Nakano Note (Nakano wa Kangaeru noda) NK 3954 C/2018 R3 (Lemmon)

The following improved orbital elements, by S. Nakano, are from 248 observations 2018 Aug. 8 to 2019 Nov. 7. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.67 arc second. Residuals on 2019 Nov. observations were -3" for Right Ascension and +5" for Declination from an orbit in NK 3855. See the previous orbits in NK 3822 and NK 3855. Epoch = 2019 June 6.0 TT T = 2019 June 7.19879 +/- 0.00011 (m.e.) TT Peri. = 112.87684 +/- 0.00009 Node = 324.62532 +/- 0.00002 (2000.0) Inc. = 69.71523 +/- 0.00004 q = 1.2905910 +/- 0.0000013 AU e = 0.9993428 +/- 0.0000033 1/a = +0.0005092 +/- 0.0000026 1/AU origin = +0.000611 (Q= 8) future = +0.000682 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2018/ 181007 Q11 0.9+ 0.7+ 190524 A71 1.3- 0.1+ 180808 F51 0.5+ 0.2- 181008 461 1.3- 0.4+ 190526 349 1.2- 0.2+ 180808 F51 0.2+ 0.5- 181008 461 0.8- 0.7+ 190526 349 0.9- 0.0 180808 F51 0.3+ 0.2- 181009 585 (2.1+ 1.4-) 190526 349 0.8- 0.2- 180808 F51 0.3+ 0.2- 181009 585 (2.2+ 1.2-) 190527 186 1.8- 0.8+ 180813 F51 0.2+ 0.2- 181009 585 1.9+ 0.8- 190527 186 1.9- 1.0+ 180907 G96 0.3- 0.4- 181009 585 (1.9+ 2.2-) 190527 186 1.7- 0.8+ 180907 G96 0.0 0.3+ 181009 585 0.1+ 0.8- 190527 186 1.6- 0.8+ 180907 G96 0.2+ 0.1- 181010 J22 1.3+ 0.7- 190530 A77 0.4+ 0.6- 180907 G96 0.3+ 0.2- 181010 J22 0.9+ 0.8- 190530 A77 0.4+ 0.5- 180907 G96 1.2+ 0.1- 181010 J22 0.9+ 0.6- 190530 A77 0.3+ 0.5- 180907 G96 0.3- 0.0 181103 F52 0.9- 0.5+ 190530 G40 0.2- 0.1- 180907 G96 0.5- 0.7- 181103 F52 0.7- 0.3+ 190530 G40 0.2+ 0.9- 180907 474 0.3- 0.0 181103 F52 0.4- 0.6+ 190530 A71 1.0- 0.2+ 180907 474 0.1+ 0.2- 181103 F52 0.8- 0.1+ 190530 A71 1.0- 0.5+ 180907 474 0.1- 0.1- 181111 Q11 0.3- 0.1+ 190530 A71 0.4- 0.6+ 180907 474 0.0 0.1- 181111 Q11 0.1- 0.0 190530 A71 0.5- 0.4+ 180908 I52 0.2+ 0.2- 2019/ 190530 C36 0.5+ 1.1+ 180908 I52 0.8+ 0.5- 190330 213 0.2- 0.3+ 190530 C36 1.0+ 0.4- 180908 I52 0.1- 0.6+ 190330 213 0.2- 0.7+ 190530 C36 0.7+ 0.5- 180908 I52 0.3- 0.1+ 190330 213 0.5+ 0.6+ 190530 C36 (2.0+ 0.1-) 180908 474 0.2- 0.1- 190403 H06 0.9+ 0.7+ 190530 C36 1.4+ 0.2+ 180908 474 0.0 