June 09, 2011A13:00:10 UT Orbit-1 Orbital elements: C/2011 L2 (McNaught) T 2011 Dec. 17.00689 TT Sato q 1.7750323 (2000.0) P Q n 0.12679011 Peri. 273.77799 -0.19084063 -0.61765777 a 3.9241519 Node 128.96828 +0.32561049 +0.69338912 e 0.5476647 Incl. 101.10325 -0.92604409 +0.37109353 P 7.77 From 15 observations 2011 June 2-7, mean residual 0".82. Residuals in seconds of arc 110602 E12 0.1- 0.2- 110603 807 0.4- 0.0 110606 474 1.7+ 0.0 110602 E12 1.3+ 0.2- 110603 807 0.3- 0.2+ 110606 474 1.1+ 0.2+ 110602 E12 0.6+ 0.1- 110603 E12 1.1- 0.1+ 110606 474 2.0+ 0.2- 110603 807 0.1+ 0.2+ 110603 E12 1.3- 0.1+ 110607 H06 1.9- 0.8+ 110603 807 0.2+ 0.0 110605 E12 1.1- 0.3- 110607 H06 0.8- 0.6- Orbit-2 Orbital elements: C/2011 L2 (McNaught) T 2011 Dec. 3.42956 TT Sato q 1.8288546 (2000.0) P Q n 0.08914702 Peri. 268.06012 -0.13704570 -0.64166810 a 4.9628540 Node 129.54331 +0.24495680 +0.71621287 e 0.6314914 Incl. 101.87533 -0.95979927 +0.27441057 P 11.06 From 12 observations 2011 June 2-7, mean residual 0".43. Residuals in seconds of arc 110602 E12 0.6- 0.2- 110603 807 0.2- 0.0 110606 474 (3.3+ 0.0-) 110602 E12 0.8+ 0.2- 110603 807 0.1- 0.2+ 110606 474 (2.7+ 0.2+) 110602 E12 0.1+ 0.1- 110603 E12 0.5- 0.1+ 110606 474 (3.6+ 0.2-) 110603 807 0.4+ 0.2+ 110603 E12 0.7- 0.1+ 110607 H06 0.7- 0.8+ 110603 807 0.4+ 0.0 110605 E12 0.6+ 0.3- 110607 H06 0.4+ 0.7- Orbit-3 Orbital elements: C/2011 L2 (McNaught) T 2011 Oct. 31.59843 TT Sato q 1.9699734 (2000.0) P Q Peri. 255.97737 -0.01589392 -0.68462463 Node 131.32823 +0.06563880 +0.72652803 e 1.0 Incl. 103.97167 -0.99771686 +0.05870383 From 13 observations 2011 June 2-6, mean residual 0".37. Residuals in seconds of arc 110602 E12 1.2- 0.1- 110603 807 0.1+ 0.0 110606 474 0.0 0.0 110602 E12 0.2+ 0.1- 110603 807 0.2+ 0.2+ 110606 474 0.5- 0.3+ 110602 E12 0.5- 0.1- 110603 E12 0.1+ 0.1+ 110606 474 0.3+ 0.2- 110603 807 0.7+ 0.2+ 110603 E12 0.1- 0.1+ 110607 H06 (7.1- 0.6+) 110603 807 0.7+ 0.0 110605 E12 0.0 0.3- 110607 H06 (6.0- 0.8-) June 07, 2011A13:41:39 UT Orbit-1 Orbital elements: C/2011 L2 (McNaught) T 2011 Oct. 31.58504 TT Sato q 1.9704026 (2000.0) P Q Peri. 255.95997 -0.01563359 -0.68461346 Node 131.32802 +0.06546852 +0.72656285 e 1.0 Incl. 103.96733 -0.99773216 +0.05840241 From 13 observations 2011 June 2-6, mean residual 0".37. Orbit-2 Orbital elements: C/2011 L2 (McNaught) T 2011 Nov. 8.68028 TT Sato q 1.9306049 (2000.0) P Q n 0.01586027 Peri. 258.77648 -0.04499260 -0.67524253 a 15.6890148 Node 130.81142 +0.10794041 +0.72936798 e 0.8769454 Incl. 103.41226 -0.99313873 +0.10986299 P 62.14 From 13 observations 2011 June 2-6, mean residual 0".33. --