Nakano Note (Nakano wa Kangaeru noda) NK 5435 353P/McNaught = 2025 Observations (P22afM6 = C14V615 = P12bkfI)
The following improved orbital elements, by T. Kobayashi, are from 121 observations 2008 to 2025, who found the following observations. 0353P C2025 05 26.43648817 21 33.094+06 13 26.90 P22afM6 21.8 w F52 0353P C2025 05 26.44355717 21 32.767+06 13 27.26 P22afM6 21.8 w F52 0353P C2025 05 26.45069817 21 32.466+06 13 27.37 P22afM6 21.8 w F52 0353P C2025 06 29.32157616 55 37.909+04 35 15.36 C14V615 22.3 G V00 0353P C2025 06 29.32715616 55 37.675+04 35 13.16 C14V615 22.4 G V00 0353P C2025 06 29.33274416 55 37.412+04 35 11.26 C14V615 21.7 G V00 0353P C2025 06 29.33832716 55 37.200+04 35 09.42 C14V615 21.6 G V00 0353P C2025 06 30.38742716 54 52.615+04 28 41.86 P12bkfI 21.8 w F51 0353P C2025 06 30.39768116 54 52.161+04 28 38.07 P12bkfI 21.7 w F51 0353P C2025 06 30.40786316 54 51.733+04 28 34.34 P12bkfI 21.9 w F51 0353P C2025 06 30.41797516 54 51.291+04 28 30.77 P12bkfI 21.7 w F51 Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.45 arc second. See the previous orbits in NK 2739 and NK 3375. Epoch = 2026 July 19.0 TT T = 2026 July 1.39914 +/- 0.00021 (m.e.) TT Peri. = 230.52502 +/- 0.00005 Node = 121.45669 +/- 0.00002 (2000.0) Inc. = 28.41017 +/- 0.00001 q = 2.2117900 +/- 0.0000009 AU e = 0.4695276 +/- 0.0000002 a = 4.1694726 +/- 0.0000023 AU n' = 0.11576636 +/- 0.00000010 P = 8.514 +/- 0.0000070 years T = 2009 June 23.63930 TT Epoch = 2009 June 18.0 TT Peri. = 230.37495 e = 0.4704948 Node = 121.61336 (2000.0) a = 4.1616964 AU Inc. = 28.44912 n'= 0.11609098 q = 2.2036397 AU P = 8.490 years T = 2017 Dec. 20.94534 TT Epoch = 2018 Jan. 2.0 TT Peri. = 230.39317 e = 0.4691750 Node = 121.57365 (2000.0) a = 4.1708821 AU Inc. = 28.41392 n'= 0.11570768 q = 2.2140083 AU P = 8.518 years The predicted orbit for the 2034 return is as follows: T = 2034 Dec. 29.20597 TT Epoch = 2034 Dec. 24.0 TT Peri. = 230.50926 e = 0.4703715 Node = 121.47356 (2000.0) a = 4.1646459 AU Inc. = 28.41087 n'= 0.11596768 q = 2.2057152 AU P = 8.499 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2008/ 090928 204 0.3- 0.1+ 170629 291 0.0 0.1- 080530 G96 0.1+ 0.5+ 090928 204 0.1+ 0.4- 170629 291 0.4+ 0.4+ 080530 G96 0.1+ 0.1+ 090929 585 0.7- 0.5+ 170629 291 0.2- 0.4+ 080530 G96 0.6+ 0.4+ 090929 585 0.2- 0.3- 170701 291 0.4+ 0.4- 080530 G96 0.5+ 0.1+ 091010 474 0.4+ 0.2+ 170701 291 0.2- 0.1+ 2009/ 091010 474 