0.1- 190403 H06 0.6+ 0.2+ 190530 C36 (2.5+ 0.6-) 180908 474 0.5- 0.0 190406 D95 0.6+ 0.1+ 190530 C36 (2.5+ 0.4-) 180908 Q62 0.2- 0.2- 190406 D95 1.4+ 1.2- 190530 C36 (3.1+ 0.3+) 180908 Q62 0.3- 0.1+ 190407 K77 (3.3+ 3.6-) 190531 A98 0.9+ 0.0 180908 Q62 0.4- 0.0 190407 K77 0.3+ 1.7+ 190531 A98 0.4+ 0.1+ 180908 L01 0.2- 0.6+ 190409 H06 0.7+ 0.1+ 190531 A98 0.6+ 0.4- 180908 L01 0.3- 0.1- 190409 H06 0.3+ 0.2- 190531 A98 0.4+ 0.7+ 180909 I52 0.0 0.0 190411 G40 0.3+ 0.5- 190531 A98 0.1- 0.7- 180909 I52 0.1+ 0.0 190411 G40 0.3+ 0.2- 190531 A98 0.0 0.5- 180909 I52 0.2- 0.4+ 190412 D95 0.5- 0.1- 190531 A98 0.9+ 0.0 180909 I52 0.3- 0.7- 190412 D95 0.4- 0.3- 190531 A98 0.6+ 0.5- 180910 I52 0.4+ 0.7- 190412 D95 0.7- 0.2- 190531 A98 0.2+ 0.0 180910 I52 0.3- 0.0 190412 349 0.8- 0.1- 190531 A98 0.4+ 0.0 180910 I52 0.4- 0.4+ 190412 349 0.5- 0.4+ 190531 A98 0.2- 0.2- 180910 L27 0.5+ 0.5- 190413 I81 0.2+ 0.3- 190531 A98 0.8+ 0.4+ 180910 L27 0.4+ 0.3- 190413 I81 0.3+ 0.3- 190531 A98 0.9+ 0.0 180910 L27 0.4+ 0.0 190413 I81 0.2+ 0.8- 190602 A77 0.1+ 1.0- 180910 G40 0.1- 0.7+ 190421 C10 0.9- 0.1- 190602 A77 0.5+ 0.7- 180910 G40 0.1- 0.7+ 190421 C10 0.8- 0.1- 190602 A77 0.5- 0.1- 180911 I52 0.1+ 0.5- 190501 H06 0.6- 0.9- 190603 349 0.2- 0.3+ 180911 I52 0.2+ 0.9- 190501 H06 0.6- 0.8- 190603 349 0.8- 0.6+ 180911 I52 0.5- 0.0 190501 H06 0.3- 0.8- 190604 A71 1.0- 0.2+ 180911 I52 0.3- 0.1- 190502 367 0.9- 0.2- 190604 A71 0.3- 0.5+ 180911 595 0.1- 0.3+ 190502 367 0.1- 0.7- 190605 A71 0.4- 0.1- 180911 595 0.7+ 0.1- 190503 349 1.1- 1.1- 190606 970 0.7- 0.3- 180911 104 1.2- 0.3- 190503 349 1.6- 1.4- 190606 970 0.7- 0.0 180911 104 0.4+ 0.3+ 190504 G40 0.3- 1.2- 190606 A98 0.2+ 0.1- 180912 A71 0.7- 0.1+ 190504 G40 0.6+ 1.4- 190606 A98 0.6+ 0.6- 180912 A71 0.5+ 0.2+ 190504 G40 0.0 1.0- 190606 A98 0.7+ 0.1+ 180912 A71 0.2- 0.2- 190504 G40 0.3- 1.0- 190606 A98 0.9+ 0.4- 180913 926 0.1- 0.2+ 190513 C36 (2.5+ 0.4+) 190606 A98 0.7+ 0.4- 180913 926 0.4+ 0.7+ 190513 C36 1.6+ 0.4- 190606 A98 0.8+ 0.1- 180913 926 0.4- 0.9+ 190513 C36 (2.2+ 0.7+) 190606 A98 0.6+ 0.1- 180913 926 0.9+ 0.7+ 190513 C36 1.9+ 0.7+ 190606 A98 0.0 0.9- 180913 926 0.6+ 0.1+ 