November 24, 2009A17:36:57 UT Orbit-1 Orbital elements: C/2009 W1 (Hill) T 2009 July 18.75754 TT Sato q 2.9454300 (2000.0) P Q Peri. 27.75180 +0.02417294 -0.97203348 Node 61.70493 +0.86104659 -0.09848044 e 1.0 Incl. 15.38434 +0.50795121 +0.21319598 From 36 observations 2009 Nov. 18-23, mean residual 0".75. Residuals in seconds of arc 091118 703 0.1+ 1.3+ 091119 A79 0.5+ 0.5+ 091119 H36 0.0 0.7- 091118 703 0.5- 1.8+ 091119 A79 0.2- 0.4- 091119 G96 0.6+ 0.8- 091118 703 0.4- 1.0+ 091119 A79 0.3- 0.4+ 091119 G96 0.9+ 0.8- 091118 703 0.6- 1.4+ 091119 703 0.3+ 0.6+ 091119 G96 0.9+ 0.9- 091119 114 1.3+ 0.2- 091119 703 0.4+ 1.2- 091119 G96 0.8+ 0.7- 091119 114 0.5+ 0.2+ 091119 703 0.8+ 0.2+ 091119 349 1.7- 0.3- 091119 114 1.1+ 0.2+ 091119 703 0.7- 0.0 091119 349 1.4- 0.5- 091119 114 1.1+ 0.1+ 091119 703 0.7- 0.3- 091121 H06 (2.2- 2.7-) 091119 114 1.2+ 0.5- 091119 703 1.2- 0.4- 091121 H06 (1.1- 2.4-) 091119 B18 0.2+ 0.0 091119 703 1.0- 0.3- 091123 H06 0.4+ 0.1+ 091119 B18 0.0 0.3- 091119 703 1.4- 0.5- 091123 H06 0.2+ 0.4+ 091119 B18 0.8+ 0.2- 091119 H36 0.1- 0.3- 091123 H06 0.2- 0.9+ 091119 A79 1.5- 0.9+ 091119 H36 0.1+ 0.5- Orbit-2 Orbital elements: C/2009 W1 (Hill) T 2009 Sept. 10.23227 TT Sato q 2.9403954 (2000.0) P Q n 0.10726148 Peri. 49.08432 -0.22888743 -0.95132455 a 4.3870595 Node 55.32072 +0.80057617 -0.30457006 e 0.3297571 Incl. 14.53445 +0.55379449 +0.04710285 P 9.19 From 38 observations 2009 Nov. 18-23, mean residual 0".67. Residuals in seconds of arc 091118 703 0.5- 0.1- 091119 A79 0.5+ 0.4+ 091119 H36 0.3+ 0.2- 091118 703 1.0- 0.3+ 091119 A79 0.2- 0.5- 091119 G96 0.9+ 0.2- 091118 703 1.0- 0.4- 091119 A79 0.2- 0.4+ 091119 G96 1.2+ 0.2- 091118 703 1.2- 0.0 091119 703 0.4+ 1.0+ 091119 G96 1.2+ 0.4- 091119 114 1.2+ 0.4- 091119 703 0.5+ 0.7- 091119 G96 1.1+ 0.2- 091119 114 0.4+ 0.1- 091119 703 1.0+ 0.6+ 091119 349 1.2- 0.7+ 091119 114 1.0+ 0.0 091119 703 0.5- 0.5+ 091119 349 1.0- 0.5+ 091119 114 1.0+ 0.1- 091119 703 0.6- 0.2+ 091121 H06 1.4- 0.8- 091119 114 1.1+ 0.7- 091119 703 1.0- 0.1+ 091121 H06 0.3- 0.4- 091119 B18 0.2+ 0.1- 091119 703 0.8- 0.2+ 091123 H06 0.4+ 0.3- 091119 B18 0.0 0.5- 091119 703 1.3- 0.0 091123 H06 0.2+ 0.1+ 091119 B18 0.8+ 0.3- 091119 H36 0.2+ 0.2+ 091123 H06 0.1- 0.5+ 091119 A79 1.5- 0.8+ 091119 H36 0.4+ 0.0 November 20, 2009A23:52:11 UT Orbital elements: C/2009 W1 (Hill) T 2009 June 25.4158 TT Sato q 2.205402 (2000.0) P Q Peri. 15.2390 +0.4276406 -0.8850787 Node 49.8161 +0.8021812 +0.2778786 e 1.0 Incl. 13.9161 +0.4166879 +0.3733889 From 33 observations 2009 Nov. 18-19, mean residual 0".60. November 19, 2009A21:55:23 UT Orbital elements: C/2009 W1 (Hill) T 2009 June 24.7545 TT Sato q 2.356929 (2000.0) P Q Peri. 17.1109 +0.3543598 -0.9145650 Node 52.5723 +0.8266541 +0.2089318 e 1.0 Incl. 14.2099 +0.4371180 +0.3462924 From 31 observations 2009 Nov. 18-19, mean residual 0".61. --