01 - 6.3 16.5 6.3/178 126.2 15.8 262/1.26 51 1.00 16 18 32.68 -18 24.8 18 35.61 -18 22.3 2.161 2.971 -0.21 - 7.4 16.4 8.0/202 135.9 13.7 261/1.15 91 .15 26 18 30.55 -19 38.9 18 33.50 -19 36.6 2.062 2.958 -0.42 - 8.5 16.3 10.3/215 146.1 11.0 261/0.97 141 .35 June 5 18 26.31 -21 03.2 18 29.30 -21 01.2 1.986 2.946 -0.59 - 9.2 16.2 12.4/222 156.8 7.8 262/0.71 13 .99 15 18 20.33 -22 35.1 18 23.35 -22 33.5 1.935 2.936 -0.71 - 9.6 16.1 13.7/225 167.9 4.1 264/0.39 130 .10 25 18 13.21 -24 10.6 18 16.27 -24 09.5 1.911 2.927 -0.74 - 9.5 16.1 13.8/226 178.9 0.4 313/0.04 106 .37 July 5 18 05.79 -25 45.1 18 08.89 -25 44.6 1.915 2.920 -0.68 - 9.0 16.1 12.8/225 169.3 3.7 77/0.35 32 .96 15 17 58.97 -27 14.6 18 02.11 -27 14.5 1.947 2.915 -0.53 - 8.2 16.1 10.8/221 158.2 7.4 80/0.69 170 .07 25 17 53.59 -28 36.2 17 56.76 -28 36.5 2.004 2.912 -0.33 - 7.3 16.2 8.4/210 147.4 10.8 82/0.98 69 .41 Aug. 4 17 50.31 -29 48.7 17 53.51 -29 49.3 2.084 2.910 -0.08 - 6.3 16.2 6.4/189 137.1 13.7 84/1.19 74 .92 14 17 49.48 -30 52.2 17 52.71 -30 52.8 2.182 2.911 +0.18 - 5.5 16.3 6.0/157 127.4 16.1 85/1.33 154 .05 24 17 51.29 -31 47.0 17 54.54 -31 47.6 2.295 2.913 +0.44 - 4.7 16.4 7.3/130 118.2 17.8 86/1.41 34 .46 Sept. 3 17 55.68 -32 34.0 17 58.96 -32 34.2 2.419 2.916 +0.68 - 3.9 16.6 9.5/115 109.6 19.0 87/1.43 111 .88 13 18 02.50 -33 13.6 18 05.79 -33 13.3 2.551 2.922 +0.91 - 3.2 16.7 11.8/106 101.4 19.7 87/1.41 124 .04 23 18 11.54 -33 45.9 18 14.85 -33 45.0 2.688 2.929 +1.10 - 2.4 16.8 13.9/101 93.7 20.0 88/1.36 6 .52 Oct. 3 18 22.54 -34 11.1 18 25.85 -34 09.3 2.828 2.938 +1.27 - 1.7 16.9 15.8/ 97 86.3 19.9 88/1.29 141 .84 13 18 35.22 -34 28.9 18 38.54 -34 26.2 2.967 2.949 +1.41 - 0.9 17.1 17.5/ 94 79.2 19.4 88/1.21 99 .03 23 18 49.36 -34 39.1 18 52.67 -34 35.4 3.105 2.961 +1.53 - 0.1 17.2 18.9/ 91 72.4 18.7 88/1.11 30 .60 Nov. 2 19 04.69 -34 41.3 19 07.99 -34 36.6 3.240 2.975 +1.63 + 0.7 17.3 20.1/ 89 65.8 17.7 89/1.02 165 .81 12 19 20.99 -34 35.6 19 24.27 -34 29.7 3.369 2.990 +1.70 + 1.5 17.4 21.1/ 87 59.5 16.6 89/0.92 75 .02 22 19 38.04 -34 21.7 19 41.29 -34 14.7 3.493 3.007 +1.76 + 2.3 17.5 21.9/ 85 53.2 15.3 90/0.82 58 .67 Dec. 2 19 55.64 -33 59.9 19 58.85 -33 51.7 3.608 3.026 +1.79 + 3.1 17.6 22.6/ 83 47.2 13.8 91/0.72 168 .79 12 20 13.61 -33 30.4 20 16.78 -33 21.1 3.715 3.046 +1.81 + 3.8 17.7 23.1/ 82 41.3 12.3 92/0.63 52 .01 22 20 31.80 -32 53.6 20 34.92 -32 43.3 3.813 3.067 +1.82 + 4.4 17.8 23.5/ 80 35.6 10.8 95/0.53 86 .74 2024 Jan. 1 20 50.05 -32 10.3 20 53.12 -31 58.9 3.900 3.090 +1.81 + 5.0 17.9 23.7/ 79 30.2 9.2 99/0.45 150 .78 11 21 08.25 -31 21.2 21 11.27 -31 08.9 3.976 3.114 +1.80 + 5.5 17.9 23.9/ 78 25.2 7.7 105/0.37 29 .01 21 21 26.31 -30 27.2 21 29.27 -30 14.0 4.040 3.139 +1.78 + 5.9 18.0 23.9/ 77 20.7 6.4 114/0.30 110 .79 31 21 44.12 -29 29.4 21 47.03 -29 15.4 4.092 3.165 +1.75 + 6.1 18.1 23.8/ 76 17.3 5.3 129/0.25 130 .77 Feb. 10 22 01.64 -28 28.7 22 04.49 -28 14.2 4.132 3.193 +1.71 + 6.3 18.1 23.6/ 76 15.6 4.8 148/0.22 11 .00 20 22 18.79 -27 26.5 22 21.60 -27 11.4 4.160 3.222 +1.67 + 6.3 18.2 23.3/ 75 16.1 4.9 170/0.22 133 .82 Mar. 1 22 35.54 -26 23.9 22 38.30 -26 08.3 4.174 3.251 +1.63 + 6.2 18.2 22.9/ 75 18.7 5.6 188/0.26 110 .75 11 22 51.85 -25 22.1 22 54.56 -25 06.1 4.177 3.282 +1.58 + 6.0 18.3 22.4/ 75 22.6 6.7 200/0.30 28 .01 21 23 07.68 -24 22.2 23 10.35 -24 05.9 4.166 3.313 +1.53 + 5.7 18.3 21.8/ 76 27.3 7.9 209/0.36 152 .84 31 23 22.99 -23 25.5 23 25.63 -23 09.0 4.144 3.346 +1.47 + 5.2 18.3 21.1/ 76 32.5 9.2 215/0.42 87 .72

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