2018 July 9, 06:35:50 UT Orbital elements: C/2018 N1 (NEOWISE) T 2018 Aug. 1.96955 TT Sato q 1.3075404 (2000.0) P Q Peri. 354.54064 +0.46218996 -0.82529457 Node 292.43129 -0.79974471 -0.54600091 e 1.0 Incl. 159.45086 -0.38313031 +0.14412454 From 31 observations 2018 June 29-July 8, mean residual 0".45. Residuals in seconds of arc 180629 T05 0.1- 0.1- 180705 X74 1.0- 0.8- 180707 A77 (2.3- 1.3-) 180629 T05 0.3- 0.0 180705 850 0.0 0.3- 180707 A77 0.5- 0.3- 180629 T05 0.0 0.2+ 180705 850 0.3+ 1.0- 180707 A77 0.7- 0.4+ 180629 T05 0.0 0.2- 180705 850 0.4- 0.0 180708 W96 0.5+ 0.2- 180702 C51 0.6+ 0.2+ 180705 N55 0.3- 1.2+ 180708 W96 0.2+ 0.1- 180702 C51 0.2+ 0.3+ 180705 N55 0.0 0.0 180708 W96 0.1+ 0.5+ 180702 C51 0.4+ 0.1- 180705 N55 0.2- 0.3+ 180708 W96 0.1+ 0.1+ 180702 C51 0.4+ 0.1- 180705 N55 0.6+ 1.1+ 180708 349 0.1+ 0.6- 180702 C51 0.5- 0.1+ 180706 W96 0.1+ 0.8+ 180708 349 0.3- 0.2- 180705 X74 0.3+ 0.4- 180706 W96 0.3- 0.3- 180708 349 0.2+ 0.1- 180705 X74 0.1- 0.9- 180706 W96 0.6+ 0.6+ 2018 July 6, 02:15:26 UT Orbital elements: C/2018 N1 (NEOWISE) = N00ddem T 2018 Aug. 1.96919 TT Sato q 1.3075260 (2000.0) P Q Peri. 354.54156 +0.46217932 -0.82529931 Node 292.43146 -0.79975205 -0.54599142 e 1.0 Incl. 159.45063 -0.38312783 +0.14413332 From 19 observations 2018 June 29-July 5, mean residual 0".48. 2018 July 5, 12:49:35 UT Orbital elements: N00ddem T 2018 Aug. 2.22719 TT Sato q 1.3047928 (2000.0) P Q n 0.00843337 Peri. 354.87349 +0.45934904 -0.82629070 a 23.9038826 Node 292.56171 -0.80189948 -0.54358954 e 0.9454150 Incl. 159.33145 -0.38204148 +0.14749269 P 116.87 From 12 observations 2018 June 29-July 5, mean residual 0".28. --