Nakano Note (Nakano wa Kangaeru noda) NK 2806 C/2014 Q1 (PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 326 observations 2014 Aug. 16 to Nov. 26. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.38 arc second. Epoch = 2015 June 27.0 TT T = 2015 July 6.51628 +/- 0.00279 (m.e.) TT Peri. = 120.05724 +/- 0.00135 Node = 8.75872 +/- 0.00094 (2000.0) Inc. = 43.11273 +/- 0.00116 q = 0.3145277 +/- 0.0000092 AU e = 0.9997003 +/- 0.0000036 1/a = +0.0009528 +/- 0.0000115 1/AU origin = +0.001194 (Q= 6) future = +0.001606 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2014/ 140916 Q62 0.4- 0.1- 141027 W96 0.1- 0.5- 140816 F51 0.1+ 0.2- 140916 Q62 0.7+ 0.0 141027 W96 0.0 0.2- 140816 F51 0.1+ 0.2- 140916 Q62 0.4+ 0.1+ 141027 W96 0.2+ 0.8+ 140816 F51 0.1+ 0.2- 140916 Q62 0.4+ 0.5- 141028 Q68 0.3- 0.2- 140816 F51 0.1+ 0.3- 140916 D95 0.3- 0.0 141028 Q68 0.4- 0.5- 140818 W96 0.4- 0.1- 140916 D95 0.2- 0.2+ 141028 D90 0.0 0.1- 140818 W96 0.1- 0.1- 140916 D95 0.0 0.1- 141028 D90 0.3+ 0.1- 140818 W96 0.3- 0.0 140916 Q62 0.1+ 0.5- 141028 D90 0.1+ 0.1- 140818 W96 0.5- 0.0 140916 Q62 1.2+ 1.1- 141030 Q68 0.3+ 0.1- 140818 W96 0.3- 0.1+ 140916 Q62 0.1- 0.7+ 141030 Q68 0.4+ 0.0 140818 W96 0.5- 0.2- 140917 D90 0.5+ 0.5+ 141102 Q68 0.5- 0.5- 140818 W96 0.3- 0.1- 140917 D90 0.1+ 0.0 141102 Q68 0.4- 0.1- 140818 W96 0.2+ 0.5- 140917 D90 0.1- 0.0 141104 I39 0.5- 0.2+ 140818 W96 0.3- 0.4- 140920 D90 0.1+ 0.1+ 141104 I39 0.3+ 0.0 140818 W96 0.2- 0.1- 140920 D90 0.0 0.1+ 141104 I39 0.7+ 0.7+ 140818 W96 0.2+ 0.6- 140920 D90 0.3+ 0.1+ 141106 I39 0.1+ 0.4+ 140818 W96 0.3- 0.0 140920 E07 0.1+ 0.2- 141106 I39 0.4+ 0.4+ 140818 H06 0.3- 0.3+ 140920 349 0.7- 0.0 141106 I39 1.0+ 0.2+ 140818 H06 0.3- 0.3+ 140920 E07 0.1+ 0.0 141106 F51 0.3- 0.3- 140818 H06 0.2- 0.4+ 140920 349 0.5- 0.3+ 141106 F51 0.4- 0.2- 140818 474 0.3+ 0.1+ 140920 349 0.3- 0.4+ 141106 F51 0.3- 0.2- 140818 474 0.3+ 0.1- 140922 D95 0.2- 0.2+ 141106 F51 0.3- 0.2- 140818 474 0.1+ 0.2- 140922 D95 0.1+ 0.2+ 141107 Q68 0.3- 0.1- 140818 D90 0.2+ 0.2+ 140922 D95 0.2- 0.2- 141107 Q68 0.3- 0.6- 140818 D90 0.0 0.1+ 140922 900 0.1+ 0.1+ 141108 F51 0.3- 0.2- 