2021 October 11, 01:43:34 UT Orbital elements: C/2021 T1 (Lemmon) Epoch 2021 Nov. 2.0 TT = JDT 2459520.5 T 2021 Oct. 13.26557 TT Sato q 3.0654804 (2000.0) P Q z -0.0101629 Peri. 51.41842 +0.84488292 -0.02358200 +/-0.0046901 Node 56.95296 -0.01996214 -0.99972190 e 1.0311543 Incl. 140.38867 +0.53457868 -0.00006090 From 73 observations 2021 Oct. 2-10, mean residual 0".51. Residuals in seconds of arc 210915 703(14.5- 12.1-) 211003 246 0.1- 0.3+ 211006 L06 0.8- 0.6- 210915 703 (9.7- 11.2-) 211004 H21 0.0 0.8+ 211006 L27 0.3- 0.3+ 211002 G96 0.2- 0.3- 211004 H21 0.2- 0.6+ 211006 L06 0.3- 0.5- 211002 G96 0.1+ 0.1+ 211004 H21 0.0 0.8+ 211006 L06 0.1+ 0.6- 211002 G96 0.1- 0.0 211004 858 0.2+ 0.5+ 211006 L27 0.2+ 0.4+ 211002 G96 0.1- 0.2- 211004 858 0.4- 0.5+ 211006 L27 0.4+ 1.0+ 211002 G96 0.4+ 0.1- 211004 858 0.3+ 0.0 211007 A77 (5.6- 1.1-) 211002 G96 0.3- 0.1+ 211004 C82 (0.6- 2.1+) 211007 A77 0.3+ 0.1+ 211002 G96 0.6- 0.2- 211004 C82 0.6- 1.1+ 211007 A77 (4.6- 3.2-) 211002 G96 0.1- 0.0 211004 C82 0.0 1.3- 211007 N51 1.2- 0.4- 211002 P93 0.5- 0.5+ 211004 C82 0.5+ 0.5- 211007 N51 1.2- 0.4- 211002 P93 0.0 0.7- 211004 B96 0.1- 0.0 211007 K74 0.6+ 0.3- 211002 P93 0.2- 0.2- 211004 B96 (3.5- 1.3+) 211007 K74 0.4+ 1.0+ 211002 P93 0.4- 0.1- 211004 B49 0.0 0.1- 211007 A77 0.5- 0.0 211002 N51 0.6- 0.1- 211004 B49 0.0 0.3+ 211007 K74 0.9+ 0.8+ 211002 N51 0.2- 0.4+ 211004 B49 0.3+ 0.6- 211007 A77 1.4- 0.2+ 211002 L01 0.4+ 0.4+ 211004 B49 0.5+ 0.6- 211007 A77 0.8- 0.3- 211002 L01 0.4+ 0.0 211004 595 0.8+ 0.1+ 211007 J57 0.1+ 0.3+ 211002 L01 0.2+ 0.3+ 211004 595 0.6+ 0.1+ 211007 J57 0.0 0.5- 211002 L01 0.1- 0.3+ 211004 595 0.9+ 0.6- 211007 958 0.1- 0.3- 211002 L01 0.2+ 0.0 211005 G02 0.9- 0.3- 211007 958 0.5+ 1.1+ 211002 157 1.0+ 0.0 211005 G02 0.9- 0.4- 211007 958 1.2+ 0.3- 211002 157 0.4+ 0.9- 211005 G02 0.6- 0.6- 211010 Q11 0.3+ 0.1+ 211003 H06 0.4+ 0.0 211006 L27 0.1+ 0.3- 211010 Q11 0.1+ 0.0 211003 H06 0.1- 0.3- 211006 I93 0.1- 0.4+ 211010 Q11 0.1+ 0.1- 211003 246 0.1+ 0.0 211006 L27 1.4+ 0.6- 211003 246 0.3- 0.6+ 211006 I93 0.2- 0.2+ 2021 October 08, 12:17:38 UT Orbital elements: C/2021 T1 (Lemmon) Epoch 2021 Nov. 2.0 TT = JDT 2459520.5 T 2021 Oct. 13.22692 TT Sato q 3.0669480 (2000.0) P Q z -0.0123021 Peri. 51.43645 +0.84484029 -0.02329253 +/-0.0086542 Node 56.98413 -0.01985661 -0.99972864 e 1.0377298 Incl. 140.39834 +0.53464998 -0.00032310 From 67 observations 2021 Oct. 2-7, mean residual 0".50. --