January 15, 2010A13:10:07 UT Orbital elements: C/2010 A4 (Siding Spring) T 2010 Oct. 8.89539 TT Sato q 2.7067047 (2000.0) P Q Peri. 272.46380 +0.06911458 +0.97118241 Node 346.71916 +0.49155545 -0.23211356 e 1.0 Incl. 96.82539 -0.86809931 -0.05411111 From 40 observations 2010 Jan. 12-14, mean residual 0".57. Residuals in seconds of arc 100112 E12 0.3+ 0.7- 100113 H06 0.5+ 0.4- 100113 D90 0.7+ 0.8- 100112 E12 0.3- 0.2- 100113 682 0.7- 0.8+ 100113 D90 0.2- 0.5- 100112 E12 0.1- 0.2+ 100113 H06 0.4+ 0.2- 100113 D90 0.2+ 0.8- 100113 I20 0.5- 0.2- 100113 H21 0.7- 0.1- 100114 I19 0.5- 0.3+ 100113 I20 0.1+ 0.2+ 100113 H21 0.1- 0.3- 100114 I19 0.3- 0.7+ 100113 I20 0.6+ 0.4+ 100113 H21 0.9- 0.7+ 100114 I19 0.4- 0.6+ 100113 H01 0.9+ 0.2- 100113 H21 1.1- 0.9- 100114 926 0.1+ 0.3+ 100113 H01 0.8+ 0.2- 100113 H06 0.1+ 0.5+ 100114 926 0.1+ 0.3- 100113 H01 0.8+ 0.3- 100113 H21 0.4- 1.0+ 100114 926 0.1+ 0.2+ 100113 H01 0.8+ 0.3- 100113 H21 0.9- 0.5- 100114 D90 0.1+ 0.1- 100113 H01 0.9+ 0.4- 100113 H06 0.0 1.3+ 100114 D90 0.0 0.2- 100113 H06 0.3- 1.3+ 100113 H10 0.2+ 0.5+ 100114 D90 0.7+ 1.1- 100113 H06 0.7+ 0.2- 100113 H10 0.7- 0.3+ 100113 682 0.3+ 0.1- 100113 H10 1.4- 0.4- --