Nakano Note (Nakano wa Kangaeru noda) NK 3886 C/2019 K4 (Ye)
The following improved orbital elements, by S. Nakano, are from 184 observations 2019 Apr. 24 to Sept. 2. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.54 arc second. Epoch = 2019 June 6.0 TT T = 2019 June 16.43288 +/- 0.00507 (m.e.) TT Peri. = 139.77743 +/- 0.00203 Node = 180.16485 +/- 0.00013 (2000.0) Inc. = 105.30691 +/- 0.00036 q = 2.2594844 +/- 0.0000259 AU e = 0.9991790 +/- 0.0000384 1/a = +0.0003634 +/- 0.0000170 1/AU origin = +0.001414 (Q= 7) future = +0.000795 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2019/ 190605 H06 0.2+ 0.1+ 190729 850 0.5- 0.4- 190424 I41 0.3- 0.2- 190605 H06 0.5+ 0.1- 190729 349 0.9- 0.7- 190424 I41 0.6- 0.4+ 190605 N55 0.5+ 0.1+ 190729 349 0.3- 0.2- 190424 I41 0.6- 0.2+ 190605 N55 0.2- 0.3- 190730 B96 0.4+ 0.3- 190424 I41 0.2- 0.0 190605 N55 0.1+ 0.0 190730 B96 0.3- 0.8- 190530 I41 0.2+ 0.5- 190606 711 1.0+ 0.3+ 190730 B96 0.2+ 0.0 190530 I41 0.0 0.4- 190606 711 0.6+ 0.1+ 190730 B96 0.1+ 0.0 190530 I41 0.1+ 0.4- 190606 711 0.7+ 0.3- 190802 C23 0.9- 0.4+ 190530 I41 0.1+ 0.2+ 190606 N55 0.1- 0.1+ 190802 C23 0.4+ 0.3- 190531 A77 0.8+ 0.3- 190606 N55 0.4+ 0.3+ 190802 C23 0.1- 0.2- 190531 A77 0.3+ 0.5- 190606 N55 0.1+ 0.0 190802 C23 0.3+ 0.0 190531 A77 0.4+ 0.2- 190607 N55 0.2- 0.5+ 190802 461 0.1+ 0.3+ 190531 G40 1.1+ 1.9- 190607 N55 0.3- 0.7+ 190802 461 0.4+ 0.4+ 190531 G40 0.1+ 0.1+ 190607 N55 0.1- 0.1+ 190802 461 0.5+ 0.2+ 190531 C42 0.3+ 0.6- 190608 595 0.3- 0.4+ 190802 461 0.5+ 0.3+ 190531 C42 0.8+ 0.1- 190608 595 0.3- 0.2+ 190802 461 0.2+ 0.3+ 190531 C42 0.6+ 0.1- 190608 K88 0.2- 0.3+ 190802 461 0.8+ 0.2+ 190531 C42 0.0 0.3+ 190608 K88 0.3+ 0.0 190802 461 0.4+ 0.3+ 190531 C42 0.6- 0.7+ 190608 K88 0.3+ 0.0 190803 D95 1.2- 0.2- 190601 A71 0.0 0.5- 190608 106 1.7+ 0.6+ 190803 D95 0.7- 0.5- 190601 A71 0.8- 0.2- 190608 106 0.5+ 1.8- 190803 D95 1.0- 0.0 190601 A71 1.1- 0.3- 190608 Z84 0.4- 0.2+ 190806 D95 1.1- 0.8- 190601 A71 0.6- 0.4- 190608 Z84 0.4- 0.3+ 190806 D95 0.7- 0.1- 190601 033 0.1- 0.2+ 190608 Z84 0.3- 0.3+ 190806 D95 1.1- 0.4- 190601 033 0.5- 0.0 190608 Z84 0.2+ 0.3+ 190807 Q11 0.0 0.2- 190601 G40 0.3- 0.7+ 190609 N55 0.1- 0.2- 190807 Q11 0.3- 0.1- 190601 G40 0.3+ 0.6+ 190609 N55 0.7+ 0.1- 190807 Q11 0.3- 0.1- 190601 G40 0.2- 0.8+ 190609 N55 1.1+ 0.6- 190807 