2018 January 23, 01:47:18 UT Orbital elements: P/2017 Y3 (Leonard) Epoch 2018 Feb. 11.0 TT = JDT 2458160.5 T 2018 Feb. 11.21324 TT Sato q 1.2760078 (2000.0) P Q n 0.03082714 Peri. 67.48731 -0.70410302 +0.68023128 a 10.0735042 Node 153.89467 -0.69016542 -0.72307067 e 0.8733303 Incl. 27.58744 +0.16706476 -0.12022569 P 31.97 From 59 observations 2017 Dec. 26-2018 Jan. 20, mean residual 0".48. Residuals in seconds of arc 171226 G96 0.2- 0.0 171229 H06 0.3- 0.0 180106 G96 0.5- 0.3- 171226 G96 0.7- 0.1+ 171229 I52 0.3+ 0.4- 180106 G96 0.1+ 0.2- 171226 G96 0.1+ 0.1+ 171229 I52 0.8- 0.1- 180106 G96 0.9- 0.2- 171226 G96 0.1- 0.2- 171229 I52 0.2- 0.1+ 180109 585 0.2+ 0.1+ 171226 G96 0.7+ 0.1+ 171229 I52 0.5- 0.3- 180109 585 0.1+ 0.1+ 171226 G96 0.3- 0.4- 171229 926 0.7+ 0.5+ 180109 585 0.6+ 0.1+ 171226 G96 0.4+ 0.0 171229 926 0.1- 0.6+ 180109 585 0.3- 0.4+ 171226 G96 0.6+ 0.2+ 171229 926 0.0 0.0 180109 585 0.3+ 0.5+ 171227 G40 0.0 0.6- 171230 926 0.4+ 0.0 180109 585 0.5+ 0.7+ 171227 G40 0.5+ 0.1- 171230 926 0.3+ 0.1- 180109 585 0.6+ 0.6+ 171228 G96 1.1- 0.5+ 171230 926 0.7+ 0.7- 180111 G40 0.4+ 0.3- 171228 G96 0.2+ 0.5+ 171231 926 0.0 0.1+ 180111 G40 0.8+ 0.2- 171228 G96 (3.4+ 0.3+) 171231 926 0.7- 0.2+ 180111 G40 0.9+ 0.2- 171228 926 0.1- 0.7+ 171231 926 0.3+ 0.2- 180112 D95 0.5- 0.9+ 171228 926 0.5- 0.1- 180105 G96 0.2- 0.1+ 180112 D95 0.1+ 0.7+ 171228 926 0.2- 0.3+ 180105 G96 0.4- 0.2- 180115 Q11 0.1+ 0.3- 171229 G96 1.3+ 0.2- 180105 G96 0.1- 0.2- 180115 Q11 0.4- 0.2- 171229 H06 0.7- 0.3- 180105 G96 0.9- 0.1+ 180120 Q11 0.0 0.6- 171229 G96 1.7+ 0.9- 180105 926 0.1+ 0.8+ 180120 Q11 0.2- 0.4- 171229 H06 0.6- 0.2- 180105 926 0.6- 0.3- 171229 G96 (2.5+ 0.2-) 180105 926 0.6- 0.7- 2018 January 12, 00:42:38 UT Orbital elements: P/2017 Y3 (Leonard) Epoch 2018 Feb. 11.0 TT = JDT 2458160.5 T 2018 Feb. 11.39005 TT Sato q 1.2739193 (2000.0) P Q n 0.03394583 Peri. 67.64009 -0.70284764 +0.68140814 a 9.4466630 Node 153.83844 -0.69145882 -0.72184188 e 0.8651461 Incl. 27.58648 +0.16700272 -0.12094313 P 29.03 From 53 observations 2017 Dec. 26-2018 Jan. 11, mean residual 0".45. --