‎2023 August 15, 21:07:28 UT Orbit-1 Orbital elements: C/2023 P1 (Nishimura) T 2023 Sept. 18.16464 TT Sato q 0.2202292 (2000.0) P Q Peri. 117.56737 +0.35409433 -0.60914379 Node 67.90680 -0.86017665 -0.50992532 e 1.0 Incl. 130.01693 +0.36703316 -0.60738786 From 60 observations 2023 Aug. 11-15, mean residual 0".84. Residuals in seconds of arc 230811 247 1.0- 1.6+ 230814 Q38 (2.3- 1.7-) 230815 L01 0.6+ 0.0 230811 247 (0.0+ 4.7+) 230814 Q38 1.9- 0.3- 230815 J01 (3.6+ 0.1+) 230811 247 (6.2+ 3.4+) 230814 Q38 0.2- 0.3+ 230815 J01 (3.3+ 4.1-) 230811 247 (2.5- 4.7-) 230814 Q38 0.2- 1.4+ 230815 J01 0.0 1.6+ 230812 247 (7.6- 4.1-) 230815 C40 1.0- 1.5+ 230815 J01 (3.1+ 3.7+) 230812 247 (4.6- 5.2-) 230815 C40 0.1+ 0.2- 230815 J01 (5.0+ 3.4-) 230812 247 0.4- 0.5+ 230815 C40 1.6- 1.9- 230815 J01 (2.9+ 0.4+) 230813 P87 1.7+ 0.3+ 230815 G23 1.7+ 0.8- 230815 J01 (3.1+ 0.2-) 230813 P87 0.3+ 0.5- 230815 G00 0.4- 0.7+ 230815 J01 1.9- 1.5+ 230813 P87 1.4+ 1.1- 230815 G00 0.4- 0.6+ 230815 950 0.3+ 0.2+ 230814 950 0.5- 0.4- 230815 G23 0.5+ 0.2- 230815 G40 0.3- 0.4+ 230814 950 0.1+ 0.5- 230815 G00 0.5- 0.7+ 230815 950 0.2+ 0.2+ 230814 X09 0.4+ 0.5- 230815 G00 0.7- 0.7+ 230815 G40 0.4- 0.2- 230814 X09 1.1+ 0.7- 230815 G00 0.3- 0.7+ 230815 G40 0.2- 0.2+ 230814 U94 0.2+ 0.5- 230815 G23 0.1+ 0.1+ 230815 C53 1.0- 1.6- 230814 U94 0.6- 0.7- 230815 M50 0.3- 0.9+ 230815 C53 1.0- 1.8- 230814 U94 0.8+ 0.9- 230815 157 0.8+ 0.1- 230815 C53 1.8- 1.2- 230814 U94 0.0 1.0- 230815 157 0.1- 0.0 230815 C53 (0.5+ 2.3-) 230814 U94 1.0+ 0.9- 230815 157 0.6- 0.4+ 230815 C53 0.0 1.3- 230814 U94 0.6+ 0.5- 230815 M50 0.9- 0.5+ 230815 C53 1.0+ 0.9- 230814 U94 0.6+ 0.6- 230815 L06 0.4- 0.9+ 230815 C53 1.0+ 0.0 230814 D95 0.3+ 0.3- 230815 L06 0.4- 1.2+ 230815 349 2.0+ 0.4+ 230814 D95 0.6+ 0.1+ 230815 L06 0.3+ 0.4- 230815 349 1.6+ 0.8+ 230814 D95 0.3+ 0.2- 230815 L01 0.2- 0.8+ 230814 D95 0.1- 0.0 230815 L01 0.1+ 0.9+ Orbit-2 Orbital elements: C/2023 P1 (Nishimura) T 2023 Sept. 18.01744 TT Sato q 0.2144986 (2000.0) P Q n 0.17154516 Peri. 120.36841 +0.32479681 -0.67378953 a 3.2078722 Node 65.34604 -0.89776828 -0.44039986 e 0.9331337 Incl. 133.08990 +0.29752168 -0.59334276 P 5.75 From 59 observations 2023 Aug. 13-15, mean residual 0".78. Residuals in seconds of arc 230811 247(14.9- 4.2+) 230814 Q38 1.9- 1.8- 230815 L01 0.8+ 0.1- 230811 247(13.8- 7.3+) 230814 Q38 1.6- 0.5- 230815 J01 (3.7+ 0.0+) 230811 247 (7.7- 6.0+) 230814 Q38 0.1+ 0.2+ 230815 J01 (3.4+ 4.2-) 230811 247(16.1- 2.1-) 230814 Q38 0.1+ 1.3+ 230815 J01 0.1+ 1.5+ 230812 247(14.0- 2.5-) 230815 C40 0.7- 1.6+ 230815 J01 (3.3+ 3.6+) 230812 247(11.1- 3.5-) 230815 C40 0.3+ 0.2- 230815 J01 (5.1+ 3.5-) 230812 247 (6.8- 2.2+) 230815 C40 1.4- 1.9- 230815 J01 (3.0+ 0.3+) 230813 P87 0.2+ 1.2+ 230815 G23 1.9+ 0.8- 230815 J01 (3.3+ 0.3-) 230813 P87 1.2- 0.3+ 230815 G00 