0.5+ 0.1+ 170701 291 0.3- 0.3+ 090803 E12 0.2- 0.0 091010 474 0.3+ 0.1- 170717 215 0.0 0.1+ 090803 E12 0.4+ 0.2+ 091010 349 0.3+ 0.2+ 170717 215 0.1- 0.3- 090803 E12 (2.1- 0.2-) 091010 349 0.8- 0.5- 170717 215 0.0 0.1- 090803 E12 0.2+ 0.2- 091012 474 0.4+ 0.0 170724 T08 0.3+ 0.3- 090920 E12 0.6+ 0.1- 091012 474 (1.0+ 1.6+) 170724 T08 (1.1- 1.8-) 090920 E12 0.3- 0.6- 091012 474 1.1+ 0.3+ 170724 T08 0.0 0.0 090920 E12 0.2+ 0.1- 091018 E12 0.2+ 0.2- 170724 T08 0.1+ 1.3- 090920 E12 0.5+ 0.2- 091020 349 0.6+ 1.1+ 170724 T08 0.6- 0.1+ 090920 E12 0.0 0.0 091020 349 1.1+ 1.4+ 170724 T08 0.6- 0.4- 090920 E12 0.3- 0.5- 091111 E12 0.4- 0.9+ 170728 A71 0.6+ 0.2- 090920 E12 1.0- 0.2- 091111 E12 0.3- 1.1+ 170728 A71 0.9- 0.6+ 090921 E12 0.2+ 0.3- 091111 E12 0.5+ 0.3+ 170801 F51 0.1+ 0.0 090921 E12 0.8- 0.5- 2010/ 170801 F51 0.0 0.0 090923 E12 0.4- 0.2+ 100125 C51 0.6+ 1.3+ 170801 F51 0.0 0.1+ 090923 E12 0.2- 0.3- 100125 C51 0.8- 0.0 170801 F51 0.0 0.0 090923 E12 0.0 0.2- 100126 C51 0.4+ 0.7+ 170815 F51 0.0 0.0 090924 I21 0.4+ 0.2- 100126 C51 0.4+ 0.1- 170815 F51 0.0 0.1- 090924 I21 (1.9+ 0.8-) 100126 C51 0.6+ 0.8- 170815 F51 0.0 0.0 090924 H06 0.3+ 0.0 100126 C51 (0.3+ 2.1+) 170815 F51 0.1+ 0.0 090924 H06 0.2- 0.2- 100126 C51 0.7- 0.1- 170815 F51 0.0 0.0 090924 H06 1.3- 0.2- 100126 C51 0.0 0.3+ 170815 F51 0.1+ 0.0 090924 854 0.6+ 0.1- 100126 C51 0.8+ 0.8- 170815 F51 0.0 0.0 090924 854 0.1+ 0.1- 100126 C51 1.3+ 0.4+ 2018/ 090924 854 1.4- 0.4+ 100126 C51 0.8- 1.4+ 180104 Q62 0.2+ 0.1+ 090924 H01 0.3+ 0.0 2017/ 180104 Q62 0.3+ 0.2+ 090924 H01 0.5+ 0.5- 170619 461 0.1+ 0.7+ 180104 Q62 0.8+ 0.5+ 090924 H01 0.4+ 0.6- 170619 461 0.3+ 0.5+ 2025/ 090924 H01 0.5+ 0.4- 170620 461 0.4+ 0.5- 250526 F52 0.2+ 0.0 090924 E12 0.1- 0.3- 170620 461 0.1- 0.2+ 250526 F52 0.2- 0.2+ 090924 E12 0.1+ 0.2- 170625 F51 0.2+ 0.2+ 250526 F52 0.1- 0.2+ 090924 E12 0.1+ 0.5- 170625 F51 0.2+ 0.2+ 250629 V00 0.2- 0.2+ 090924 E12 0.1+ 0.3- 170625 F51 0.0 0.2+ 250629 V00 0.1+ 0.1+ 090924 D21 1.0- 0.0 170625 F51 0.0 0.2+ 250629 V00 0.2- 0.2+ 090924 D21 0.3- 0.4+ 170626 Q62 0.5- 0.6- 250629 V00 0.4+ 0.5+ 090924 D21 0.7- 0.0 170626 Q62 0.5- 0.7- 250630 F51 0.0 0.0 090925 H06 0.8- 0.8+ 170628 291 0.2+ 0.2+ 250630 F51 0.1- 0.0 090925 H06 0.9- 0.0 170628 291 0.0 0.1+ 250630 F51 0.1+ 0.1+ 090925 H06 0.7- 0.1+ 170628 291 0.0 0.2+ 250630 F51 0.1+ 0.3+ ( ) -------- Rejected Obs.
Associate of the CBAT Late edition Syuichi Nakano 2025 Sept. 2