Nakano Note (Nakano wa Kangaeru noda) NK 3759 P/2017 W3 (Gibbs)

The following improved orbital elements, by S. Nakano, are from 135 observations 2017 Nov. 27 to 2018 June 13. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.64 arc second. See the previus orbit in NK 3576 and NK 3592. Epoch = 2018 Feb. 11.0 TT T = 2018 Feb. 25.02142 +/- 0.02895 (m.e.) TT Peri. = 326.45289 +/- 0.00469 Node = 210.75344 +/- 0.00018 (2000.0) Inc. = 18.31676 +/- 0.00009 q = 3.8372640 +/- 0.0000175 AU e = 0.5038904 +/- 0.0000087 a = 7.7347108 +/- 0.0001400 AU n' = 0.04581819 +/- 0.00000125 P = 21.511 +/- 0.0005840 years (+/- 0.21 day) The predicted orbit for the 2040 return is as follows: T = 2040 Jan. 4.70141 TT Epoch = 2040 Jan. 7.0 TT Peri. = 327.20749 e = 0.5139315 Node = 209.35423 (2000.0) a = 7.9922961 AU Inc. = 18.15061 n'= 0.04362111 q = 3.8848032 AU P = 22.595 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2017/ 171215 J22 1.0+ 1.9- 180313 Q11 1.0+ 0.0 171127 703 0.5- 0.5+ 171215 J22 (3.4+ 1.3-) 180313 Q11 0.1+ 0.4- 171127 703 0.4- 0.6+ 171215 I52 0.4- 0.0 180313 Q11 0.1+ 0.7- 171127 703 0.2+ 0.7+ 171215 I52 0.7- 0.0 180317 D95 0.4+ 0.4- 171127 703 0.7- 1.1+ 171216 I52 0.9- 1.4+ 180317 D95 0.8- 0.2+ 171128 I52 0.5- 1.1+ 171216 I52 0.1+ 0.6+ 180317 D95 0.7- 0.4+ 171128 I52 0.6+ 1.0+ 171216 I52 0.0 0.3+ 180319 T08 0.7- 0.5+ 171128 I52 0.5+ 0.3- 171219 691 0.3- 0.6+ 180319 T08 0.7- 0.5- 171128 I52 0.7- 0.3+ 171219 691 0.2- 0.5+ 180319 T08 0.6- 0.2+ 171128 I52 0.1- 0.3+ 171219 691 0.6- 1.0+ 180319 T08 0.7- 0.0 171128 I52 0.2+ 0.2+ 171220 Q11 0.1- 0.1- 180319 T08 0.6- 0.6+ 171128 I52 0.2- 0.2- 171220 Q11 0.3- 0.1- 180319 T08 0.7+ 0.1+ 171128 I52 0.1- 0.1+ 171221 Q11 0.4- 1.1+ 180319 T08 0.0 0.7- 171128 I52 0.2+ 0.0 171221 Q11 0.4- 1.1+ 180319 T08 (1.1+ 2.4+) 171128 I52 0.2+ 0.2- 171222 G96 1.2- 1.1+ 180320 W96 0.4+ 0.2- 171128 I52 0.3+ 0.4- 171222 G96 0.9- 0.9+ 180320 W96 0.3- 0.0 171128 I52 0.8+ 0.7- 171222 G96 0.6- 0.7+ 180320 W96 0.1+ 0.3- 171129 U69 0.7- 0.6+ 171222 G96 0.8- 0.7+ 180321 A71 1.1+ 0.3+ 171129 U69 0.5- 0.3+ 171229 349 (2.1+ 1.3+) 180321 A71 0.8+ 0.4+ 171130 A77 0.3- 1.3+ 171229 349 1.4+ 0.7+ 180321 A71 0.8+ 0.7+ 171130 A77 (0.8- 2.8+) 171230 F51 0.1+ 0.2- 180321 A71 1.6+ 0.4- 171130 A77 (0.4- 2.2+) 171230 F51 0.1+ 0.4- 180408 K77 0.9+ 0.3- 171130 U69 1.0+ 0.1- 171230 F51 0.2+ 0.1- 180408 K77 0.7+ 0.8- 171130 U69 0.4+ 0.1- 171230 F51 0.0 0.3- 180416 G96 0.1+ 0.1- 171201 W87 1.4+ 0.8- 171231 F51 0.1+ 0.6- 180416 G96 0.0 0.4+ 171201 W87 1.2+ 0.8- 171231 F51 0.2+ 0.2- 180416 G96 0.0 0.0 171201 W87 1.3+ 0.7- 171231 F51 0.2+ 0.4- 180419 Q11 0.6+ 0.2- 171201 W87 1.3+ 0.5- 2018/ 180419 Q11 0.6+ 0.2- 171202 Z21 0.5+ 0.1- 180110 F51 0.0 0.2- 180419 Q11 0.5+ 0.3- 171202 Z21 0.1+ 0.4+ 180110 F51 0.1+ 0.2- 180419 Q11 0.7+ 0.3- 171202 Z21 0.7+ 0.6+ 180110 F51 0.1- 0.2- 180503 E85 1.2- 0.5+ 171206 G40 0.6- 1.2+ 180110 F51 0.0 0.1- 180503 E85 1.0- 0.3- 171206 G40 0.5- 0.0 180115 215 0.6- 0.4+ 180503 E85 0.3- 1.1- 171207 G96 0.0 0.2+ 180115 215 0.9- 0.6+ 180503 E85 1.4+ 0.6- 171207 G96 0.3+ 0.2- 180115 215 0.8- 0.6+ 180508 D29 0.3- 0.4+ 171207 G96 0.2+ 0.2+ 180115 Q11 1.1- 1.3+ 180508 D29 0.0 0.5+ 171207 G96 0.7+ 0.2- 180115 Q11 1.3- 1.2+ 180508 D29 0.2+ 0.3+ 171208 926 0.0 0.5+ 180123 372 1.6- 1.6+ 180510 Q11 0.0 0.6+ 171208 926 0.0 0.7+ 180123 372 1.7- 1.1+ 180510 Q11 0.1+ 0.4+ 171208 926 0.4- 0.1- 180127 349 1.1+ 0.6- 180514 T08 0.1- 0.9+ 171213 I52 1.2- 0.4+ 180127 349 1.8+ 0.4- 180514 T08 0.0 1.0+ 171213 I52 0.2- 0.8+ 180211 Q62 0.4- 0.0 180514 T08 (3.0+ 1.0-) 171213 I52 0.6- 1.1+ 180211 Q62 0.8- 0.4+ 180514 T08 (0.5+ 2.2+) 171213 I52 0.4- 0.6+ 180213 Q11 0.5- 0.7+ 180613 T05 0.5- 0.1- 171214 I52 0.2- 0.4+ 180213 Q11 0.3- 0.5+ 180613 T05 0.8- 0.3+ 171214 I52 0.3- 0.2+ 180213 Q11 0.4- 0.4+ 180613 T05 0.4- 0.0 171214 I52 0.5- 0.6+ 180222 D29 0.4- 0.3+ 180613 T05 0.2- 0.4- 171214 I52 0.1- 0.8+ 180222 D29 0.1+ 0.3+ 171215 J22 (3.3- 0.8-) 180222 D29 0.0 0.4+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2018 Dec. 7

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