140818 D90 0.1+ 0.2+ 140922 900 0.3+ 0.5+ 141108 F51 0.3- 0.1- 140818 D90 0.0 0.2+ 140923 Y00 0.1+ 0.9+ 141108 F51 0.2- 0.2- 140818 D90 0.0 0.2+ 140923 Y00 0.1- 0.8+ 141108 F51 0.3- 0.1- 140818 D90 0.1- 0.1+ 140923 Y00 0.5- 1.2+ 141108 Q68 0.3- 0.1- 140819 Y00 0.1+ 0.2- 140923 Q62 0.1+ 0.2- 141108 Q68 0.2+ 0.2+ 140819 Y00 0.5- 0.2+ 140923 Q62 0.0 0.2- 141109 D90 0.1+ 0.2- 140819 Y00 0.1- 0.1+ 140923 Q62 0.1- 0.1- 141109 D90 0.1+ 0.1- 140819 Y00 0.2- 0.1+ 140923 Q62 0.1- 0.0 141109 D90 0.3+ 0.4+ 140819 Y00 0.2- 0.2+ 140925 Y00 0.3+ 0.7+ 141109 J24 0.4- 0.1+ 140819 Y00 0.2+ 0.2+ 140925 Y00 0.5+ 0.4+ 141109 J24 0.3+ 0.8+ 140819 H21 0.0 0.3+ 140925 Y00 0.6+ 0.2+ 141109 J24 0.5+ 0.2- 140819 H21 0.1- 0.1+ 140925 372 1.0- 0.2- 141110 D95 0.4+ 0.2+ 140819 H21 0.2- 0.1- 140925 372 0.2+ 0.2- 141110 D95 0.3- 0.3+ 140819 568 0.1+ 0.0 140926 D90 0.2+ 0.0 141112 D90 0.5+ 0.3- 140819 568 0.1+ 0.0 140926 D90 0.3+ 0.0 141112 D90 0.0 0.0 140819 568 0.2+ 0.1- 140926 D90 0.1+ 0.1- 141112 D90 0.1+ 0.3+ 140819 568 0.1+ 0.1- 140928 349 0.0 0.5+ 141112 Q62 0.0 0.2- 140819 900 0.3- 0.2+ 140928 349 0.0 0.5+ 141112 Q62 0.3+ 0.1+ 140819 900 0.0 0.1+ 140928 349 0.3- 0.3+ 141112 Q62 0.3+ 0.2+ 140819 900 0.3- 0.1+ 140929 D88 0.2+ 0.6+ 141112 Q62 0.0 0.3- 140820 Y00 1.1+ 0.8+ 140929 D88 0.2+ 0.4- 141112 Q62 0.5- 0.3- 140820 Y00 0.4+ 0.1- 140930 J01 0.2+ 0.9+ 141113 900 0.2+ 0.4- 140820 Y00 0.2- 0.8- 140930 J01 1.2- 1.3+ 141113 900 0.2+ 0.1- 140820 H06 0.2- 0.2- 140930 J01 1.2- 0.5+ 141114 I39 0.4+ 0.3+ 140820 H06 0.0 0.0 141002 Y00 0.6+ 0.2+ 141114 I39 0.8+ 0.5+ 140820 H06 0.6- 0.3- 141002 Y00 0.7+ 0.7+ 141114 I39 0.7+ 0.6+ 140820 H06 0.2+ 0.4+ 141002 Y00 0.2+ 0.4+ 141114 J24 0.7+ 0.2+ 140820 U69 0.2+ 0.6+ 141003 Y00 (2.3+ 0.8+) 141114 J24 0.0 0.1- 140820 U69 0.2- 0.1- 141003 Y00 0.6+ 0.9+ 141114 J24 0.0 0.1+ 140820 U69 0.0 0.2+ 141003 Y00 0.7- 0.5+ 141115 349 0.6+ 0.2+ 140820 U69 0.7- 0.0 141003 J24 0.7+ 0.0 141115 349 0.6+ 0.7+ 140820 U69 0.1- 0.1+ 141003 J24 0.3+ 0.4- 141115 349 0.0 0.9+ 140820 Q62 0.4- 0.6+ 141003 J24 0.9+ 0.5- 141115 K25 1.0+ 0.8+ 140820 Q62 0.4- 0.5+ 141008 Q62 0.1- 0.0 141115 K25 0.1+ 0.3+ 140820 