2018 March 28, 16:30:37 UT Orbital elements: C/2018 F3 (Johnson) Epoch 2017 July 26.0 TT = JDT 2457960.5 T 2017 Aug. 12.60139 TT Sato q 2.4684520 (2000.0) P Q z +0.0111071 Peri. 292.28143 -0.40555553 -0.90662279 +/-0.0139870 Node 173.07109 +0.17704200 +0.04707107 e 0.9725826 Incl. 105.14691 -0.89676131 +0.41930828 From 46 observations 2018 Mar. 20-28, mean residual 0".62. Epoch 2018 May 2.0 TT = JDT 2458240.5 T 2017 Aug. 12.61352 TT Sato q 2.4685638 (2000.0) P Q z +0.0110917 Peri. 292.28955 -0.40565531 -0.90658541 +/-0.0139870 Node 173.07475 +0.17716183 +0.04693665 e 0.9726194 Incl. 105.13828 -0.89669251 +0.41940416 Residuals in seconds of arc 180320 G96 0.1+ 1.0- 180321 033 0.1- 0.6+ 180322 I52 0.1+ 0.2+ 180320 G96 0.1- 1.9- 180321 033 0.1+ 0.3+ 180323 P93 1.3- 0.3- 180320 G96 0.5+ 1.9- 180321 I52 0.2- 0.1- 180323 P93 1.5- 0.1+ 180320 G96 0.7+ 1.3- 180321 I52 0.1- 0.9+ 180323 P93 0.2+ 0.1+ 180320 H01 0.2- 0.8+ 180321 I52 0.2+ 0.2+ 180323 P93 0.3+ 0.1- 180320 H01 0.1- 0.9+ 180321 033 0.4- 0.7+ 180323 104 0.6- 0.3- 180320 H01 0.1- 0.9+ 180321 033 0.1+ 0.9+ 180323 104 0.9+ 1.1- 180320 H01 0.1- 0.8+ 180322 A77 (1.0- 2.6-) 180323 G40 1.3+ 0.8- 180320 I52 0.1+ 0.2- 180322 807 0.4- 0.3- 180324 G40 1.5+ 0.7+ 180320 I52 0.3+ 0.0 180322 807 0.1+ 0.2+ 180324 G40 0.5- 0.7- 180320 I52 0.2- 0.0 180322 807 0.0 0.2+ 180324 Q62 0.2+ 0.0 180320 474 0.1- 0.3+ 180322 A77 0.4- 1.3- 180324 Q62 0.0 0.6+ 180320 474 0.2+ 0.7+ 180322 A77 (0.2+ 2.5-) 180324 Q62 0.6+ 0.3+ 180320 474 0.4- 0.1+ 180322 I52 1.0- 0.0 180328 807 0.1- 0.2- 180320 474 0.2+ 0.1+ 180322 I52 0.0 0.1+ 180328 807 0.1- 0.1+ 180321 033 0.1+ 0.7+ 180322 I52 0.3+ 0.3- 180328 807 0.1- 0.3+ --