May 11, 2013A15:05:14 UT Orbital elements: C/2013 G5 (Catalina) Epoch 2013 Aug. 16.0 TT = JDT 2456520.5 T 2013 Sept. 1.42160 TT Sato q 0.9288480 (2000.0) P Q z +0.0002601 Peri. 165.69172 +0.67642545 +0.63070983 +/-0.0001289 Node 144.22468 -0.72339347 +0.66596656 e 0.9997584 Incl. 40.58525 -0.13838529 -0.39836373 >From 84 observations 2013 Apr. 13-May 7, mean residual 0".60. Epoch 2013 May 28.0 TT = JDT 2456440.5 T 2013 Sept. 1.42276 TT Sato q 0.9288333 (2000.0) P Q z +0.0002877 Peri. 165.69271 +0.67644769 +0.63069137 +/-0.0001289 Node 144.22560 -0.72337216 +0.66598842 e 0.9997328 Incl. 40.58519 -0.13838803 -0.39835640 Residuals in seconds of arc 130413 703 0.7- 0.2- 130414 J04 0.5+ 0.5+ 130416 711 0.2+ 0.7+ 130413 703 (2.0- 1.0+) 130414 J04 0.6+ 0.5+ 130416 711 0.7- 0.7+ 130413 703 1.3- 1.7- 130414 J04 0.4+ 0.8+ 130416 711 0.3- 0.9+ 130413 703 0.6+ 0.7+ 130414 673 0.5+ 0.2+ 130416 C48 0.1- 0.6- 130413 493 0.3+ 0.3+ 130414 673 0.7+ 0.1+ 130416 C48 0.1+ 0.0 130413 493 0.3+ 0.5+ 130414 G96 0.0 0.3- 130416 C48 0.3+ 0.4- 130413 493 0.5+ 0.4+ 130414 G96 0.4- 0.3- 130416 C48 0.0 0.2- 130413 I93 0.4- 0.5- 130414 G96 0.3- 0.5- 130417 372 0.3+ 0.6- 130413 I93 0.2+ 0.3+ 130414 G96 0.5- 0.1+ 130417 372 0.7+ 0.4- 130413 A24 0.2- 0.6+ 130414 673 0.2+ 0.6+ 130418 C23 (1.9- 2.4+) 130413 A24 0.1+ 0.6+ 130414 C43 1.1- 1.3- 130418 C23 (2.3- 0.1+) 130413 I93 0.3- 0.2+ 130414 C43 (0.4- 2.6-) 130421 H06 0.1+ 0.5- 130413 493 0.5+ 0.3+ 130414 C43 0.9- 1.5- 130421 H06 0.1- 0.2- 130413 493 0.3+ 0.3+ 130414 113 1.1- 0.3- 130421 H06 0.2- 0.3- 130413 493 0.4+ 0.3+ 130415 113 0.1+ 0.0 130423 213 0.6+ 0.1+ 130413 C43 1.3+ 0.0 130415 113 0.9- 0.7- 130424 213 0.4+ 0.1- 130413 C43 0.7+ 0.0 130415 H06 1.2+ 0.6+ 130429 461 0.0 0.4- 130413 204 0.0 0.1+ 130415 H06 0.6+ 0.5+ 130429 461 0.3- 0.9+ 130413 204 0.1- 0.1+ 130415 H06 0.1+ 0.2+ 130429 461 0.8+ 0.6+ 130413 204 0.2+ 0.0 130415 G96 0.6- 0.2+ 130429 461 0.3- 0.8+ 130413 157 0.2+ 0.4+ 130415 G96 0.1- 0.2- 130504 B96 1.6- 0.4- 130413 157 0.3+ 0.0 130415 G96 0.3+ 0.1- 130504 B96 1.6- 0.3+ 130414 C47 0.6+ 0.5+ 130415 G96 0.5- 0.6- 130505 C23 2.0+ 1.2- 130414 C47 0.4- 0.3+ 130415 G96 0.4- 0.1+ 130505 C23 0.7- 0.3+ 130414 C91 0.4- 0.8- 130415 300 0.1- 0.9- 130507 372 0.8+ 0.0 130414 C91 0.6- 0.5- 130415 300 0.1- 1.2- 130507 372 0.8+ 0.3- 130414 C91 1.4- 0.7- 130415 300 1.1+ 0.1- 130507 372 0.1+ 0.1+ 130414 C47 0.7+ 0.2- 130415 300 0.0 0.0 130507 511 0.2- 0.2+ 130414 C91 0.9- 0.1+ 130415 104 0.7- 0.2+ 130507 511 0.2- 0.0 130414 C91 1.1+ 1.3+ 130415 104 (2.1- 0.5-) April 16, 2013A19:27:38 UT Orbital elements: C/2013 G5 (Catalina) T 2013 Aug. 30.1521 TT Sato q 0.922104 (2000.0) P Q Peri. 166.7592 +0.6653053 +0.6369966 Node 142.5156 -0.7299334 +0.6644989 e 1.0 Incl. 39.7789 -0.1567358 -0.3907383 From 61 observations 2013 Apr. 13-16, mean residual 0".64. --