Nakano Note (Nakano wa Kangaeru noda) NK 5390 P/2024 X1 (Fazekas)
The following improved orbital elements, by S. Nakano, are from 88 observations 2024 Sept. 5 to 2025 Feb. 3. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.42 arc second. The comet has passed 0.70 AU from Jupiter on 2024 Apr. 15 UT. See an orbit in CBET 5480. Epoch = 2025 July 24.0 TT T = 2025 Aug. 3.50461 +/- 0.07637 (m.e.) TT Peri. = 124.38046 +/- 0.01652 Node = 351.98149 +/- 0.00248 (2000.0) Inc. = 6.46507 +/- 0.00003 q = 3.8164761 +/- 0.0002595 AU e = 0.5965394 +/- 0.0001383 a = 9.4593515 +/- 0.0033062 AU n' = 0.03387755 +/- 0.00001776 P = 29.093 +/- 0.0152529 years (+/- 5.57 days) The predicted orbit for the 2053 return is as follows: T = 2053 Nov. 12.92060 TT Epoch = 2053 Oct. 25.0 TT Peri. = 124.13905 e = 0.5895582 Node = 351.78923 (2000.0) a = 9.2527060 AU Inc. = 6.48080 n'= 0.03501877 q = 3.7976971 AU P = 28.145 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2024/ 241215 Z84 0.2+ 0.2+ 2025/ 240905 G96 0.3+ 0.1+ 241218 I52 0.6- 1.2- 250102 Y71 0.1- 0.1- 240905 G96 0.3+ 0.1- 241218 I52 0.1- 0.5- 250102 Y71 0.2- 0.2+ 240905 G96 0.2+ 0.1- 241218 I52 0.1+ 0.2- 250102 Y71 0.2- 0.0 240913 G96 0.4- 0.2- 241218 I52 0.4+ 0.5- 250105 F52 0.1- 0.0 240913 G96 0.5+ 0.3- 241218 M45 0.1- 1.1- 250105 F52 0.1- 0.1+ 240913 G96 0.0 0.2- 241218 M45 0.1- 0.7- 250105 F52 0.0 0.0 240913 G96 0.5- 0.0 241218 M45 0.2+ 0.7- 250105 F52 0.0 0.0 241211 G96 0.1+ 0.2- 241219 185 0.4+ 0.1+ 250106 D29 0.5+ 0.1- 241211 G96 0.1+ 0.2+ 241219 185 0.2+ 0.1+ 250106 D29 0.9- 0.5- 241211 G96 0.1+ 0.1- 241219 185 0.2- 0.2+ 250106 D29 0.4- 0.2- 241211 G96 0.2- 0.4- 241219 I52 0.3- 0.3+ 250106 Y71 0.1- 0.3- 241211 G96 0.0 0.0 241219 I52 0.1- 0.3- 250106 Y71 0.4+ 0.5- 241211 G96 0.3+ 0.1+ 241219 I52 0.1+ 0.0 250106 Y71 0.3+ 0.3+ 241211 G96 0.0 0.3+ 241219 I52 0.1- 0.1+ 250107 G96 0.3- 0.1+ 241211 I52 0.3- 0.7+ 241219 F51 0.0 0.0 250107 G96 0.0 0.3+ 241211 I52 0.1- 0.4+ 241219 F51 0.0 0.2- 250107 G96 0.1- 0.1+ 241211 I52 0.0 0.2+ 241219 F51 0.2+ 0.1- 250107 G96 0.2- 0.3+ 241211 I52 0.3- 0.6+ 241221 M38 0.9+ 0.4+ 250118 D29 0.2- 0.1- 241211 587 0.9- 0.6- 241221 M38 0.0 0.7- 250118 D29 0.2- 0.6- 241211 587 0.0 0.4+ 241223 Z10 0.0 0.1- 250118 D29 0.1- 0.1- 241211 587 0.0 0.2+ 241223 Z10 0.2- 0.3+ 250118 K77 0.5- 0.2- 241212 587 0.6- 0.7+ 241227 A71 (1.2+ 2.4+) 250118 K77 1.6- 0.6+ 241212 587 0.3- 0.6+ 241227 A71 1.0+ 0.3+ 250125 Q11 0.6+ 0.0 241212 595 0.4- 0.1+ 241228 215 0.3+ 0.6- 250125 Q11 0.7+ 0.0 241212 595 0.5- 0.2- 241228 215 0.0 0.7- 250125 Q11 0.7+ 0.1+ 241212 595 0.9- 0.6+ 241228 215 0.0 1.0- 250203 X03 0.3+ 0.3- 241213 595 0.6+ 0.3+ 241230 G96 0.2+ 0.3+ 250203 X03 0.4+ 0.3- 241213 595 0.0 1.4+ 241230 G96 0.3+ 0.1- 250203 X03 0.5+ 0.3- 241213 595 0.4- 1.7+ 241230 G96 0.2+ 0.1+ 241215 Z84 0.1+ 0.1- 241230 G96 0.0 0.0 ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2025 Mar. 2