2018 Feburary 7, 22:28:39 UT Orbital elements: C/2018 B1 (Lemmon) Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 T 2018 Mar. 30.55163 TT Sato q 5.1170239 (2000.0) P Q z -0.0005982 Peri. 68.35206 +0.39402387 +0.89231030 +/-0.0000340 Node 133.15840 +0.69132088 -0.44567591 e 1.0030610 Incl. 162.42297 +0.60565718 -0.07180052 From 73 observations 2017 Jan. 16-2018 Feb. 7, mean residual 0".52. Epoch 2018 Feb. 11.0 TT = JDT 2458160.5 T 2018 Mar. 30.57074 TT Sato q 5.1170180 (2000.0) P Q z -0.0005904 Peri. 68.35286 +0.39405916 +0.89229270 +/-0.0000340 Node 133.15686 +0.69130291 -0.44570842 e 1.0030210 Incl. 162.42276 +0.60565474 -0.07181747 Residuals in seconds of arc 170116 F51 0.1+ 0.1- 180127 H36 0.5- 0.5+ 180204 703 1.2+ 0.4+ 170116 F51 0.0 0.0 180127 H36 1.7- 1.2+ 180204 703 0.7+ 1.1+ 170116 F51 0.1- 0.3+ 180127 H36 1.4- 0.1- 180204 703 0.5+ 0.9+ 170128 F51 0.1+ 0.2- 180127 H01 0.1- 0.3- 180204 703 0.9+ 0.7+ 170128 F51 0.1- 0.2- 180127 H01 0.4- 0.5- 180204 K61 0.6- 0.1- 170128 F51 0.1- 0.1+ 180127 H01 0.1- 0.3- 180204 K61 0.8- 0.4- 180125 G96 0.6+ 0.0 180127 H01 0.6- 0.2- 180205 H36 0.8+ 0.5+ 180125 G96 0.6+ 0.3- 180128 H36 0.1+ 0.9+ 180205 H36 0.6+ 1.1- 180125 G96 0.3+ 0.3+ 180128 H36 0.6+ 0.4- 180205 I52 0.4+ 0.5- 180125 G96 0.7+ 0.3+ 180128 H36 1.7+ 0.9+ 180205 I52 0.3- 0.2- 180125 H01 0.2- 0.3- 180128 I52 0.6+ 0.2+ 180205 I52 0.2+ 0.4+ 180125 H01 0.4- 0.4- 180128 I52 0.8- 0.1- 180205 I52 0.3- 0.0 180125 H01 0.3- 0.3- 180130 H36 0.2- 0.7+ 180206 H36 1.0+ 0.5+ 180125 H01 0.3- 0.3- 180130 H36 0.7+ 0.6+ 180206 H36 0.9- 0.1+ 180126 H01 0.2- 0.1+ 180130 926 0.1- 0.3- 180206 711 0.5- 0.3- 180126 H01 0.3- 0.1+ 180130 926 0.3- 0.4- 180206 711 0.2- 0.3- 180126 H01 0.2- 0.0 180130 926 0.4+ 0.0 180206 711 0.5- 0.1- 180126 H01 0.0 0.1+ 180131 J95 0.4- 0.1+ 180207 I52 0.3+ 1.0- 180126 L01 0.0 0.1- 180131 J95 0.3- 0.0 180207 I52 0.6- 0.1- 180126 L01 0.5+ 0.0 180131 J95 0.4+ 0.1- 180207 711 0.7- 0.3- 180126 L01 0.3- 0.2- 180201 J95 0.1+ 0.3- 180207 711 0.9- 0.4- 180127 I52 0.6- 0.8- 180201 J95 0.5+ 0.2- 180207 I52 0.3- 0.4- 180127 I52 0.1+ 0.4+ 180203 P93 0.3+ 0.2+ 180207 711 0.8- 0.2- 180127 I52 0.0 0.6- 180203 P93 0.9+ 0.2+ 180127 I52 0.3+ 0.3+ 180203 P93 0.8+ 0.4+ --