Nakano Note (Nakano wa Kangaeru noda) NK 2736 14P/Wolf

The following improved orbital elements, by T. Kobayashi, are from 200 observations 1950 to 2010. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.68 arc second. See the previous orbits in NK 413, NK 532, NK 660 and NK 1309 (= MPC 56802). Epoch = 2009 Feb. 18.0 TT T = 2009 Feb. 27.25181 +/- 0.00013 (m.e.) TT Peri. = 158.98853 +/- 0.00004 Node = 202.11936 +/- 0.00003 (2000.0) Inc. = 27.94339 +/- 0.00002 q = 2.7241216 +/- 0.0000005 AU e = 0.3579548 +/- 0.0000001 a = 4.2428812 +/- 0.0000012 AU n' = 0.11277498 +/- 0.00000005 P = 8.740 +/- 0.0000035 years T = 1950 Oct. 23.65834 TT Epoch = 1950 Oct. 6.0 TT Peri. = 161.13948 e = 0.3963720 Node = 204.58441 (2000.0) a = 4.1376282 AU Inc. = 27.31081 n'= 0.11710539 q = 2.4975882 AU P = 8.416 years T = 1959 Mar. 21.83726 TT Epoch = 1959 Mar. 13.0 TT Peri. = 161.07203 e = 0.3947525 Node = 204.60970 (2000.0) a = 4.1419485 AU Inc. = 27.29207 n'= 0.11692221 q = 2.5069041 AU P = 8.430 years T = 1967 Aug. 30.11820 TT Epoch = 1967 Aug. 18.0 TT Peri. = 161.24618 e = 0.3949129 Node = 204.50410 (2000.0) a = 4.1416368 AU Inc. = 27.30142 n'= 0.11693541 q = 2.5060512 AU P = 8.429 years T = 1976 Jan. 25.35547 TT Epoch = 1976 Jan. 23.0 TT Peri. = 161.13725 e = 0.3956852 Node = 204.51384 (2000.0) a = 4.1381924 AU Inc. = 27.32636 n'= 0.11708144 q = 2.5007708 AU P = 8.418 years T = 1984 May 31.82728 TT Epoch = 1984 May 20.0 TT Peri. = 162.17095 e = 0.4067534 Node = 204.21819 (2000.0) a = 4.0713296 AU Inc. = 27.50562 n'= 0.11997747 q = 2.4153026 AU P = 8.215 years T = 1992 Aug. 28.13360 TT Epoch = 1992 Sept.15.0 TT Peri. = 162.28591 e = 0.4056005 Node = 204.14519 (2000.0) a = 4.0842905 AU Inc. = 27.47770 n'= 0.11940682 q = 2.4277004 AU P = 8.254 years T = 2000 Nov. 21.07255 TT Epoch = 2000 Dec. 2.0 TT Peri. = 162.36336 e = 0.4071498 Node = 204.12097 (2000.0) a = 4.0695404 AU Inc. = 27.52267 n'= 0.12005660 q = 2.4126278 AU P = 8.210 years The predicted orbit for the 2017 return is as follows: T = 2017 Dec. 1.99989 TT Epoch = 2017 Nov. 23.0 TT Peri. = 159.02387 e = 0.3559830 Node = 202.11615 (2000.0) a = 4.2592646 AU Inc. = 27.90314 n'= 0.11212492 q = 2.7430387 AU P = 8.790 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1950/ 920927 658 (1.4- 2.0-) 2004/ 500618 672 1.8- 1.3- 921102 360 0.2- 0.4- 040121 809 