Q62 0.6- 0.4+ 141008 Q62 0.1- 0.2- 141115 K25 0.6+ 0.6+ 140821 A77 0.9- 0.2+ 141010 D90 0.0 0.3+ 141116 D90 0.2+ 0.1+ 140821 A77 1.0- 0.9+ 141010 D90 0.2+ 0.1- 141116 D90 0.2+ 0.2+ 140822 Q62 0.1+ 0.4+ 141010 D90 0.9- 0.0 141116 D90 0.4+ 0.1+ 140822 Q62 0.2- 0.1+ 141011 Q62 0.1+ 0.1- 141116 K25 0.3+ 0.3+ 140822 Q62 0.3- 0.5+ 141011 Q62 0.0 0.0 141116 K25 0.4- 0.2+ 140825 A77 1.2- 1.1+ 141011 D95 0.6+ 0.0 141116 A71 1.0- 0.0 140825 A77 0.3+ 1.1+ 141011 D95 0.0 0.1- 141116 A71 0.0 0.4+ 140825 A77 0.3+ 0.4+ 141011 D95 0.2+ 0.0 141116 A71 0.4+ 1.5+ 140825 A77 0.3+ 0.4+ 141011 E07 0.0 0.3- 141117 Q62 0.3+ 0.0 140825 D90 0.0 0.1+ 141011 E07 0.0 0.3- 141117 Q62 0.2+ 0.3- 140825 D90 0.4- 0.0 141014 213 0.4- 0.3+ 141117 Q62 0.4+ 0.3- 140825 D90 0.0 0.0 141014 213 0.4- 0.3+ 141117 A77 (1.2- 2.9+) 140826 F51 0.0 0.0 141014 213 0.1- 0.2+ 141117 A77 0.9- 0.9+ 140826 F51 0.0 0.0 141015 D90 0.2+ 0.1- 141117 A77 (2.0+ 1.4+) 140826 F51 0.0 0.0 141015 D90 0.2+ 0.1- 141119 W96 0.4- 0.1- 140828 D90 0.1- 0.0 141015 D90 0.6- 0.2+ 141119 W96 0.5- 0.1- 140828 D90 0.0 0.1+ 141015 367 0.3+ 0.3+ 141119 W96 0.2- 0.2- 140828 D90 0.1- 0.1+ 141015 367 0.3+ 0.0 141119 W96 0.1+ 0.2+ 140831 D95 0.1+ 0.0 141015 367 0.5+ 0.3+ 141120 H47 0.5+ 0.4+ 140831 D95 0.2+ 0.0 141016 Q62 0.0 0.0 141120 H47 1.1+ 0.3- 140831 D95 0.0 0.2+ 141016 Q62 0.5- 0.3- 141120 H47 0.8+ 0.1+ 140831 Q62 0.0 0.3+ 141016 Q62 0.0 0.0 141120 H47 (2.6+ 0.0 ) 140831 Q62 0.1+ 0.0 141016 Q62 0.0 0.0 141120 Q68 0.1+ 0.6- 140901 D90 0.0 0.1- 141016 Q62 0.5- 0.2- 141120 Q68 0.7- 0.4+ 140901 D90 0.1+ 0.1+ 141018 349 0.6+ 0.8+ 141120 D90 0.5+ 0.0 140901 D90 0.0 0.1- 141018 349 0.2+ 0.6+ 141120 D90 0.2+ 0.0 140903 703 0.5- 0.6+ 141019 A71 0.3- 0.7- 141120 D90 0.6+ 0.1+ 140903 703 0.6- 0.9+ 141019 A71 0.2+ 0.0 141121 Q68 0.3- 0.2- 140903 703 0.4- 0.6+ 141020 D90 0.7+ 0.6+ 141121 Q68 0.3+ 0.2- 140903 703 0.4- 0.7+ 141020 D90 0.1+ 0.4- 141121 A71 0.7+ 0.5+ 140903 Q62 0.1+ 0.2- 141020 D90 0.2+ 0.6- 141121 A71 0.8+ 0.2- 140903 Q62 0.3+ 0.3- 141022 J01 (2.3+ 0.6+) 141121 A71 0.5+ 0.7+ 140903 Q62 0.3+ 0.2- 141022 J01 0.9+ 0.2+ 141123 D95 0.2- 0.1- 140903 Q62 0.3+ 0.8+ 