Nakano Note (Nakano wa Kangaeru noda) NK 4204 C/2020 H3 (Wierzchos)
The following improved orbital elements, by S. Nakano, are from 122 observations 2020 Apr. 25 to Aug. 25. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.52 arc second. The comet has passed 2.80 AU from Jupiter on 2020 Feb. 25 and will pass 6.10 AU from Uranus on 2029 July 22. See the previous orbit in CBET 4762. Epoch = 2020 May 31.0 TT T = 2020 June 3.56943 +/- 0.00084 (m.e.) TT Peri. = 29.60867 +/- 0.00033 Node = 270.56960 +/- 0.00018 (2000.0) Inc. = 62.36873 +/- 0.00023 q = 2.3043888 +/- 0.0000088 AU e = 1.0022447 +/- 0.0000250 1/a = -0.0009741 +/- 0.0000109 1/AU origin = +0.000047 (Q= 7) future = +0.000046 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2020/ 200429 A77 0.2- 1.0+ 200621 B49 1.3- 0.7- 200425 G96 0.3+ 0.1+ 200429 A77 0.1- 1.5+ 200621 B49 0.1+ 0.5- 200425 G96 0.6- 0.2- 200503 T08 0.0 1.9+ 200708 130 0.2- 0.4+ 200425 G96 0.2- 0.4- 200503 T08 0.4- 0.3- 200708 130 0.6- 0.0 200425 G96 0.0 0.1- 200503 T08 0.4- 0.6- 200712 658 0.5+ 0.1+ 200425 I52 0.5+ 0.7- 200512 B74 0.2- 0.0 200712 658 0.6+ 0.0 200425 I52 0.2- 0.0 200512 B74 0.0 0.3+ 200712 658 0.7+ 0.1+ 200425 I52 0.5- 0.6- 200512 B74 0.8+ 0.3+ 200712 658 0.9+ 0.2+ 200425 I52 0.1+ 0.1+ 200514 H06 0.0 0.3+ 200712 658 1.3+ 0.1- 200425 G96 0.8+ 0.4- 200514 H06 0.2- 0.1- 200716 658 0.4+ 0.3+ 200425 G96 0.2- 0.8+ 200518 215 0.3- 0.9- 200716 658 0.5+ 0.2+ 200426 G40 0.0 0.3+ 200518 215 0.5+ 1.0+ 200716 658 0.4+ 0.1+ 200426 G40 0.7+ 0.5+ 200518 B74 0.4+ 0.4+ 200716 658 0.4+ 0.0 200426 J04 0.3+ 0.5+ 200518 B74 0.5+ 0.5- 200716 658 0.3+ 0.1- 200426 J04 0.3+ 0.3+ 200518 B74 0.3+ 0.4- 200716 658 0.5+ 0.2- 200426 I52 0.6+ 0.4- 200518 658 0.1+ 0.1- 200719 G96 0.5- 1.0- 200426 I52 0.2+ 0.1- 200518 658 0.1+ 0.0 200719 G96 0.0 0.4- 200426 I52 0.1- 1.2- 200518 658 0.2+ 0.0 200719 G96 0.2+ 0.2- 200426 I52 0.5- 1.3- 200518 658 0.4+ 0.1- 200808 G96 0.0 0.1- 200427 L01 0.6+ 0.6- 200518 658 0.4+ 0.1+ 200808 G96 0.0 0.2- 200427 L01 0.3+ 0.4+ 200519 B74 0.2- 0.2- 200808 G96 0.2- 0.3- 200427 L01 0.1- 0.0 200519 B74 0.5+ 0.2+ 200808 G96 0.1- 0.4- 200427 I52 1.4- 0.5- 200519 B74 0.3+ 0.1+ 200809 I81 (0.3+ 2.2-) 200427 I52 0.6- 0.6- 200519 C65 0.1- 0.2+ 200809 I81 0.2+ 1.8- 200427 I52 0.9+ 0.2- 200519 C65 0.2- 0.5- 200809 I81 0.1+ 0.3- 200427 H06 0.0 0.3- 200519 C65 0.2- 0.5- 200814 Q11 0.1- 0.3- 200427 H06 0.1- 0.1- 200524 Q11 0.5+ 0.0 200814 Q11 0.1+ 0.3- 200428 246 0.1+ 0.2+ 200524 Q11 0.3+ 0.0 200814 Q11 0.2+ 0.4- 200428 246 0.7- 0.1- 200524 Q11 0.4+ 0.1- 200815 Z10 1.4- 0.2+ 200428 246 0.1- 0.3+ 200527 658 0.2+ 0.1+ 200815 Z10 (1.1+ 2.2-) 200428 246 0.5- 0.4- 200527 658 0.0 0.0 200816 A02 (1.0+ 3.2-) 200428 246 0.4- 0.1- 200527 658 0.1+ 0.3+ 200816 A02 0.6+ 1.2- 200428 246 0.3- 0.3- 200527 658 0.1- 0.2+ 200816 A02 0.2+ 0.6- 200428 246 0.2- 0.2+ 200527 658 0.1- 0.6+ 200816 A02 0.7+ 1.2- 200428 246 0.8- 0.2+ 200530 B74 0.1+ 0.4- 200817 F52 0.4- 0.6+ 200428 I52 0.5- 0.2- 200530 B74 0.1- 0.4- 200817 F52 0.1- 0.3+ 200428 I52 0.2- 0.7- 200530 B74 0.4- 1.2+ 200817 F52 0.2- 0.0 200428 I52 0.4+ 0.0 200615 Q11 0.2- 0.2- 200822 A77 1.1+ 1.1- 200428 I52 0.4- 0.2- 200615 Q11 0.1- 0.3- 200822 A77 1.0+ 0.4- 200428 F65 0.5+ 0.7+ 200617 B74 0.8- 0.1- 200825 Z90 1.4+ 0.6- 200428 F65 0.5+ 0.5+ 200617 B74 1.2- 0.4+ 200825 Z90 0.5+ 0.6+ 200428 F65 0.2+ 0.4+ 200617 B74 0.8- 1.0+ 200825 Z90 0.6- 0.2- ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2020 Sept. 7