C23 1.5- 0.5+ 190601 186 1.0- 0.1+ 190610 K88 0.2+ 0.4+ 190807 C23 0.5- 0.0 190601 186 0.3+ 0.4+ 190610 K88 0.8+ 0.3+ 190807 C23 1.0- 0.2- 190602 C10 (1.8- 2.0+) 190617 C95 1.0- 0.2+ 190807 C23 1.0- 0.0 190602 C10 0.9- 1.1+ 190617 C95 0.6- 0.5+ 190808 K02 0.9+ 0.2+ 190602 033 0.0 0.2- 190617 C95 0.2- 0.2+ 190808 K02 1.4- 0.0 190602 033 0.2- 0.1+ 190624 850 (2.3- 0.8-) 190808 K02 0.7+ 0.2- 190602 033 0.3+ 0.2+ 190624 850 (3.8- 1.2+) 190809 J22 0.7- 0.7- 190602 C10 0.4- 0.3+ 190624 850 0.5- 0.9- 190809 J22 1.2- 0.7- 190602 G40 0.1+ 0.1+ 190626 Q23 0.9- 0.3+ 190809 J22 (2.3- 1.2-) 190602 G40 0.4+ 0.1+ 190626 Q23 0.7- 0.1+ 190811 461 0.0 0.3+ 190602 G40 0.1+ 0.4+ 190629 K77 0.9+ 0.3+ 190811 461 0.3- 0.2+ 190602 N55 0.6+ 0.2+ 190630 K77 1.0- 0.3+ 190811 461 0.4+ 0.3+ 190602 N55 0.7+ 0.0 190630 215 0.4- 0.1+ 190811 A71 0.2- 0.1- 190602 N55 0.8+ 0.4- 190630 215 0.4- 0.1+ 190811 A71 0.4+ 0.0 190603 A71 0.9- 0.3- 190630 215 0.5- 0.0 190811 A71 0.2- 0.2+ 190603 A71 0.4- 0.5- 190708 H06 1.6- 0.7+ 190811 A71 0.3- 0.2- 190603 L01 0.7- 1.3+ 190708 H06 1.7- 0.7+ 190811 A71 0.7- 0.4- 190603 033 0.1- 0.2+ 190715 G40 0.8- 0.0 190811 A71 1.1- 0.1+ 190603 033 0.1+ 0.2+ 190715 G40 0.9- 0.3- 190811 A71 0.1- 0.3- 190603 033 0.4+ 0.6- 190720 C95 0.4- 0.1- 190811 A71 0.8- 0.1- 190603 A71 0.2- 0.7- 190720 C95 0.8- 0.2- 190812 F51 0.9+ 0.1+ 190603 A71 0.7- 0.8- 190720 C95 0.8- 0.3- 190812 F51 0.9+ 0.1+ 190603 L01 0.2+ 0.2+ 190720 C95 0.0 0.5- 190812 F51 0.9+ 0.0 190603 157 0.4- 0.2+ 190724 A71 0.2- 0.2- 190812 461 0.1- 0.4+ 190603 L01 0.6+ 0.5- 190724 A71 0.4- 0.0 190812 461 0.1- 0.3+ 190603 157 0.6- 0.2+ 190724 C23 0.7- 0.0 190813 461 0.4- 0.4+ 190603 U69 0.3+ 0.3- 190724 C23 0.1- 0.1+ 190813 461 0.1+ 0.4+ 190603 U69 0.4+ 0.2- 190724 A71 0.2+ 0.1- 190821 C23 0.0 0.5+ 190604 K61 0.4+ 0.4+ 190724 C23 1.4- 0.2- 190821 C23 1.7- 0.3- 190604 K61 0.7+ 0.1+ 190724 A71 0.2- 0.0 190821 C23 0.4- 0.1- 190604 K61 0.5+ 0.2- 190724 A71 0.1- 0.2- 190826 H06 0.7- 0.0 190604 A71 1.1+ 0.2+ 190728 K02 0.0 0.2+ 190826 H06 0.8- 0.1+ 190604 A71 1.4+ 0.0 190728 K02 (2.0- 0.1-) 190902 Q11 1.1- 0.1+ 190604 705 0.3- 0.4- 190729 K02 (2.3- 2.0-) 190902 Q11 0.8- 0.0 190604 705 0.0 0.5- 190729 850 0.7+ 0.1- 190902 Q11 0.8- 0.1- 190604 705 0.2- 0.1- 190729 850 0.1+ 0.2- ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2019 Sept. 5