Nakano Note (Nakano wa Kangaeru noda) NK 4993 C/2019 M4 (TESS)
The following improved orbital elements, by S. Nakano, are from 70 observations 2019 June 27 to Dec. 22. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 1.61 arc seconds. See an orbit in CBET 5257 (= same orbit). Epoch = 2019 Aug. 25.0 TT T = 2019 Sept.13.80240 +/- 1.62267 (m.e.) TT Peri. = 260.43322 +/- 0.08189 Node = 52.56802 +/- 0.00222 (2000.0) Inc. = 65.71048 +/- 0.00025 q = 9.1817539 +/- 0.0003018 AU e = 1.0047744 +/- 0.0000854 1/a = -0.0005200 +/- 0.0000093 1/AU origin = +0.000015 (Q= 7) future = +0.000090 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2019/ 190701 C57 0.9+ 0.5+ 190715 C57 0.2- 0.7- 190627 C57 (0.3- 4.3+) 190701 C57 2.6- 2.8+ 190715 C57 0.8- 0.7+ 190627 C57 1.8- 0.3- 190701 C57 1.2- 0.3- 190715 C57 0.8- 0.1- 190627 C57 2.1+ 3.2- 190701 C57 1.3+ 0.1- 190715 C57 1.7+ 0.6+ 190627 C57 (0.0 4.5+) 190701 C57 0.2+ 2.1+ 190715 C57 1.6- 1.1- 190627 C57 0.3- 1.0- 190701 C57 1.9+ 1.0+ 190715 C57 3.4- 2.6- 190628 C57 0.4- 0.6+ 190701 C57 1.6+ 0.8- 190716 C57 (2.5- 5.1+) 190628 C57 (0.6- 3.9+) 190701 C57 1.1- 2.5- 190716 C57 (2.8- 4.6-) 190628 C57 (0.6- 3.7+) 190701 C57 0.3- 1.6- 190716 C57 0.5+ 2.4- 190628 C57 2.1- 0.1- 190701 C57 2.5- 1.3- 190716 C57 (2.5- 3.9-) 190628 C57 (0.4+ 4.2+) 190701 C57 1.2- 1.7- 190716 C57 0.3+ 1.4+ 190628 C57 2.0+ 0.4- 190701 C57 (0.4+ 6.9-) 190716 C57 1.2- 0.1+ 190628 C57 1.8- 1.2+ 190701 C57 1.6+ 1.2- 190716 C57 1.0+ 3.2+ 190628 C57 2.5+ 3.3+ 190701 C57 0.3+ 2.4- 190716 C57 2.1- 3.0- 190628 C57 1.4- 1.0- 190701 C57 0.0 1.0- 190716 C57 3.1- 1.0+ 190629 C57 0.2+ 1.9- 190702 C57 (3.7- 3.8-) 190716 C57 0.6+ 0.9- 190629 C57 2.8- 0.7+ 190702 C57 0.1- 1.1- 190716 C57 3.0- 0.5- 190629 C57 0.3- 2.3+ 190702 C57 1.4+ 3.1- 190716 C57 (0.3+ 4.2-) 190629 C57 1.0+ 2.5+ 190702 C57 1.7+ 0.4- 190717 C57 (1.9- 4.0+) 190629 C57 0.6- 0.9- 190702 C57 1.7+ 0.2- 190717 C57 (1.0- 5.2-) 190630 C57 (0.7+ 7.2+) 190702 C57 1.1+ 0.1+ 190717 C57 1.4- 2.7- 190630 C57 2.3- 0.3- 190702 C57 1.6- 0.5- 190717 C57 (3.9- 4.5-) 190630 C57 1.3+ 1.5+ 190702 C57 2.1- 1.1- 190719 W84 1.6+ 1.5+ 190630 C57 (2.2- 4.1-) 190702 C57 3.0- 2.4- 190809 W84 1.1+ 0.3+ 190630 C57 1.7- 2.5+ 190702 C57 3.2- 0.7- 190809 W84 1.0+ 0.3+ 190630 C57 0.0 1.6+ 190702 C57 0.9+ 2.9- 190914 W84 0.8- 0.1+ 190630 C57 1.3+ 1.1- 190702 C57 1.1- 1.2- 191209 W84 0.2- 0.7+ 190701 C57 1.4- 0.5+ 190715 C57 (0.9+ 4.2+) 191222 W84 0.0 0.4- 190701 C57 1.9- 3.4+ 190715 C57 (4.8+ 2.8+) 191222 W84 0.1- 0.4- 190701 C57 1.3+ 2.5- 190715 C57 1.7- 1.8+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2023 May 12