Nakano Note (Nakano wa Kangaeru noda) NK 4206 C/2020 K1 (PANSTARRS)
The following improved orbital elements, by S. Nakano, are from 147 observations 2020 Apr. 17 to Sept. 5. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.35 arc second. The comet will pass 5.23 AU from Uranus on 2032 July 19 UT. See the previous orbit in CBET 4779. Epoch = 2023 May 16.0 TT T = 2023 May 9.09132 +/- 0.04750 (m.e.) TT Peri. = 213.98571 +/- 0.00202 Node = 94.35577 +/- 0.00097 (2000.0) Inc. = 89.67070 +/- 0.00025 q = 3.0732646 +/- 0.0000577 AU e = 0.9999749 +/- 0.0000622 1/a = +0.0000082 +/- 0.0000202 1/AU origin = +0.000352 (Q= 7) future = +0.000899 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2020/ 200519 H06 0.4- 0.0 200626 T08 0.4+ 0.2- 200417 F52 0.1- 0.1- 200519 H06 0.1- 0.2+ 200627 A71 0.1+ 0.4- 200417 F52 0.0 0.0 200519 H06 0.1+ 0.1+ 200627 A71 0.1+ 0.8+ 200417 F52 0.1- 0.0 200519 568 0.0 0.1- 200628 F51 0.1- 0.0 200417 F52 0.0 0.1- 200519 568 0.0 0.1- 200628 F51 0.1- 0.0 200427 F52 0.1- 0.1- 200519 568 0.0 0.1- 200628 F51 0.1+ 0.1+ 200427 F52 0.1- 0.1- 200519 204 0.2+ 0.0 200628 F51 0.1- 0.0 200427 F52 0.1+ 0.1+ 200519 B96 0.5+ 0.1+ 200701 F51 0.0 0.0 200427 F52 0.0 0.1- 200519 B96 0.5- 0.1+ 200701 F51 0.2+ 0.0 200506 F52 0.2+ 0.0 200519 B96 0.8- 0.7- 200701 F51 0.1- 0.1- 200506 F52 0.1+ 0.1+ 200519 204 0.1+ 0.2- 200710 F51 0.0 0.1- 200506 F52 0.2- 0.1+ 200519 B96 0.2- 0.8- 200710 F51 0.0 0.2- 200506 F52 0.0 0.2- 200520 204 0.3- 0.2- 200710 F51 0.4+ 0.1- 200517 F52 0.1+ 0.0 200520 204 0.2+ 0.0 200713 G96 0.4+ 0.0 200517 F52 0.1+ 0.0 200520 F52 0.1+ 0.0 200713 G96 0.3+ 0.2+ 200517 F52 0.1+ 0.0 200520 F52 0.0 0.0 200713 G96 0.3- 0.4- 200517 F52 0.2+ 0.0 200520 F52 0.2+ 0.1+ 200713 G96 0.5- 0.3- 200517 A17 0.1+ 0.1- 200520 F52 0.0 0.0 200724 T08 0.5+ 0.8+ 200517 246 0.1+ 0.3+ 200520 F52 0.3+ 0.0 200724 T08 0.6+ 0.5+ 200517 A17 0.1- 0.5- 200520 L06 0.5+ 0.1- 200724 T08 0.3+ 0.1+ 200517 246 0.3- 0.1+ 200520 L06 0.9- 0.4- 200724 T08 0.2+ 1.0+ 200517 246 0.3- 0.1+ 200520 587 0.7- 0.1+ 200724 T08 1.3+ 0.3- 200517 246 0.2+ 0.4+ 200520 587 0.6- 0.3+ 200724 T08 0.4+ 0.8+ 200517 246 0.2+ 0.0 200520 587 0.4- 0.0 200726 G96 0.2+ 0.2+ 200517 246 0.1- 0.2- 200521 C10 0.2- 0.2+ 200726 G96 0.0 0.1+ 200517 246 0.4- 0.2+ 200521 C10 0.1- 0.5+ 200726 G96 0.1- 0.1- 200517 A17 0.3+ 0.1- 200521 C10 0.5- 0.6+ 200726 G96 0.1+ 0.6- 200518 I93 0.1+ 0.5+ 200521 118 0.2- 0.0 200729 K77 0.8+ 0.4+ 200518 I93 0.0 0.5+ 200521 118 0.0 0.1- 200729 K77 0.4- 0.3+ 200518 I93 0.3- 0.3+ 200522 461 0.1+ 0.0 200730 F51 0.1- 0.0 200518 L01 0.2+ 0.1+ 200522 461 0.4- 0.3+ 200730 F51 0.1- 0.2- 200518 L01 0.6+ 0.1- 200522 118 0.1+ 0.2- 200730 F51 0.3- 0.0 200518 I52 0.2+ 0.5+ 200522 461 0.4- 0.1- 200730 F51 0.0 0.1- 200518 I52 0.2- 0.1+ 200526 215 0.1- 0.4+ 200807 G96 0.2+ 0.3+ 200518 I52 0.3- 0.2- 200526 215 0.0 0.5+ 200807 G96 0.0 0.1+ 200518 I52 0.2+ 0.0 200526 215 0.2+ 0.5+ 200807 G96 0.1+ 0.2+ 200518 F65 0.5- 0.2+ 200527 118 0.3+ 0.1+ 200807 G96 0.3+ 0.2+ 200518 F65 0.8- 0.2- 200527 118 0.4+ 0.1- 200813 568 0.2- 0.2- 200518 F65 0.2- 0.6+ 200603 F51 0.1- 0.1+ 200813 568 0.2- 0.2- 200518 F65 0.1- 0.6+ 200603 F51 0.0 0.1+ 200817 T08 0.7+ 0.9+ 200518 246 0.9- 0.7+ 200603 F51 0.1- 0.0 200817 T08 0.6- 0.5+ 200518 246 0.3- 0.1+ 200606 F51 0.1- 0.0 200817 T08 0.1+ 0.8+ 200518 246 0.6- 0.5+ 200606 F51 0.1- 0.4- 200817 T08 0.1- 0.0 200518 246 0.2- 0.2+ 200614 F52 0.2- 0.2- 200817 T08 0.6+ 1.2+ 200519 K87 0.3+ 0.7+ 200614 F52 0.2+ 0.1+ 200820 K77 1.0+ 0.6+ 200519 K87 0.8+ 0.4+ 200614 F52 0.1+ 0.1+ 200820 K77 0.9+ 0.1- 200519 K87 0.6+ 0.1+ 200614 F52 0.0 0.0 200905 L27 0.4- 0.0 200519 L01 0.3+ 0.3+ 200626 T08 0.6- 0.4- 200905 L27 0.2+ 0.7+ 200519 L01 0.0 0.3+ 200626 T08 0.7+ 0.9- 200905 L27 (1.9+ 2.2+) 200519 L01 0.2- 0.2+ 200626 T08 0.2+ 0.1+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2020 Sept. 7