190513 C36 1.3+ 0.1+ 190608 970 0.8- 0.1+ 180913 926 0.7- 0.4+ 190513 C36 (2.3+ 0.6+) 190608 970 0.9- 0.3+ 180913 I52 0.2- 0.2+ 190513 C36 1.6+ 0.1+ 190608 K02 0.1+ 0.3- 180913 I52 0.2- 0.1+ 190515 Z80 1.1- 0.1- 190608 K02 0.1- 1.2- 180913 I52 0.4- 0.2+ 190515 Z80 0.9- 0.2+ 190608 K02 0.0 0.2- 180913 I52 0.4+ 0.3- 190515 Z80 1.9- 0.2- 190610 A98 1.0+ 0.4- 180913 C95 0.3+ 0.7- 190515 Z80 0.4+ 0.1- 190610 A98 1.6+ 0.5- 180913 K63 (2.3+ 0.1-) 190515 Z80 1.3- 0.3+ 190610 A98 1.5+ 0.9- 180913 K63 1.3+ 0.6+ 190515 Z80 0.3- 0.7- 190610 A98 1.7+ 0.3- 180913 K63 1.0+ 1.8+ 190515 Z80 0.8- 0.1- 190610 A98 1.5+ 0.3+ 180913 C95 1.5+ 0.5- 190515 Z80 0.5- 0.3- 190610 A98 (2.2+ 0.7-) 180915 711 0.2- 0.5- 190515 Z80 1.8- 0.1- 190610 A98 0.9+ 0.4- 180915 711 0.6- 0.5- 190515 Z80 1.2- 0.0 190610 A98 1.6+ 0.5- 180915 711 0.9- 0.5- 190516 A77 (2.2- 2.2+) 190610 A98 0.7+ 0.1+ 180915 I52 0.1+ 0.4+ 190516 A77 1.1+ 0.6- 190610 A98 (2.0+ 0.4-) 180915 I52 0.7+ 0.5+ 190516 A77 0.9+ 0.4- 190616 349 0.2- 0.5+ 180915 691 0.1- 0.1+ 190519 349 1.2- 0.0 190616 349 0.1+ 0.1+ 180915 I52 0.4+ 0.5+ 190519 349 0.8- 0.2+ 190616 C10 0.7- 0.2- 180915 691 1.9+ 0.2- 190520 A98 0.9+ 0.6+ 190616 C10 0.1- 0.1+ 180915 691 0.5- 0.3+ 190520 A98 0.4+ 0.5- 190616 C10 0.3- 0.1- 180915 K88 0.5- 0.7+ 190520 A98 0.2+ 0.0 190620 G40 0.2+ 0.2- 180915 K88 1.0- 0.3- 190520 A98 0.8+ 0.5+ 190620 G40 0.0 1.0- 180916 I52 0.1+ 0.2+ 190520 A98 1.0+ 1.1- 190625 367 0.1- 0.3- 180916 I52 0.4- 0.3+ 190520 A98 0.9+ 0.2- 190625 367 0.2+ 0.1- 180916 I52 0.3- 0.4+ 190520 A98 0.3+ 0.8- 190625 367 0.2+ 0.5- 180917 215 0.5- 0.1+ 190522 367 0.3- 0.6- 190704 367 0.5+ 0.7- 180917 215 0.2- 0.3+ 190522 367 0.6- 0.5- 190704 367 1.2+ 0.0 180917 215 0.2+ 0.8+ 190522 372 0.3- 0.3- 191104 H06 1.2- 0.5+ 180927 Q11 0.4+ 0.9+ 190522 367 0.2- 0.1- 191104 H06 1.5- 0.5+ 180927 Q11 0.9+ 1.1+ 190522 372 0.2- 0.5- 191107 Q62 1.5- 1.4+ 181001 372 1.4+ 0.9+ 190524 A71 0.7- 0.8- 191107 Q62 1.4- 1.8+ 181001 372 1.5+ 0.9+ 190524 A71 1.1- 0.2- 181007 Q11 1.0+ 0.8+ 190524 A71 0.3- 0.6- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2019 Dec. 7

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