Nakano Note (Nakano wa Kangaeru noda) NK 4154 C/2020 K3 (Leonard)

The following improved orbital elements, by S. Nakano, are from 158 observations 2019 Oct. 25 to 2020 July 8. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.57 arc second. See an orbit in CBET 4782. Epoch = 2020 May 31.0 TT T = 2020 May 30.12166 +/- 0.00010 (m.e.) TT Peri. = 62.69739 +/- 0.00008 Node = 27.92770 +/- 0.00002 (2000.0) Inc. = 128.71537 +/- 0.00003 q = 1.5934477 +/- 0.0000014 AU e = 0.9924385 +/- 0.0000037 1/a = +0.0047454 +/- 0.0000023 1/AU origin = +0.005027 (Q= 8) future = +0.004744 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2019/ 200523 N88 0.1+ 0.3- 200616 349 0.3- 0.6- 191025 F52 0.1- 0.1+ 200523 N88 0.5- 0.8+ 200616 349 0.2+ 0.9- 191025 F52 0.7+ 0.3+ 200523 N88 0.5- 0.6+ 200617 568 0.8+ 0.2+ 191025 F52 0.4+ 0.2- 200524 L02 1.2- 0.8+ 200617 568 0.8+ 0.2+ 191025 F52 0.6- 0.4+ 200524 L06 1.3- 0.3- 200618 K77 0.0 0.5- 191121 F51 0.5- 0.1- 200524 L02 0.5- 0.9- 200618 K77 (3.7- 6.2+) 191121 F51 0.0 0.4- 200524 L06 1.3- 0.4- 200620 T05 0.5+ 0.1+ 191121 F51 0.1- 0.0 200524 L06 0.6- 0.4+ 200620 T05 0.2+ 0.3+ 191121 F51 0.3+ 0.3- 200524 I93 1.1- 0.1- 200620 T05 0.8- 0.2- 191121 F51 0.2- 0.1+ 200524 I93 0.1+ 0.1- 200620 T05 1.1- 1.0- 191121 F51 0.4- 0.1- 200524 I93 0.9- 0.1- 200622 A71 0.5+ 0.7+ 191121 F51 0.1+ 0.6- 200525 J95 0.0 0.1+ 200622 A71 0.0 0.8+ 191128 F51 0.5- 0.1+ 200525 Z99 0.4- 1.0+ 200626 K87 1.7- 0.0 191128 F51 0.1+ 0.2- 200525 204 0.3- 0.1- 200626 K87 0.4- 0.4+ 191229 F52 0.2+ 0.3+ 200525 J95 0.3- 0.2+ 200626 K87 1.7- 0.8- 191229 F52 0.5+ 0.3+ 200525 Z99 0.6- 0.8+ 200628 T05 0.1- 0.3+ 191229 F52 0.9+ 0.5+ 200525 204 0.4- 0.5+ 200628 T05 0.6- 0.4+ 2020/ 200525 Z99 0.7- 0.5+ 200628 T05 0.2- 0.6+ 200522 703 1.4- 0.2- 200525 204 0.5- 0.3- 200628 T05 0.4+ 0.0 200522 703 0.4- 0.4- 200525 J95 0.5- 0.0 200628 L01 0.5+ 0.5+ 200522 703 0.5+ 0.6+ 200525 186 (0.7- 3.6-) 200628 L01 1.0+ 0.6+ 200522 703 1.2- 1.0+ 200525 186 (1.5+ 2.9-) 200628 104 0.1+ 0.0 200523 L01 0.1+ 0.0 200525 186 (1.5+ 4.1-) 200628 104 0.4- 0.0 200523 L01 0.1- 0.1- 200525 186 (0.4+ 3.3-) 200628 L01 0.2+ 0.2+ 200523 L01 0.4+ 0.1- 200527 A71 0.8- 0.3- 200628 L01 0.3+ 0.2+ 200523 L01 0.8+ 0.2+ 200527 215 0.9- 0.0 200628 L01 1.2+ 0.2+ 200523 L01 0.1- 1.5+ 200527 215 1.1- 0.0 