0.5+ 0.0 500618 672 0.2- 0.7+ 921102 360 0.1+ 0.4- 040121 809 0.5+ 0.2+ 500619 672 0.9- 0.1- 921202 691 0.3- 0.3- 040121 809 0.6+ 0.2+ 500619 672 1.6- 0.4+ 921202 691 0.2+ 0.4- 040122 809 0.1+ 0.7+ 500720 672 0.9- 0.2+ 921202 691 0.3+ 0.3- 040122 809 0.0 0.7+ 500720 672 1.0- 0.3- 1993/ 040122 809 0.0 0.8+ 500721 672 1.0- 0.9- 930125 691 1.4- 0.5- 2007/ 500722 672 0.7- 0.4- 930125 691 1.1- 0.2- 070424 G96 0.3- 0.0 500816 672 0.9- 0.9- 930125 691 1.8- 0.5- 070424 G96 0.5+ 0.2- 500816 662 0.4- 0.5+ 1999/ 070424 G96 0.4- 0.4- 500816 662 0.6- 0.2+ 990415 693 0.6- 0.2- 070424 G96 0.7- 0.5+ 500817 672 0.5+ 0.6+ 990415 693 0.3- 0.6- 070426 693 0.1- 0.1- 500910 672 1.5- 1.0- 990523 693 0.6- 0.1- 070426 693 0.2- 0.0 500911 672 0.2+ 0.1+ 990523 693 1.0- 0.1- 070426 693 0.1- 0.2- 500912 672 0.1+ 0.6- 990523 693 0.9- 0.0 2008/ 501010 672 0.4+ 0.5- 990622 691 0.1- 0.0 080803 204 0.4- 0.1- 501102 662 0.4+ 0.6- 990622 691 0.0 0.0 080803 204 0.4- 0.1- 501102 662 1.1+ 1.3- 990622 691 0.0 0.4- 080808 B42 0.3- 0.3- 501112 672 (3.1- 0.0 ) 990913 695 0.2+ 0.2- 080808 B42 0.2- 0.7- 501213 672 1.7- 0.2- 990913 695 0.5- 0.6- 080808 B42 0.7- 1.1- 501213 672 (2.7- 0.0 ) 990913 695 0.6- 0.1+ 080810 A77 0.9- 0.6+ 1951/ 2000/ 080810 A77 0.2- 0.2+ 510106 711 (2.9+ 1.0-) 000601 809 1.0- 0.5- 080810 A77 0.1- 0.7+ 510108 711 1.0- 0.8- 000601 809 0.5+ 0.8+ 080814 B42 1.8- 0.4- 510108 711 (3.0- 2.1-) 000601 809 0.0 0.2+ 080827 215 0.0 1.0+ 1958/ 000609 561 0.0 0.3+ 080827 215 0.3- 0.5+ 580624 689 1.1+ 0.3- 000609 561 0.1+ 0.3- 080827 215 0.5- 0.2+ 580624 689 0.9+ 0.5- 000609 561 0.1- 0.1+ 080901 B42 0.8- 0.8- 580710 689 0.5+ 0.2+ 000804 608 0.4- 0.7+ 080901 B42 0.8- 0.8- 580710 689 1.4+ 0.3+ 000804 608 0.5- 0.2+ 080908 130 0.2- 0.1+ 581008 689 0.5+ 0.4- 000804 360 0.3+ 0.1- 080908 130 0.2- 0.4- 581008 689 1.6+ 0.4+ 000804 360 0.0 0.5- 080908 130 1.4- 0.1+ 581014 689 1.1+ 0.1- 000804 360 0.1+ 0.3- 080928 B37 0.6- 1.3+ 581014 689 0.3+ 0.7- 000824 867 0.1- 0.2- 080928 B37 1.0- 1.2+ 1967/ 000824 867 0.1+ 0.0 080928 B37 (2.9- 3.5+) 670930 693 1.0+ 0.6+ 000824 867 0.1+ 0.1- 081001 704 0.0 0.1- 671005 371 (0.1+ 2.9-) 000826 360 0.2+ 0.4- 081001 704 0.3+ 0.6+ 671005 371 (2.8+ 2.3-) 000826 360 0.1+ 0.1- 081001 704 0.6- 0.6- 671007 371 (2.8- 1.8-) 000828 049 0.1- 1.3+ 081002 B37 0.8+ 1.1+ 671007 371 (3.4+ 3.1+) 000828 049 0.4- 1.6+ 081002 