2019 May 28, 00:31:51 UT Orbital elements: C/2019 K1 (ATLAS) Epoch 2020 Feb. 1.0 TT = JDT 2458880.5 T 2020 Feb. 15.18072 TT Sato q 2.0017253 (2000.0) P Q z +0.0118759 Peri. 266.42825 +0.03855717 +0.28968639 +/-0.0099170 Node 73.33821 +0.32606266 +0.90102395 e 0.9762277 Incl. 86.61720 -0.94456153 +0.32285853 From 105 observations 2019 May 16-25, mean residual 0".63. Epoch 2019 June 6.0 TT = JDT 2458640.5 T 2020 Feb. 15.07911 TT Sato q 2.0018635 (2000.0) P Q z +0.0114629 Peri. 266.40231 +0.03827584 +0.28964847 +/-0.0099170 Node 73.34095 +0.32570238 +0.90118709 e 0.9770528 Incl. 86.62643 -0.94469726 +0.32243696 Residuals in seconds of arc 190516 T08 0.7- 0.6+ 190522 807 0.0 0.2- 190523 H36 0.1- 1.2+ 190516 T08 0.2+ 0.2- 190522 807 0.3+ 0.6- 190523 H01 0.1+ 0.5- 190516 T08 0.2+ 0.5- 190522 H01 0.1- 0.1- 190523 H36 0.8- 0.2+ 190516 T08 0.1+ 0.5- 190522 H01 0.4+ 0.2- 190523 H36 0.2+ 0.5- 190516 T08 0.6+ 0.2+ 190522 H01 0.0 0.7- 190523 705 1.1+ 0.5+ 190516 T08 0.8- 1.7+ 190522 H01 0.0 0.1- 190523 705 1.3+ 0.3+ 190517 K91 0.0 0.7- 190522 H01 0.0 0.0 190523 705 1.3+ 0.1+ 190517 K91 0.1+ 0.7- 190522 181 0.8- 0.3- 190523 705 (2.1+ 0.5+) 190517 K91 0.0 0.7- 190522 181 0.1- 0.2+ 190523 705 1.9+ 0.5+ 190517 K91 0.0 0.8- 190522 Q62 0.1+ 0.0 190523 H01 0.2+ 0.5- 190517 K91 0.2+ 0.7- 190522 Q62 0.0 0.0 190523 705 1.6+ 0.4+ 190517 Q62 0.8+ 0.5- 190522 Q62 0.4+ 0.5- 190523 H01 0.3+ 0.4- 190517 Q62 0.4+ 0.2- 190522 N55 0.2+ 0.2+ 190523 H01 0.2+ 0.2- 190518 X74 0.7+ 0.0 190522 N55 0.6+ 0.5+ 190523 T05 0.0 0.2- 190518 X74 0.5+ 0.1+ 190522 N55 0.8- 1.4- 190523 T05 0.5- 0.5+ 190518 X74 0.3+ 0.1+ 190522 L34 1.8- 1.3- 190523 T05 0.4- 0.1- 190518 Q62 0.5- 0.1- 190522 L34 0.0 0.2- 190523 T05 0.0 0.1- 190518 Q62 0.6+ 0.2- 190522 L01 0.8+ 0.3- 190523 T08 0.5- 0.0 190518 Q62 0.4+ 0.2+ 190522 L01 0.9- 0.3+ 190523 T08 0.2- 0.1- 190518 N55 0.4- 0.9+ 190522 L01 1.0- 0.3+ 190523 T08 0.0 0.5+ 190518 N55 0.8- 1.9+ 190522 I93 0.1- 0.2+ 190524 215 0.3+ 1.4+ 190518 N55 1.0- 0.3+ 190523 I93 0.3- 0.7+ 190524 215 0.7- 1.1+ 190518 N55 0.0 0.8+ 190523 I93 1.1- 1.2+ 190524 215 1.5- 1.2+ 190518 N55 0.5- 0.2- 190523 Z84 0.2+ 0.0 190524 G40 0.0 0.7- 190519 585 0.2- 0.9+ 190523 Z84 0.2+ 0.1- 190524 G40 0.7+ 0.9- 190519 585 0.1- 0.1- 190523 Z84 0.1- 0.1- 190524 705 (2.1+ 0.1+) 190519 L29 0.8- 0.8+ 190523 C65 0.2+ 0.1- 190524 705 1.8+ 0.3+ 190519 L29 1.1- 1.3+ 190523 C65 0.3+ 0.4- 190524 705 1.8+ 0.2+ 190521 N55 0.3- 0.8- 190523 C65 0.3+ 0.4- 190524 349 0.4- 0.1+ 190521 N55 0.1+ 0.6- 190523 C65 0.2+ 0.3- 190524 349 0.6- 0.6+ 190521 N55 0.2+ 0.6- 190523 C65 0.1+ 0.1- 190524 349 0.7- 0.4+ 190521 N55 0.6- 0.4+ 190523 C65 0.4+ 0.1- 190524 595 0.6- 0.9- 190521 N55 0.0 0.1- 190523 C65 0.1+ 0.3- 190524 595 0.7- 0.1+ 190521 N55 0.1+ 1.3- 190523 W88 0.0 1.1- 190525 349 0.3- 0.0 190521 N55 0.3+ 0.2+ 190523 W88 0.2- 0.3+ 190525 349 0.5- 0.3+ 190522 807 0.1+ 0.4- 190523 H01 0.2+ 0.2- 2019 May 25, 14:37:59 UT Orbital elements: C/2019 K1 (ATLAS) T 2020 Feb. 13.30590 TT Sato q 2.0244882 (2000.0) P Q Peri. 265.39970 +0.02247017 +0.28863180 Node 73.38736 +0.31310563 +0.90722092 e 1.0 Incl. 87.27564 -0.94945245 +0.30600962 From 102 observations 2019 May 16-24, mean residual 0".65. --