Nakano Note (Nakano wa Kangaeru noda) NK 4595 C/2021 Q3 (ATLAS)

The following improved orbital elements, by S. Nakano, are from 121 observations 2021 Aug. 19 to Nov. 23. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.46 arc second. See an orbit in CBET 5027. Epoch = 2022 Jan. 21.0 TT T = 2022 Jan. 26.07673 +/- 0.17666 (m.e.) TT Peri. = 114.09024 +/- 0.02123 Node = 307.90225 +/- 0.00204 (2000.0) Inc. = 77.77702 +/- 0.00024 q = 5.2046873 +/- 0.0002786 AU e = 0.9303730 +/- 0.0000278 1/a = +0.0133777 +/- 0.0000054 1/AU a = 74.75 AU P = 646.3 years origin = +0.013928 (Q= 7) future = +0.013757 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2021/ 210828 L27 0.0 0.1+ 210902 A71 1.0+ 0.0 210819 F51 0.2- 0.0 210828 K83 0.3- 0.6+ 210902 A71 0.9+ 0.0 210819 F51 0.5- 0.1- 210828 K38 0.4- 0.3- 210902 A71 1.1+ 0.2- 210826 T05 0.5+ 0.4+ 210828 K83 0.0 0.3- 210904 Z10 0.7+ 1.0+ 210826 T05 0.4- 0.7+ 210828 L27 0.1+ 0.3- 210904 Z10 0.3+ 0.1- 210826 T05 0.0 0.1- 210828 K83 0.1- 0.1+ 210904 970 0.6- 0.6- 210826 T05 1.4- 0.2- 210829 H06 0.3- 0.3- 210905 K19 0.2+ 0.6+ 210826 204 0.0 0.2- 210829 H06 0.1- 0.5- 210905 K19 0.0 0.5+ 210826 204 0.2- 0.0 210829 595 0.2+ 0.0 210906 970 1.0- 0.6+ 210826 204 0.2+ 0.1- 210829 595 0.6+ 0.7+ 210906 970 0.0 0.3+ 210826 Z31 0.4- 0.4- 210829 L01 0.0 0.1- 210907 B96 0.2- 1.7- 210826 Z31 0.5- 0.3- 210829 L01 0.3+ 0.3- 210907 B96 1.1- 1.9+ 210826 Z31 0.6- 0.2- 210829 L01 0.3- 0.4- 210908 C23 0.0 1.1- 210827 F51 0.2- 0.2- 210829 Z08 0.2- 0.0 210908 C23 0.1+ 0.7+ 210827 F51 0.1- 0.2- 210829 Z08 0.0 0.2- 210908 C23 1.6+ 0.1+ 210827 F51 0.1- 0.4- 210829 G18 0.4- 0.8+ 210917 A77 0.2- 0.0 210827 J95 0.4- 0.2- 210829 L74 0.2+ 0.8+ 210917 A77 0.1- 0.1+ 210827 J95 0.0 0.1+ 210829 G18 0.4+ 1.0+ 210917 A77 0.1- 0.2+ 210827 J95 0.2+ 0.0 210829 G40 0.7+ 0.4+ 211008 C23 0.4+ 0.4+ 210827 J95 0.0 0.1- 210829 L74 0.3- 0.4- 211008 C23 0.0 0.1- 210827 Z80 0.3+ 0.3+ 210829 G40 0.9+ 0.0 211009 A98 0.2- 0.8- 210827 Z80 0.3- 0.2- 210829 L74 0.4- 0.6+ 211009 A98 0.3+ 0.0 210828 Z80 0.0 0.1- 210830 L34 0.4+ 0.6- 211009 A98 0.7+ 0.3- 210828 V39 0.2- 0.2- 210830 A77 0.6- 0.3- 211009 A98 0.4+ 0.8- 210828 V39 0.2- 0.1- 210830 A77 0.7- 0.1- 211010 L27 0.0 0.1+ 210828 V39 0.2- 0.2- 210830 L34 0.2- 0.2- 211010 L27 0.1+ 0.1+ 210828 V39 0.2- 0.2- 210830 L34 0.3+ 0.1+ 211010 L27 0.2+ 0.3+ 210828 T08 0.2- 0.1+ 210830 A77 0.3- 0.0 211025 970 0.3- 0.6+ 210828 T08 0.3- 0.2+ 210830 J22 0.1- 0.1+ 211025 970 0.0 0.5- 210828 T08 0.7+ 0.1+ 210830 J22 0.1+ 0.3- 211027 B96 0.2+ 0.6- 210828 T08 0.1- 0.2+ 210830 J22 0.1- 0.0 211027 B96 0.9- 0.5- 210828 L27 0.9+ 1.6- 210831 104 (2.3- 2.1+) 211027 B96 (2.1+ 0.2+) 210828 L27 1.2+ 0.4+ 210831 104 0.2- 0.4- 211030 970 0.3+ 0.2+ 210828 587 0.0 0.4+ 210831 858 0.2+ 0.2- 211030 970 0.1- 0.1+ 210828 587 0.0 0.0 210831 858 0.1- 0.1- 211102 970 0.4- 0.4- 210828 587 0.0 0.3+ 210831 858 0.1- 0.2- 211102 970 0.1+ 0.1+ 210828 C77 0.1- 1.5+ 210901 215 0.0 0.1- 211104 970 0.3- 0.2- 210828 L27 0.2+ 0.0 210901 215 0.0 0.0 211104 970 0.1- 0.4+ 210828 K38 0.4+ 0.0 210901 215 0.1- 0.2+ 211123 970 0.3- 0.7+ 210828 L27 0.9+ 0.0 210901 K77 0.2- 0.4- 211123 970 0.5+ 0.3+ 210828 C77 0.1+ 0.2- 210901 K77 0.6- 0.1- 210828 K38 0.0 0.0 210901 K77 0.1- 0.1+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2022 Jan. 4

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