Nakano Note (Nakano wa Kangaeru noda) NK 2385 C/2009 S3 (Lemmon)

The following improved orbital elements, by S. Nakano, are from 215 observations 2009 Sept. 24 to 2013 Jan. 13. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.66 arc second. See the previous orbits in NK 1960, NK 2067 and NK 2236 (= HICQ 2012). Epoch = 2011 Dec. 25.0 TT T = 2011 Dec. 11.30965 +/- 0.00192 (m.e.) TT Peri. = 129.76588 +/- 0.00016 Node = 225.13255 +/- 0.00002 (2000.0) Inc. = 60.38465 +/- 0.00002 q = 6.4745538 +/- 0.0000120 AU e = 1.0014543 +/- 0.0000122 1/a = -0.0002246 +/- 0.0000019 1/AU origin = +0.000417 (Q= 8) future = +0.000120 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2009/ 110627 215 0.2+ 0.3+ 111217 704 1.0- 1.0+ 090924 G96 0.2- 0.3+ 110701 958 (1.1+ 2.0-) 2012/ 090924 G96 0.1+ 0.6+ 110701 958 (1.1+ 2.0-) 120105 C32 1.0- 0.1- 090924 G96 0.1- 0.3+ 110701 958 0.5+ 1.2- 120105 C32 0.9+ 0.4- 090924 G96 0.2- 0.1+ 110705 C10 (2.3+ 3.2+) 120105 C32 0.5+ 0.5- 090924 G96 0.2- 0.1+ 110705 C10 0.1- 0.1+ 120115 215 0.4- 0.2- 090924 G96 0.0 0.1- 110708 958 1.5- 0.5- 120115 215 0.6+ 0.1- 090924 G96 0.4- 0.2+ 110708 958 0.1- 0.4- 120115 215 0.6- 1.1+ 090924 G96 0.3- 0.2- 110708 958 (0.1+ 2.5-) 120716 H06 0.7+ 0.2+ 090924 J95 0.5+ 0.2- 110708 B49 1.0- 0.2- 120716 H06 0.4+ 0.0 090925 G96 1.2- 0.8- 110709 B49 0.4+ 0.9+ 120723 C32 0.7- 0.1+ 090925 G96 0.4- 0.4- 110709 B49 0.4+ 0.5- 120723 C32 0.0 0.6+ 090925 G96 0.3+ 0.2- 110723 958 0.5+ 0.8- 120723 C32 0.4+ 0.7+ 090925 G96 0.6+ 0.0 110723 958 (2.3- 0.6+) 120724 958 0.2- 0.1+ 090925 J95 0.4+ 0.4+ 110725 H06 0.4+ 0.1+ 120724 958 0.2+ 0.6+ 090926 H01 0.2+ 0.3+ 110725 H06 0.3+ 0.3- 120724 958 (1.9- 2.2+) 090926 H01 0.0 0.3+ 110726 A77 0.8- 0.2- 120816 958 (0.7+ 2.0-) 090926 G96 0.2+ 0.5+ 110726 A77 0.9- 0.3- 120816 958 0.9+ 1.5- 090926 H01 0.0 0.3+ 110726 A77 0.2- 0.0 120823 C23 0.2+ 0.0 090926 G96 0.0 0.4- 110728 958 0.1+ 1.7- 120823 C23 0.2- 1.1- 090926 H01 0.0 0.3+ 110728 958 0.7+ 1.2+ 120915 958 1.8+ 1.4+ 090926 G96 0.1- 0.3+ 110728 958 1.0- 0.6- 120915 958 0.1+ 1.0+ 090926 J95 0.3+ 0.3- 110728 G68 0.3- 0.5+ 120915 958 (2.1+ 0.6+) 090927 G96 0.3- 0.3- 110728 G68 0.2- 0.4+ 120915 J36 0.3- 0.5+ 090927 G96 0.1- 0.1+ 110731 958 1.5- 1.0+ 120915 J36 0.3- 0.4+ 090927 G96 0.6- 0.5+ 110731 958 0.0 0.9- 120915 J36 0.1- 0.2+ 090927 H01 0.0 0.3+ 110731 958 0.4- 1.8- 120918 B96 1.3- 0.5+ 090927 H01 0.0 0.2+ 110801 958 (2.9+ 0.9-) 120918 B96 (2.1- 0.1+) 090927 H01 0.0 0.3+ 110801 958 (0.2+ 3.1-) 120918 B96 0.8- 0.4+ 090927 H01 0.1- 0.1+ 110802 958 1.4- 0.4- 120918 B96 0.7+ 1.7- 090927 H01 0.1- 0.3+ 110802 204 0.1- 0.4- 120918 B96 0.2- 1.2+ 090928 G96 0.4- 0.6- 110802 A13 0.4+ 1.5- 120918 B96 1.8- 0.0 090928 G96 0.7- 0.0 110802 204 0.1- 1.1+ 120918 B96 0.7- 0.2+ 090928 G96 0.2- 0.8+ 110802 A13 0.6+ 0.8+ 120918 B96 (2.6- 0.2+) 090928 G96 0.0 0.2- 110802 A13 1.8+ 0.5- 120918 B96 0.5+ 0.3- 091010 204 0.1- 0.2- 110803 970 0.1+ 0.1- 121006 F51 0.2+ 0.0 091025 G96 0.2- 0.3+ 110803 970 0.2- 0.1- 121006 F51 0.2+ 0.2- 091025 G96 0.6- 0.3- 110804 958 (0.7- 