141022 J01 0.6+ 0.1+ 141123 D95 0.1+ 0.1- 140904 F51 0.0 0.2- 141023 900 0.4+ 0.7+ 141123 D95 0.3- 0.0 140904 F51 0.0 0.1- 141023 900 0.4+ 0.3- 141123 D90 0.2+ 0.0 140904 F51 0.0 0.2- 141024 W88 0.4+ 0.2- 141123 D90 0.3+ 0.1+ 140904 F51 0.0 0.2- 141024 W88 0.5+ 0.1+ 141123 D90 0.1+ 0.2+ 140905 D90 0.2- 0.1+ 141024 W88 0.7+ 0.1- 141125 E07 0.1+ 0.0 140905 D90 0.2+ 0.0 141024 W88 0.5+ 0.2- 141125 E07 0.1+ 0.0 140905 D90 0.3- 0.1+ 141024 D81 0.1+ 1.5+ 141125 E07 0.2+ 0.0 140911 900 0.1+ 0.1- 141024 D81 0.3- 0.7+ 141125 E07 0.2+ 0.0 140911 900 0.4+ 0.1+ 141025 D95 0.1- 0.0 141126 D90 0.3+ 0.2+ 140912 D90 0.1+ 0.1+ 141025 D95 0.2+ 0.1+ 141126 D90 0.2+ 0.1+ 140912 D90 0.1- 0.3+ 141025 D95 0.0 0.2- 141126 D90 0.4+ 0.2+ 140912 D90 0.1+ 0.3+ 141025 D90 0.3- 0.2- 141126 Q62 0.8+ 0.5- 140914 D95 0.4- 0.2- 141025 D90 0.1- 0.1+ 141126 Q62 0.5+ 0.4- 140914 D95 0.0 0.1+ 141025 D90 0.0 0.1- 141126 Q62 0.3+ 0.2- 140914 D95 0.1- 0.1- 141025 900 0.3+ 0.1+ 141126 Q62 0.0 0.1- 140916 W96 0.3- 0.4+ 141025 900 0.3+ 0.4- 141126 Q62 0.4+ 0.2- 140916 W96 0.1- 0.1- 141027 W96 0.2+ 0.3- ( ) -------- Rejected Obs. The comet will become a bright object around 2014 July as shown below, but not good condition to observe. 2015/ R. A. (2000) Decl. Delta r Daily motion Elong. Phase Mag. PA/Tail= 0.20 AU 0h TT h m o , AU AU , o o o m1 o o Jan. 3 22 54.07 -22 14.7 3.737 3.280 11.7/ 37 55.4 14.3 15.0 77/0.72 8 22 56.57 -21 27.8 3.738 3.216 12.5/ 40 51.2 13.8 14.9 78/0.69 13 22 59.41 -20 39.6 3.735 3.151 13.3/ 42 47.2 13.2 14.8 79/0.67 18 23 02.59 -19 50.2 3.728 3.086 14.2/ 44 43.2 12.6 14.8 81/0.64 23 23 06.07 -18 59.4 3.715 3.020 15.0/ 46 39.4 11.9 14.6 82/0.61 28 23 09.85 -18 07.4 3.698 2.953 15.8/ 48 35.6 11.2 14.5 84/0.57 Feb. 2 23 13.91 -17 14.0 3.675 2.886 16.6/ 49 31.9 10.4 14.4 85/0.53 7 23 18.23 -16 19.3 3.647 2.818 17.3/ 50 28.3 9.6 14.3 87/0.49 12 23 22.81 -15 23.2 3.614 2.749 18.2/ 51 24.8 8.7 14.2 90/0.45 17 23 27.65 -14 25.6 3.575 2.680 19.0/ 51 21.5 7.8 14.0 93/0.41 . . . . . . . . Apr. 28 01 05.11 +03 25.6 2.502 1.604 37.8/ 54 21.1 13.1 11.0 239/0.96 May 3 01 15.38 +05 16.1 2.395 1.517 40.8/ 54 22.8 14.9 10.7 