B37 1.3- 0.3- 671008 371 (1.3+ 7.2-) 000828 049 0.2+ 0.3+ 081002 B37 1.4- 0.0 671104 693 1.3+ 1.2- 000906 704 0.2+ 0.1- 081008 B42 0.2+ 0.8- 671104 693 1.5+ 0.7- 000906 704 0.4- 0.4+ 081026 A77 1.0+ 0.8- 1975/ 000906 704 0.3- 0.6+ 081026 B37 0.6- 0.6- 750517 801 1.4- 1.8- 000906 704 0.3- 0.2+ 081026 B37 1.2- 0.6- 750517 695 0.1- 0.2- 000906 704 0.5- 0.1- 081026 B37 1.4+ 0.2+ 750517 695 0.3+ 0.0 000922 704 0.1- 0.4- 081117 204 0.0 0.4- 750611 801 0.3- 0.1- 000922 704 0.0 0.2+ 2009/ 750808 695 0.1+ 1.1- 000922 704 0.0 0.2- 090102 204 0.1+ 0.9+ 750808 695 0.4+ 1.0- 000922 704 0.3+ 0.1- 091123 349 1.2+ 0.4- 750904 801 0.0 0.8- 000922 704 0.4+ 0.6+ 091123 349 0.7+ 0.7- 750906 801 1.6+ 1.4+ 000926 360 0.2+ 0.4- 091123 349 1.2+ 0.3- 750909 695 0.4+ 0.3- 000926 360 0.3+ 0.4- 2010/ 751007 695 (2.2+ 0.7-) 000929 699 0.8+ 0.0 100121 204 0.1- 0.2- 751105 801 0.5- 0.8+ 000929 699 0.2+ 0.2- 100121 204 0.2- 0.4- 751206 693 1.5+ 0.3- 000929 699 1.1+ 0.3+ 100207 A77 1.7- 0.7+ 751206 693 1.8+ 0.2- 000929 699 1.2+ 0.8- 100207 A77 0.2- 1.6+ 1983/ 001004 704 0.4+ 0.1+ 100208 C51 0.5- 0.7- 830801 675 0.5- 1.2- 001004 704 0.6+ 0.1- 100208 C51 (3.3+ 1.4-) 830803 675 0.0 0.2+ 001004 704 0.3+ 0.2+ 100208 C51 0.1+ 0.7+ 1984/ 001119 704 0.1+ 0.3+ 100208 C51 0.5+ 0.5- 840906 675 1.1- 0.0 001119 704 1.0+ 0.1- 100208 C51 0.3+ 0.4+ 841103 675 0.6- 0.1+ 001119 704 0.3+ 0.8+ 100208 C51 0.8+ 0.2- 841123 707 1.2- 1.6- 001119 704 0.7+ 1.0+ 100208 C51 0.4+ 0.9+ 1992/ 001119 704 0.9+ 0.7+ 100208 C51 0.0 1.0- 920710 372 0.0 0.5- 001122 360 0.2+ 0.1- 100208 C51 0.4+ 0.7+ 920725 372 (8.1- 3.9-) 001122 360 0.2+ 0.0 100208 C51 0.3- 0.0 920726 372 (2.1- 1.3-) 001125 699 0.4+ 0.2+ 100209 C51 0.3+ 0.6- 920726 372 (5.4+ 0.1+) 001125 699 1.1+ 0.8+ 100209 C51 0.7+ 0.2+ 920727 658 0.8- 0.0 001125 699 0.7+ 0.7+ 100209 C51 0.1+ 0.2- 920727 658 0.6- 0.3+ 001125 699 0.5+ 1.2+ 100209 C51 0.5+ 0.0 920727 658 0.5- 0.1- 001126 704 0.5+ 0.3+ 100209 C51 0.1+ 0.7- 920925 691 0.6- 0.4+ 001126 704 1.1+ 0.2+ 100212 A77 1.0+ 1.1+ 920925 691 0.1- 0.0 001126 704 0.8+ 0.8+ 100212 A77 0.3- 1.5+ 920925 691 0.7- 0.2+ 001126 704 0.2+ 0.9+ 100212 A77 0.5+ 1.3+ 920927 658 0.4- 1.4- 001222 360 0.1+ 0.3+ 920927 658 0.5- 1.4- 001222 360 0.4+ 0.0 ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2014 June 25

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