2021 September 27, 09:07:13 UT Orbital elements: C/2021 R2 (PANSTARRS) Epoch 2021 Dec. 12.0 TT = JDT 2459560.5 T 2021 Dec. 21.76285 TT Sato q 7.3145100 (2000.0) P Q z +0.0003153 Peri. 32.06724 +0.91770606 -0.34319652 +/-0.0018749 Node 16.28158 -0.26026646 -0.89991931 e 0.9976941 Incl. 134.46681 +0.30012822 +0.26900073 From 48 observations 2021 Aug. 28-Sept. 17, mean residual 0".49. Epoch 2021 Sept. 23.0 TT = JDT 2459480.5 T 2021 Dec. 21.38778 TT Sato q 7.3146116 (2000.0) P Q z +0.0003281 Peri. 32.03901 +0.91786419 -0.34278411 +/-0.0018749 Node 16.27914 -0.25984861 -0.90001782 e 0.9975995 Incl. 134.46367 +0.30000672 +0.26919690 Residuals in seconds of arc 210828 F51 0.0 0.3+ 210905 C82 1.2- 0.7- 210907 858 0.3- 0.1- 210828 F51 0.0 0.2+ 210905 A71 0.3+ 0.5- 210907 858 0.5- 1.3+ 210828 F51 0.1- 0.1+ 210905 A71 0.4+ 0.5- 210907 858 0.0 0.7+ 210903 F51 0.4+ 0.2- 210905 A71 0.6+ 0.7- 210907 L27 1.1+ 0.8+ 210903 F51 0.6+ 0.0 210905 A71 0.0 0.5- 210907 L27 0.7+ 0.8+ 210903 F51 0.1+ 0.3+ 210905 157 0.3- 1.1- 210907 L27 0.6+ 1.2+ 210903 F51 0.3+ 0.1+ 210905 157 0.1+ 0.1+ 210908 G40 0.1+ 0.0 210905 F52 0.1+ 0.2+ 210906 L01 0.3- 0.5+ 210908 G40 0.3+ 0.0 210905 F52 0.1+ 0.0 210906 L01 0.5+ 0.2- 210911 F51 0.3- 0.1+ 210905 F52 0.1- 0.2+ 210906 L01 0.0 0.6- 210911 F51 0.2- 0.1- 210905 F51 0.2- 0.1+ 210906 568 0.5- 0.2+ 210911 F51 0.3- 0.2+ 210905 F51 0.2- 0.1+ 210906 568 0.5- 0.2+ 210911 F51 0.4- 0.0 210905 246 0.5- 1.0- 210906 568 0.5- 0.2+ 210917 G96 0.1- 0.0 210905 C82 0.4- 0.7- 210906 587 0.3+ 0.2+ 210917 G96 0.3+ 0.3- 210905 246 0.2- 1.4- 210906 587 0.5+ 0.5+ 210917 G96 0.1+ 0.5- 210905 246 0.8- 0.5- 210906 587 0.5+ 0.6+ 210917 G96 0.0 0.3+ 2021 September 08, 05:48:43 UT Orbital elements: C/2021 R2 (PANSTARRS) T 2021 Nov. 28.76203 TT Sato q 7.3303976 (2000.0) P Q Peri. 30.43319 +0.92705030 -0.31713952 Node 16.26769 -0.23462584 -0.90677011 e 1.0 Incl. 134.44128 +0.29245248 +0.27783177 From 38 observations 2021 Aug. 28-Sept. 7, mean residual 0".52. Residuals in seconds of arc 210828 F51 0.1- 0.4+ 210905 C82 0.4- 0.7- 210906 568 0.5- 0.2+ 210828 F51 0.1- 0.3+ 210905 246 0.2- 1.4- 210906 568 0.6- 0.2+ 210828 F51 0.2- 0.2+ 210905 246 0.7- 0.5- 210906 568 0.5- 0.2+ 210903 F51 0.7+ 0.1- 210905 C82 1.2- 0.7- 210906 587 0.2+ 0.2+ 210903 F51 0.8+ 0.1+ 210905 A71 0.4+ 0.5- 210906 587 0.4+ 0.5+ 210903 F51 0.3+ 0.3+ 210905 A71 0.4+ 0.5- 210906 587 0.4+ 0.5+ 210903 F51 0.5+ 0.2+ 210905 A71 0.6+ 0.7- 210907 858 0.4- 0.1- 210905 F52 0.2+ 0.2+ 210905 A71 0.0 0.5- 210907 858 0.7- 1.2+ 210905 F52 0.2+ 0.0 210905 157 0.2- 1.2- 210907 858 0.1- 0.6+ 210905 F52 0.1- 0.2+ 210905 157 0.1+ 0.1+ 210907 L27 0.8+ 0.7+ 210905 F51 0.1- 0.1+ 210906 L01 0.3- 0.4+ 210907 L27 0.5+ 0.7+ 210905 F51 0.2- 0.1+ 210906 L01 0.5+ 0.2- 210907 L27 0.4+ 1.1+ 210905 246 0.5- 1.0- 210906 L01 0.0 0.6- --