September 02, 2009A19:16:27 UT Orbit-1 Orbital elements: C/2009 Q4 (Boattini) T 2009 Nov. 2.74512 TT Sato q 1.4915296 (2000.0) P Q Peri. 302.09120 +0.20264602 -0.96900525 Node 135.50284 +0.95261266 +0.16164492 e 1.0 Incl. 11.63018 +0.22685615 +0.18681472 From 39 observations 2009 Aug. 26-Sept. 2, mean residual 0".77. Residuals in seconds of arc 090826 703 1.2- 1.5- 090829 854 1.4+ 0.4+ 090830 H55 0.5+ 0.3+ 090826 703 1.3- 0.1+ 090829 854 1.2+ 0.4+ 090830 H55 0.7+ 0.2+ 090826 703 0.9- 1.7- 090829 854 0.3+ 0.5- 090830 291 1.2- 0.5+ 090826 703 1.0- 0.3- 090829 A50 (0.6+ 4.2+) 090830 291 0.9- 0.7+ 090827 932 1.1+ 0.5- 090829 A50 (0.6+ 2.7+) 090830 291 1.3- 0.5+ 090827 932 0.5+ 0.5+ 090829 A50 (0.6- 2.3+) 090830 300 0.1- 0.8+ 090827 932 1.4+ 0.3- 090829 A50 1.0- 0.1+ 090830 300 1.0- 0.4- 090827 H06 1.1+ 0.1+ 090830 113 0.3+ 0.5+ 090830 300 0.0 0.2+ 090827 H06 0.7+ 0.0 090830 113 0.3- 0.4+ 090830 300 0.7- 0.3+ 090827 H06 0.6+ 0.2- 090830 113 0.2+ 0.6+ 090831 H36 0.8- 0.1+ 090828 703 0.3+ 1.9+ 090830 A17 0.9- 0.2- 090831 H36 0.1- 0.1- 090828 703 0.7+ 0.9- 090830 A17 0.2- 0.1- 090902 H06 (0.3+ 2.6-) 090828 703 (2.3+ 1.4+) 090830 A17 0.3- 0.5+ 090902 H06 0.8+ 1.9- 090829 H06 0.9- 0.6+ 090830 H55 0.7+ 0.1- 090902 H06 0.7+ 1.5- 090829 H06 0.9+ 0.2+ 090830 H55 0.0 0.3+ Orbit-2 Orbital elements: C/2009 Q4 (Boattini) T 2009 Dec. 9.77107 TT Sato q 1.1847137 (2000.0) P Q n 0.37807461 Peri. 341.88662 -0.22723390 -0.96141056 a 1.8941645 Node 120.98903 +0.91436321 -0.26543766 e 0.3745455 Incl. 10.42325 +0.33511889 +0.07233660 P 2.61 From 41 observations 2009 Aug. 26-Sept. 2, mean residual 0".62. Residuals in seconds of arc 090826 703 0.8- 0.5- 090829 854 1.1+ 0.3- 090830 H55 0.6+ 0.2- 090826 703 0.9- 1.1+ 090829 854 1.0+ 0.3- 090830 H55 0.8+ 0.2- 090826 703 0.4- 0.7- 090829 854 0.1+ 1.2- 090830 291 0.9- 0.0 090826 703 0.5- 0.7+ 090829 A50 (0.5+ 3.9+) 090830 291 0.7- 0.1+ 090827 932 0.7+ 0.1- 090829 A50 (0.4+ 2.4+) 090830 291 1.0- 0.0 090827 932 0.1+ 0.9+ 090829 A50 (0.8- 2.0+) 090830 300 0.1+ 0.5+ 090827 932 1.1+ 0.0 090829 A50 1.1- 0.2- 090830 300 0.8- 0.7- 090827 H06 0.6+ 0.2+ 090830 113 0.2+ 0.2+ 090830 300 0.2+ 0.2- 090827 H06 0.3+ 0.1+ 090830 113 0.3- 0.2+ 090830 300 0.4- 0.1- 090827 H06 0.1+ 0.1- 090830 113 0.2+ 0.3+ 090831 H36 0.4- 0.3+ 090828 703 0.4- 1.3+ 090830 A17 0.9- 0.5- 090831 H36 0.4+ 0.1+ 090828 703 0.1+ 1.4- 090830 A17 0.2- 0.4- 090902 H06 0.1- 0.1- 090828 703 1.6+ 0.9+ 090830 A17 0.2- 0.2+ 090902 H06 0.5+ 0.5+ 090829 H06 1.2- 0.1- 090830 H55 0.7+ 0.5- 090902 H06 0.3+ 1.0+ 090829 H06 0.7+ 0.6- 090830 H55 0.0 0.2- August 31, 2009A16:28:42 UT Orbital elements: C/2009 Q4 (Boattini) T 2009 Nov. 1.60912 TT Sato q 1.5001997 (2000.0) P Q Peri. 301.09146 +0.21937630 -0.96536385 Node 135.51194 +0.94966754 +0.17810789 e 1.0 Incl. 11.62715 +0.22361933 +0.19065734 From 39 observations 2009 Aug. 26-31, mean residual 0".70. --