Nakano Note (Nakano wa Kangaeru noda) NK 5092 C/2017 E5 (Lemmon)
The following improved orbital elements, by S. Nakano, are from 105 observations 2015 Aug. 22 to 2017 May 28. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.59 arc second. The comet has passed 2.84 AU from Jupiter on 2017 Jan. 4 UT. The 2015 and 2016 observations were reported on 2022 July MPC, so that orbit was great improved. See the previous orbit in NK 4191. Epoch = 2016 June 21.0 TT T = 2016 June 10.88496 +/- 0.00012 (m.e.) TT Peri. = 306.77882 +/- 0.00005 Node = 206.18996 +/- 0.00004 (2000.0) Inc. = 122.63008 +/- 0.00003 q = 1.7836083 +/- 0.0000009 AU e = 0.9954254 +/- 0.0000037 1/a = +0.0025648 +/- 0.0000021 1/AU origin = +0.003116 (Q= 8) future = +0.002880 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2015/ 170304 G96 0.4+ 0.3- 170311 595 0.5+ 0.3- 150822 W84 0.4- 0.5+ 170304 I52 (2.0- 0.4+) 170311 595 0.7+ 0.1+ 150913 W84 0.1+ 0.2+ 170304 I52 0.9- 0.6- 170316 K51 0.3- 0.2+ 150913 W84 0.1+ 0.0 170304 I52 0.1- 0.1+ 170316 K51 0.4- 0.4+ 150913 W84 0.0 0.4+ 170304 300 0.2- 0.4- 170316 K51 0.5- 0.5+ 151006 W84 0.2- 0.0 170304 300 1.4- 0.1+ 170317 C10 1.4+ 0.4- 151006 W84 0.1+ 0.7- 170304 300 0.8- 1.3- 170317 C10 1.2+ 0.2+ 2016/ 170305 H21 (1.2+ 2.3-) 170317 C10 (2.0+ 0.7+) 160514 C51 0.7+ 0.2+ 170305 H21 (0.9+ 2.6-) 170317 G96 0.2- 0.2+ 160514 C51 0.2+ 0.5- 170305 H21 (1.0+ 2.4-) 170317 G96 0.2- 1.1- 160514 C51 0.1+ 1.2- 170306 G96 0.2- 0.1- 170317 G96 0.3+ 0.1+ 160514 C51 0.4+ 0.5+ 170306 G96 0.4- 0.6- 170317 G96 1.9+ 0.3- 160514 C51 0.7+ 0.0 170306 G96 0.1+ 0.1+ 170317 J87 0.8- 0.6+ 160514 C51 0.4- 0.5- 170306 G96 0.7- 0.2- 170317 J87 0.7- 0.7+ 160514 C51 0.8- 1.1+ 170306 G96 0.2+ 0.5- 170317 J87 0.5- 0.6+ 160514 C51 0.7- 0.4+ 170306 G96 0.2+ 0.2+ 170322 G96 0.4- 0.1+ 160514 C51 0.9- 0.5- 170306 G96 0.1+ 0.6- 170322 G96 0.1- 0.1+ 160514 C51 (2.0- 0.1-) 170306 G96 0.2+ 0.2- 170322 G96 0.1+ 0.2- 160515 C51 0.7+ 0.8+ 170306 F51 0.3- 0.1+ 170325 033 0.5+ 0.2+ 160515 C51 1.0- 0.1+ 170306 F51 0.2- 0.3+ 170325 033 0.5+ 0.4+ 160515 C51 1.9+ 0.2- 170306 F51 0.0 0.4+ 170325 033 0.0 0.4+ 160515 C51 (2.3+ 1.3+) 170306 F51 0.0 0.0 170327 033 0.0 0.2+ 160619 C51 0.1- 0.2- 170308 I52 0.5+ 0.1+ 170327 033 0.4+ 0.3+ 160619 C51 0.0 0.2+ 170308 I52 0.9- 0.4- 170327 033 0.0 0.1+ 160619 C51 0.9+ 0.0 170308 I52 0.4+ 0.2- 170327 033 0.2- 0.3+ 160619 C51 0.5+ 0.3- 170308 I52 0.2+ 0.4- 170327 033 0.0 0.6+ 160620 C51 0.4- 0.7- 170308 U69 0.1- 0.2- 170328 K61 0.0 0.1+ 160620 C51 0.1- 0.5+ 170308 U69 0.9+ 0.0 170328 K61 1.2+ 0.5- 160620 C51 0.3+ 0.8- 170309 G96 0.5+ 1.0- 170329 I93 0.4- 0.3+ 160620 C51 0.1- 0.1+ 170309 G96 0.1+ 0.4- 170329 I93 0.1+ 1.1+ 2017/ 170309 G96 0.6+ 0.9+ 170330 I52 0.2+ 0.2+ 170209 F51 0.1- 0.3+ 170309 G96 0.3+ 0.3+ 170330 I52 0.5+ 0.2+ 170209 F51 0.3- 0.2- 170310 G96 0.0 0.0 170330 I52 0.4+ 1.6- 170304 G96 0.5+ 0.9- 170310 G96 0.2- 0.7- 170331 I52 0.9- 1.4- 170304 G96 0.1- 0.8- 170310 I52 0.2+ 0.4- 170331 I52 1.2+ 0.3- 170304 G96 1.1+ 1.6- 170310 I52 0.0 0.9+ 170331 I52 1.6+ 1.3+ 170304 G96 0.2- 1.9- 170310 G96 0.1+ 0.4- 170528 695 0.6- 0.3+ 170304 G96 1.4+ 0.9- 170310 I52 0.1- 0.1+ 170304 G96 0.0 0.3- 170310 G96 0.5+ 0.4+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2023 Nov. 29