December 23, 2006 14:05:38 UT Orbit-1 Orbital elements: @@C/2006 YC (Catalina-Christensen) T 2006 July 21.9905 TT Sato q 4.809375 (2000.0) P Q Peri. 328.3547 -0.6848832 -0.6071707 Node 154.3701 +0.6903020 -0.3636659 e 1.0 Incl. 68.6381 -0.2332770 +0.7064636 From 21 observations 2006 Dec. 16-22, mean residual 0".40. Residuals in seconds of arc 061216 703 0.4- 0.1+ 061216 G96 0.0 0.1+ 061220 G96 0.2- 0.2- 061216 703 1.5- 0.2+ 061216 G96 0.1+ 0.2+ 061220 G96 0.2- 0.2- 061216 703 0.0 0.3+ 061216 G96 0.1- 0.4+ 061220 G96 0.0 0.1- 061216 703 0.1+ 0.3+ 061216 G96 0.1- 0.0 061220 G96 0.2- 0.2- 061216 G96 0.7+ 0.1+ 061216 G96 0.2- 0.4+ 061222 349 0.1+ 0.3+ 061216 G96 0.5+ 0.7- 061217 J95 0.7+ 1.2- 061222 349 0.0 0.1+ 061216 G96 0.2+ 0.2+ 061217 J95 0.3+ 0.3- 061222 349 0.1+ 0.2+ Orbit-2 Orbital elements: @@C/2006 YC (Catalina-Christensen) T 2006 Sept. 11.6107 TT Sato q 4.893201 (2000.0) P Q n 0.0009953 Peri. 335.4379 -0.7550584 -0.5139978 a 99.348671 Node 154.2097 +0.6390030 -0.4378457 e 0.950747 Incl. 69.3232 -0.1468402 +0.7376296 P 990 From 21 observations 2006 Dec. 16-22, mean residual 0".39. Residuals in seconds of arc 061216 703 0.4- 0.0 061216 G96 0.0 0.0 061220 G96 0.2- 0.1+ 061216 703 1.5- 0.2+ 061216 G96 0.1+ 0.2+ 061220 G96 0.2- 0.1+ 061216 703 0.0 0.2+ 061216 G96 0.1- 0.4+ 061220 G96 0.0 0.2+ 061216 703 0.1+ 0.2+ 061216 G96 0.1- 0.0 061220 G96 0.2- 0.1+ 061216 G96 0.7+ 0.0 061216 G96 0.2- 0.4+ 061222 349 0.1+ 0.0 061216 G96 0.5+ 0.8- 061217 J95 0.7+ 1.1- 061222 349 0.0 0.1- 061216 G96 0.2+ 0.2+ 061217 J95 0.3+ 0.2- 061222 349 0.1+ 0.1- December 21, 2006 15:59:18 UT Orbit-1 Orbital elements: C/2006 YC (Catalina-Christensen) T 2007 Sept. 26.2191 TT Sato q 4.235586 (2000.0) P Q Peri. 29.3095 -0.8376537 +0.3260720 Node 152.8789 +0.0672971 -0.7345304 e 1.0 Incl. 73.9911 +0.5420400 +0.5950984 From 18 observations 2006 Dec. 16-20, mean residual 0".38. Orbit-2 Orbital elements: C/2006 YC (Catalina-Christensen) T 2007 Jan. 20.8216 TT Sato q 4.727510 (2000.0) P Q n 0.0136679 Peri. 352.0795 -0.8656886 -0.2758762 a 17.324777 Node 153.5657 +0.4951224 -0.5947983 e 0.727124 Incl. 69.7676 +0.0737365 +0.7550545 P 72.1 From 18 observations 2006 Dec. 16-20, mean residual 0".36. --