Nakano Note (Nakano wa Kangaeru noda) NK 5223 C/2023 H1 (PANSTARRS)
The following improved orbital elements, by S. Nakano, are from 51 observations 2023 Apr. 17 to 2024 May 27. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.36 arc second. Residuals for 2024 May observations were -0.15 deg mainly for Right Ascension from an orbit in Comet Handbook 2024. Epoch = 2024 Nov. 26.0 TT T = 2024 Nov. 28.76241 +/- 0.03501 (m.e.) TT Peri. = 333.77289 +/- 0.01062 Node = 292.64662 +/- 0.00157 (2000.0) Inc. = 21.78140 +/- 0.00013 q = 4.4474177 +/- 0.0004418 AU e = 0.9942280 +/- 0.0001523 1/a = +0.0012978 +/- 0.0000342 1/AU origin = +0.000882 (Q= 7) future = +0.001173 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2023/ 230422 X03 0.7- 0.1- 240506 W68 0.2+ 0.2- 230417 F52 0.2+ 0.1+ 230429 T12 0.0 0.1- 240510 W68 0.0 0.0 230417 F52 0.3- 0.0 230429 T12 0.1+ 0.1+ 240510 W68 0.1- 0.5- 230417 F52 0.0 0.2+ 230429 T12 0.1+ 0.1+ 240510 W68 0.0 0.1+ 230417 F52 0.1- 0.3+ 230429 T12 0.4+ 0.2- 240510 W68 1.0- 0.2+ 230418 I52 0.2- 0.4- 230506 695 0.2+ 0.1- 240515 M22 0.7+ 0.2- 230418 I52 0.3- 0.1+ 230506 695 0.1+ 0.6- 240515 M22 1.5- 0.2+ 230418 I52 0.0 0.2- 230506 695 0.2+ 0.1- 240515 M22 0.4- 0.1- 230418 I52 0.2+ 0.6- 230516 X03 0.2+ 0.1+ 240515 M22 0.5+ 0.1+ 230418 X07 0.1- 0.2+ 230516 X03 0.3- 0.1- 240527 W68 0.3+ 0.4- 230418 X07 0.0 0.3+ 230516 X03 0.2- 0.1- 240527 W68 0.3- 0.4+ 230420 J04 0.3+ 0.2+ 230516 F51 0.3+ 0.4+ 240527 W68 0.6+ 0.1+ 230420 J04 0.1- 0.1+ 230516 F51 0.2+ 0.1- 240527 W68 0.4+ 0.3+ 230421 T14 0.1+ 0.1+ 230516 F51 0.2+ 0.1+ 240527 M22 0.0 0.5- 230421 T14 0.0 0.1+ 2024/ 240527 M22 1.3- 0.6+ 230421 T14 0.0 0.1+ 240506 W68 0.4+ 0.6- 240527 M22 0.3+ 0.3- 230422 X03 0.1- 0.2+ 240506 W68 0.9+ 0.1+ 240527 M22 0.5+ 0.1- 230422 X03 0.2- 0.3+ 240506 W68 0.1- 0.7+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2024 May 30