242/1.14 8 01 26.51 +07 14.8 2.287 1.429 44.3/ 54 24.3 16.9 10.3 244/1.34 13 01 38.69 +09 22.9 2.177 1.338 48.5/ 55 25.5 18.9 10.0 247/1.57 18 01 52.16 +11 41.7 2.067 1.245 53.4/ 55 26.4 21.1 9.5 250/1.83 23 02 07.24 +14 12.5 1.957 1.149 59.4/ 56 26.9 23.5 9.1 253/2.13 28 02 24.38 +16 56.2 1.849 1.051 66.5/ 57 27.0 25.9 8.6 256/2.47 June 2 02 44.17 +19 53.2 1.743 0.950 75.2/ 59 26.5 28.4 8.0 260/2.84 7 03 07.45 +23 02.5 1.642 0.847 85.6/ 61 25.5 31.0 7.4 265/3.25 12 03 35.33 +26 19.5 1.549 0.741 97.9/ 65 23.7 33.4 6.6 272/3.67 17 04 09.27 +29 33.7 1.465 0.633 112.3/ 70 21.1 35.3 5.8 282/4.06 22 04 50.94 +32 23.0 1.393 0.525 128.6/ 77 17.7 36.1 4.9 296/4.33 27 05 41.58 +34 06.0 1.334 0.424 145.6/ 88 13.8 34.9 3.9 319/4.37 July 2 06 40.05 +33 37.1 1.288 0.343 158.1/103 10.5 32.8 2.9 358/4.25 7 07 39.48 +29 50.1 1.247 0.315 158.0/118 11.0 37.9 2.5 51/5.00 12 08 30.02 +23 04.5 1.209 0.356 147.7/129 15.5 49.9 2.9 90/6.52 17 09 09.48 +15 01.8 1.186 0.442 135.2/135 21.4 57.1 3.8 110/7.39 22 09 41.36 +06 55.0 1.186 0.546 122.7/138 27.3 58.7 4.7 122/7.55 27 10 08.63 -00 43.2 1.208 0.654 110.5/139 32.8 57.2 5.6 129/7.28 Aug. 1 10 32.98 -07 39.0 1.249 0.761 99.0/139 37.5 54.3 6.3 134/6.78 6 10 55.37 -13 48.0 1.306 0.867 88.3/138 41.5 50.9 7.0 137/6.18 11 11 16.34 -19 10.8 1.376 0.970 78.9/136 44.8 47.4 7.6 139/5.56 16 11 36.25 -23 51.2 1.455 1.070 70.7/134 47.3 44.1 8.1 140/4.97 21 11 55.31 -27 53.9 1.542 1.167 63.7/132 49.2 41.0 8.6 141/4.43 26 12 13.67 -31 24.1 1.635 1.262 57.7/130 50.5 38.2 9.1 142/3.94 31 12 31.45 -34 26.4 1.732 1.355 52.7/128 51.4 35.6 9.5 142/3.51 Sept. 5 12 48.74 -37 05.0 1.833 1.445 48.4/126 51.8 33.2 9.9 142/3.13 10 13 05.60 -39 23.5 1.936 1.534 44.8/124 51.8 31.1 10.3 143/2.80 15 13 22.08 -41 24.9 2.041 1.621 41.7/122 51.6 29.1 10.6 143/2.51 20 13 38.22 -43 11.8 2.147 1.705 39.0/120 51.1 27.3 11.0 143/2.25 25 13 54.06 -44 46.2 2.253 1.789 36.7/118 50.3 25.6 11.3 143/2.03 30 14 09.60 -46 09.9 2.360 1.870 34.7/117 49.4 24.0 11.6 144/1.83 m1 = 7.0 + 5 log Delta + 10.0 log r

Associate of the CBAT Syuichi Nakano 2014 Dec. 10

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