0.1- 0.7+ 230815 J01 1.8- 1.4+ 230813 P87 0.1- 0.3- 230815 G00 0.2- 0.6+ 230815 950 0.3+ 0.1+ 230814 950 0.8- 0.1+ 230815 G23 0.7+ 0.2- 230815 G40 0.3- 0.2+ 230814 950 0.3- 0.0 230815 G00 0.3- 0.7+ 230815 950 0.2+ 0.1+ 230814 X09 0.4+ 0.3- 230815 G00 0.5- 0.7+ 230815 G40 0.3- 0.3- 230814 X09 1.0+ 0.5- 230815 G00 0.1- 0.7+ 230815 G40 0.2- 0.1+ 230814 U94 0.3+ 0.2- 230815 G23 0.4+ 0.1+ 230815 C53 0.9- 1.6- 230814 U94 0.5- 0.4- 230815 M50 0.1- 0.8+ 230815 C53 0.9- 1.8- 230814 U94 0.9+ 0.5- 230815 157 1.0+ 0.1- 230815 C53 1.7- 1.3- 230814 U94 0.1+ 0.7- 230815 157 0.1+ 0.1- 230815 C53 (0.5+ 2.4-) 230814 U94 1.1+ 0.5- 230815 157 0.4- 0.4+ 230815 C53 0.1+ 1.4- 230814 U94 0.7+ 0.1- 230815 M50 0.7- 0.5+ 230815 C53 0.8+ 1.0- 230814 U94 0.7+ 0.3- 230815 L06 0.2- 0.9+ 230815 C53 0.9+ 0.1- 230814 D95 0.6+ 0.1- 230815 L06 0.2- 1.1+ 230815 349 0.7+ 0.0 230814 D95 0.9+ 0.2+ 230815 L06 0.5+ 0.4- 230815 349 0.3+ 0.4+ 230814 D95 0.6+ 0.1- 230815 L01 0.0 0.8+ 230814 D95 0.2+ 0.2+ 230815 L01 0.3+ 0.8+ ‎2023 August 15, 19:29:01 UT Orbital elements: PCCP HN00003 = C/2023 P1 (Nishimura) T 2023 Sept. 18.27759 TT Sato q 0.2193455 (2000.0) P Q Peri. 117.82734 +0.34828002 -0.60568820 Node 68.09521 -0.86135655 -0.50788895 e 1.0 Incl. 129.54709 +0.36981877 -0.61252805 From 58 observations 2023 Aug. 11-15, mean residual 0".80. ‎2023 August 15, 11:12:11 UT Orbital elements: PCCP HN00003 T 2023 Sept. 18.31376 TT Sato q 0.2190957 (2000.0) P Q Peri. 117.90528 +0.34644150 -0.60453255 Node 68.15478 -0.86168980 -0.50730791 e 1.0 Incl. 129.39474 +0.37076810 -0.61414907 From 38 observations 2023 Aug. 11-15, mean residual 0".68. ‎2023 August 14, 22:20:57 UT Orbital elements: PCCP HN00003 T 2023 Sept. 18.31508 TT Sato q 0.2190241 (2000.0) P Q Peri. 117.91776 +0.34629047 -0.60453331 Node 68.15829 -0.86177985 -0.50715473 e 1.0 Incl. 129.38942 +0.37069988 -0.61427482 From 31 observations 2023 Aug. 11-15, mean residual 0".75. ‎2023 August 14, 14:21:15 UT Orbital elements: PCCP HN00003 T 2023 Sept. 18.39659 TT Sato q 0.2182327 (2000.0) P Q Peri. 118.12675 +0.34194945 -0.60214230 Node 68.29484 -0.86281219 -0.50536158 e 1.0 Incl. 129.05800 +0.37232472 -0.61808925 From 14 observations 2023 Aug. 11-14, mean residual 0".46. ‎2023 August 14, 11:51:08 UT Orbital elements: PCCP HN00003 T 2023 Sept. 18.17942 TT Sato q 0.2195990 (2000.0) P Q Peri. 117.68302 +0.35244339 -0.60891781 Node 67.94616 -0.86097143 -0.50857756 e 1.0 Incl. 129.93827 +0.36675857 -0.60874294 From 8 observations 2023 Aug. 11-14, mean residual 0".81. ‎2023 August 14, 02:28:46 UT Orbital elements: PCCP HN00003 T 2023 Sept. 17.77744 TT Sato q 0.2225624 (2000.0) P Q Peri. 116.78281 +0.37175169 -0.62024406 Node 67.28236 -0.85690401 -0.51547325 e 1.0 Incl. 131.51203 +0.35709410 -0.59125683 From 6 observations 2023 Aug. 11-13, mean residual 0".82. --