2019 May 13, 14:23:06 UT Orbital elements: C/2019 J1 (Lemmon) = C0M96K2 Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 T 2019 Apr. 8.65417 TT Sato q 2.4798310 (2000.0) P Q z +0.0101267 Peri. 167.53619 -0.05661802 +0.90982699 +/-0.0030319 Node 98.11022 -0.94796212 +0.08022862 e 0.9748876 Incl. 24.53573 -0.31330852 -0.40715871 From 69 observations 2019 May 4-12, mean residual 0".51. Epoch 2019 June 6.0 TT = JDT 2458640.5 T 2019 Apr. 8.63816 TT Sato q 2.4798069 (2000.0) P Q z +0.0101788 Peri. 167.53088 -0.05670059 +0.90981566 +/-0.0030319 Node 98.11024 -0.94797058 +0.08014568 e 0.9747585 Incl. 24.53660 -0.31326797 -0.40720036 Residuals in seconds of arc 190504 G96 0.2+ 0.3- 190507 I47 0.1+ 0.4+ 190509 C42 0.5+ 0.2- 190504 G96 0.1+ 0.7+ 190507 I47 0.1+ 0.2+ 190509 C42 0.2- 1.3+ 190504 G96 0.2- 0.3- 190507 I47 0.1+ 0.0 190510 I47 0.1+ 0.1+ 190504 G96 0.2+ 0.4- 190507 Q11 0.2+ 0.4- 190510 I47 0.4+ 0.1+ 190505 G96 0.1- 0.6- 190507 Q11 0.3- 0.4- 190510 I47 0.5- 0.3- 190505 G96 0.2- 0.1- 190507 Q11 0.2+ 0.5- 190511 L01 0.4+ 0.3- 190505 G96 0.2+ 0.4+ 190508 I52 0.2- 0.0 190511 L01 0.2+ 0.1- 190505 G96 0.2- 0.3- 190508 I52 0.3+ 0.6+ 190511 L01 1.1- 0.1- 190505 I52 (1.0+ 2.4-) 190508 I52 0.5+ 0.6- 190511 L01 1.3- 0.6- 190505 I52 0.1+ 0.2- 190508 I52 0.2+ 0.1- 190511 L01 0.0 1.9+ 190505 I52 0.4+ 0.1- 190508 N55 0.7- 0.1- 190511 W88 0.6- 0.2+ 190505 Q62 0.5+ 0.1+ 190508 N55 0.2- 1.0+ 190511 W88 0.4- 0.3+ 190505 Q62 0.4+ 0.1- 190508 N55 0.9- 0.9+ 190511 I52 0.8+ 0.1+ 190506 G40 0.3- 0.4+ 190508 N55 0.3- 1.0+ 190511 I52 0.8- 0.4- 190506 G40 0.0 0.3+ 190509 X74 0.4- 0.4+ 190511 I52 0.0 0.7- 190506 G40 0.0 0.5- 190509 X74 0.8+ 0.2+ 190511 I52 0.1+ 0.1- 190506 H06 0.1+ 0.1- 190509 X74 0.7+ 0.2- 190511 N55 0.7+ 0.5+ 190506 H06 0.4- 0.1- 190509 I52 1.1+ 1.3- 190511 N55 0.2+ 0.4+ 190506 I52 1.1- 1.0+ 190509 I52 0.2- 0.9- 190512 C95 0.3- 0.4- 190506 I52 0.2- 0.2+ 190509 I52 0.0 0.4- 190512 C95 0.4+ 0.2+ 190506 I52 0.1+ 0.2- 190509 I52 0.2+ 1.9- 190512 N55 0.0 0.1- 190506 Q62 0.0 0.7+ 190509 C42 0.2- 0.0 190512 N55 0.2+ 0.0 190506 Q62 0.3- 0.5+ 190509 C42 0.4+ 0.3- 190506 Q62 0.2- 0.1- 190509 C42 0.9+ 0.3- 2019 May 8, 00:23:43 UT Orbital elements: C0M96K2 Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 T 2019 Apr. 12.59352 TT Sato q 2.4678639 (2000.0) P Q n 0.00633838 Peri. 168.99565 -0.03648747 +0.91037726 a 28.9168316 Node 97.92978 -0.94556758 +0.10201066 e 0.9146565 Incl. 24.59154 -0.32337381 -0.40100756 P 155.50 From 29 observations 2019 May 4-7, mean residual 0".33. 2019 May 7, 14:31:20 UT Orbital elements: C0M96K2 Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 T 2019 Apr. 4.98544 TT Sato q 2.5066424 (2000.0) P Q z -0.0286466 Peri. 166.16258 -0.07271322 +0.90875675 Node 98.43818 -0.95002424 +0.06231115 e 1.0718067 Incl. 24.54703 -0.30358973 -0.41264814 From 27 observations 2019 May 4-7, mean residual 0".47. --