2.2-) 121006 F51 0.0 0.2- 2010/ 110804 958 1.5+ 0.6+ 121006 F51 0.2+ 0.1- 100706 850 1.2- 1.7- 110804 958 (0.0 2.0+) 121010 C23 0.9- 1.0+ 100706 850 0.8- 0.6- 110810 958 1.2- 0.2+ 121011 C23 0.6+ 1.4+ 100706 850 0.5+ 0.9- 110810 958 (3.2+ 1.1+) 121011 C23 0.7+ 0.7+ 100710 561 0.2- 0.5+ 110810 J01 0.0 0.3+ 121016 958 1.8- 0.3+ 100710 561 0.1+ 0.6+ 110811 J01 0.1+ 0.0 121016 958 1.1- 1.7+ 100710 561 0.5+ 0.8+ 110811 J01 0.2+ 0.3- 121019 F51 0.1- 0.3- 100714 561 0.6- 0.4+ 110817 118 0.2- 0.3- 121019 F51 0.0 0.4- 100714 561 1.1- 0.7+ 110817 118 0.2+ 0.2- 121019 F51 0.0 0.2- 100714 561 0.2- 0.5+ 110817 F51 0.6+ 0.0 121019 900 0.6+ 0.4+ 100714 561 0.6+ 0.3+ 110817 F51 0.2- 0.1+ 121019 900 1.6- 1.1+ 100714 561 1.2+ 0.1- 110829 F51 0.7+ 0.2- 121022 958 0.2- 0.4+ 100807 215 1.0- 0.5+ 110829 F51 0.4- 0.0 121022 958 1.4+ 0.7+ 100807 215 0.6- 0.5+ 110829 F51 0.0 0.0 121022 958 0.1- 1.3+ 100807 215 (2.4- 0.2-) 110915 958 (2.1+ 2.5-) 121023 958 (2.3+ 0.7+) 100821 B82 0.1- 0.3- 110915 958 0.7+ 1.8- 121024 958 0.2+ 1.2- 100822 B82 0.0 0.2+ 110915 958 (0.6+ 2.0-) 121024 958 (0.1+ 2.8-) 100822 B82 0.1- 0.7- 111002 130 0.6- 0.7- 121105 C32 0.2- 0.5+ 100919 J01 0.3+ 0.5- 111002 130 0.4- 0.5- 121105 C32 0.4- 0.2+ 100919 J01 0.3+ 0.2- 111002 130 0.2+ 0.0 121105 C32 0.3- 0.1+ 100919 J01 0.3+ 0.2- 111002 130 0.1+ 1.0+ 121116 C23 0.1- 1.0- 101004 B82 (1.2- 4.1+) 111004 B96 0.3+ 1.7+ 121116 C23 1.5+ 0.5+ 101004 B82 (1.0- 4.0+) 111004 B96 0.1+ 1.0+ 121116 C23 (2.5+ 0.8+) 101004 B82 (1.7- 5.1+) 111004 B96 1.2+ 0.4- 121117 C43 0.4+ 0.9- 101009 B82 0.0 0.0 111004 B96 1.0- 0.5- 121117 C43 (2.2- 0.6-) 101009 B82 0.3- 0.1- 111010 I93 0.5- 0.2- 121203 A24 0.3+ 0.3+ 101009 B82 0.4+ 0.5- 111010 I93 0.5- 0.2- 121203 A24 0.6- 1.2+ 101009 561 0.8+ 1.2- 111011 I93 0.1- 0.1+ 121204 A24 (2.1- 1.6-) 101009 561 0.9+ 0.5- 111013 I93 0.2- 1.2- 121204 A24 0.2- 0.4+ 101009 561 1.9+ 0.8- 111013 I93 0.1- 0.2- 121209 A24 0.8- 0.0 101011 B82 0.1- 0.4+ 111014 I93 0.8- 0.1+ 121209 A24 0.6- 0.3+ 101011 B82 0.4+ 0.1- 111014 I93 0.1+ 0.0 121209 A24 0.9+ 1.1+ 101011 B82 1.5+ 1.0+ 111014 I93 0.2- 0.1- 121211 A24 1.5+ 0.9- 101012 B82 0.2+ 1.1+ 111014 I93 0.3- 0.0 121211 A24 (0.7- 2.2+) 101012 B82 0.3- 0.2+ 111030 C32 0.2- 0.1+ 121211 511 0.7- 0.3- 101012 B82 0.1+ 1.1- 111030 C32 0.1- 0.1+ 121211 A24 1.0+ 0.8- 2011/ 111031 372 1.0- 0.5+ 121211 511 0.5- 0.1+ 110429 H06 0.7- 0.0 111031 372 0.3- 0.3+ 121211 A24 0.2+ 0.7+ 110429 H06 0.0 0.3+ 111101 C32 0.8- 0.1+ 2013/ 110429 H06 1.3+ 0.4+ 111101 C32 1.0- 0.4+ 130107 511 0.7- 0.1+ 110617 B96 1.0+ 0.5- 111106 B82 0.5- 1.7- 130107 511 0.1- 0.5+ 110617 B96 (2.0+ 0.4+) 111106 B82 0.1- 0.2- 130113 A21 (1.0- 2.2+) 110617 B96 0.2- 0.4+ 111106 B82 1.1+ 1.9+ 130113 A21 0.2- 0.4+ 110617 B96 0.1- 1.2- 111217 704 (0.0 2.1+) 130113 A21 0.1+ 0.2+ 110627 215 0.2- 0.4+ 111217 704 0.4- 1.6+ 110627 215 0.1- 0.4+ 111217 704 0.8- 1.8+ ( ) -------- Rejected Obs.

Associate of Central Bureau for Astronomical Telegrams Syuichi Nakano 2013 Jan. 28

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