2017 October 15, 22:00:01 UT Orbital elements: C/2017 S7 (Lemmon) Epoch 2017 May 27.0 TT = JDT 2457900.5 T 2017 May 27.95408 TT Sato q 7.6141473 (2000.0) P Q z -0.0002719 Peri. 187.75140 +0.19966470 +0.53589053 +/-0.0000202 Node 262.78679 +0.93752830 +0.13894937 e 1.0020706 Incl. 124.22017 +0.28491172 -0.83277513 From 63 observations 2016 Dec. 18-2017 Oct. 7, mean residual 0".45. Epoch 2017 Oct. 14.0 TT = JDT 2458040.5 T 2017 May 27.83882 TT Sato q 7.6141080 (2000.0) P Q z -0.0002931 Peri. 187.74421 +0.19958596 +0.53598221 +/-0.0000202 Node 262.78796 +0.93751129 +0.13905292 e 1.0022320 Incl. 124.22457 +0.28502286 -0.83269884 Residuals in seconds of arc 161218 G96 0.2+ 0.9+ 170929 K88 0.4- 0.2+ 171002 G96 0.4+ 0.2+ 161218 G96 0.4- 0.5+ 170929 K88 0.9- 0.0 171002 G96 0.3+ 0.4+ 161218 G96 0.2- 1.7- 170929 U69 0.6+ 0.7- 171002 691 0.3- 0.5+ 161218 G96 0.5+ 1.1- 170929 U69 0.6+ 1.0- 171002 G96 0.2- 0.3+ 161227 G96 0.5+ 0.4+ 170929 U69 0.8+ 1.2- 171002 691 0.1- 0.3+ 161227 G96 0.2+ 0.1- 170930 K88 0.3- 0.7+ 171002 691 0.1+ 0.0 161227 G96 0.2+ 0.1+ 170930 K88 0.1- 0.2+ 171003 G40 0.1- 0.0 161227 G96 0.6- 0.1- 170930 I52 0.1- 0.1+ 171003 G40 0.2- 0.3+ 161230 G96 0.5- 0.5+ 170930 I52 0.3+ 0.3- 171004 850 0.4- 0.5+ 161230 G96 0.1+ 0.3+ 170930 I52 0.4- 0.3- 171004 850 0.5- 0.2+ 161230 G96 0.6- 0.0 171001 A71 0.3+ 0.1- 171004 850 0.5- 0.1- 161230 G96 0.4+ 0.4+ 171001 A71 0.1+ 0.1+ 171006 926 0.3- 0.3+ 170926 G96 0.0 0.1- 171001 118 0.2- 0.1+ 171006 926 0.1+ 0.5+ 170926 G96 0.0 0.3- 171001 118 0.7- 0.2+ 171006 926 0.1+ 0.4+ 170926 G96 0.1+ 0.3- 171001 G96 0.4- 0.3+ 171007 H01 0.4+ 0.6- 170926 G96 0.2+ 0.5- 171001 G96 0.2+ 1.6+ 171007 H01 0.5+ 0.4- 170927 Z17 0.4+ 0.3- 171001 G96 0.3+ 0.3+ 171007 H01 0.4+ 0.3- 170927 Z17 0.3- 0.0 171001 G96 0.3+ 0.3- 171007 H01 0.4+ 0.3- 170927 Z17 0.3+ 0.5- 171002 G40 0.3- 0.7+ 171007 926 0.6- 0.2- 170927 Z17 0.4+ 0.2- 171002 G40 0.4- 0.1- 171007 926 0.0 0.2- 170927 Z17 0.7+ 0.7- 171002 G96 0.4- 0.1+ 171007 926 0.1+ 0.1+ --