200628 104 0.4- 0.1- 200523 J95 0.6+ 0.9- 200527 215 0.8- 0.0 200628 L07 0.4+ 0.4+ 200523 J95 0.0 0.2+ 200527 A71 1.5- 0.1- 200628 L07 0.3+ 0.5+ 200523 G40 (3.7- 0.9-) 200527 A71 0.3- 0.1- 200629 G40 0.1- 0.3+ 200523 G40 (3.9+ 0.7-) 200527 Z84 0.1- 0.1- 200629 G40 0.3+ 0.3- 200523 G40 (7.4+ 11.6-) 200527 Z84 0.0 0.3- 200629 U55 (6.6- 5.6+) 200523 G40 1.5- 0.4- 200527 Z84 0.3+ 0.0 200629 H21 0.4+ 0.2+ 200523 G40 (0.2- 6.4-) 200527 Z84 0.3+ 0.0 200629 H21 0.7+ 0.2+ 200523 H06 0.6- 0.3+ 200527 J22 0.9+ 0.2- 200629 H21 0.4+ 0.4+ 200523 H06 0.3- 0.7- 200527 J22 (2.9- 1.7-) 200629 U55 (8.0- 5.0+) 200523 H06 0.4- 0.1- 200527 J22 (3.0- 0.2+) 200629 H21 0.7+ 0.4+ 200523 703 1.0- 0.7- 200528 Z84 0.5- 0.1+ 200629 H21 0.6+ 0.6+ 200523 H06 0.4- 0.2- 200528 Z84 0.2- 0.1+ 200630 K87 1.1- 1.9- 200523 H06 0.6- 0.2- 200528 Z84 0.5- 0.3+ 200630 K87 (0.6- 5.3-) 200523 703 1.4- 0.0 200528 568 0.4+ 0.0 200630 G40 0.3+ 0.7+ 200523 703 1.6- 0.4- 200528 568 0.4+ 0.0 200630 G40 0.1+ 0.4+ 200523 703 1.8- 0.5- 200528 568 0.4+ 0.0 200630 T08 0.8+ 0.1+ 200523 U71 0.4- 1.8- 200528 Q11 0.5- 0.1+ 200630 T08 0.1- 0.3+ 200523 U71 0.6+ 0.6+ 200528 Q11 0.5- 0.1+ 200630 T08 0.2+ 0.4- 200523 U71 0.5+ 0.7- 200528 Q11 0.2- 0.1+ 200630 T08 0.4+ 1.0- 200523 U71 0.4- 1.6- 200529 Z10 0.3+ 0.1+ 200705 L27 0.5- 0.7+ 200523 U71 1.1- 0.6- 200529 Z10 (2.2+ 1.2-) 200705 L27 0.0 0.8+ 200523 F65 0.2+ 0.6+ 200529 H06 0.1+ 0.3+ 200707 C51 (2.2+ 0.5-) 200523 F65 0.1- 0.5+ 200529 H06 0.2- 0.1+ 200707 C51 0.2+ 0.3- 200523 F65 0.1+ 0.5+ 200531 Z84 0.0 0.1- 200707 C51 (0.7- 11.5+) 200523 F65 0.1- 0.4+ 200531 Z84 0.3- 0.2- 200707 C51 (0.6- 15.7-) 200523 F65 0.1- 0.5+ 200531 Z84 0.1- 0.4- 200707 C51 (1.1- 14.1-) 200523 F65 0.1+ 0.4+ 200601 H06 0.2- 0.5- 200707 C51 (0.5+ 2.0+) 200523 F65 0.0 0.6+ 200601 H06 0.3- 0.4- 200707 C95 (3.4+ 2.1-) 200523 F65 0.3- 0.4+ 200611 H06 0.2- 0.3+ 200707 C95 0.5- 0.4- 200523 F65 0.2+ 0.5+ 200611 H06 0.4- 0.2+ 200708 C51 0.5+ 0.4+ 200523 P87 (0.4+ 2.8-) 200615 Q11 0.4- 0.1- 200708 T08 0.2- 0.1+ 200523 P87 (0.4- 2.2-) 200615 Q11 0.4- 0.1- 200708 T08 0.5- 0.1+ 200523 N88 0.3+ 0.8+ 200615 Q11 0.4- 0.2- 200708 T08 0.5- 0.2- 200523 N88 0.5- 0.4- 200616 349 0.8- 1.5- 200708 T08 0.4- 0.5+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2020 July 13

Back to Nakano Note Page