2021 November 10, 22:58:55 UT Orbital elements: C/2021 U5 (Catalina) Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 T 2022 Jan. 25.68447 TT Sato q 2.3700286 (2000.0) P Q z +0.0011469 Peri. 321.02467 -0.80103310 -0.59777958 +/-0.0043038 Node 182.88627 +0.56935344 -0.77716143 e 0.9972818 Incl. 39.03181 -0.18488547 +0.19667151 From 59 observations 2021 Oct. 29-Nov. 10, mean residual 0".50. Epoch 2021 Dec. 12.0 TT = JDT 2459560.5 T 2022 Jan. 25.68774 TT Sato q 2.3700249 (2000.0) P Q z +0.0011660 Peri. 321.02569 -0.80104505 -0.59776349 +/-0.0043038 Node 182.88642 +0.56933778 -0.77717341 e 0.9972367 Incl. 39.03173 -0.18488192 +0.19667308 Residuals in seconds of arc 211029 703 0.7- 0.1- 211103 807 0.0 0.1+ 211106 F65 0.9+ 0.0 211029 703 0.5+ 0.8- 211103 807 0.0 0.2+ 211107 807 0.5- 0.0 211029 703 0.4- 1.0+ 211103 I52 0.1+ 0.3+ 211107 807 0.4- 0.2+ 211029 703 0.9- 1.7+ 211103 I52 0.7- 0.2+ 211107 807 0.2- 0.2+ 211029 I52 0.5+ 0.7- 211103 I52 0.7- 0.3- 211107 H06 1.1- 1.4- 211029 I52 0.0 0.2+ 211103 I52 1.1- 0.1- 211107 H06 0.8+ 1.3- 211030 L01 1.1+ 0.7- 211104 G40 0.0 0.2+ 211107 H06 0.8+ 0.1- 211030 L01 0.3- 0.4- 211104 G40 0.0 0.2- 211108 H06 0.4- 0.1+ 211030 L01 0.5- 0.1- 211104 X74 0.1+ 0.5+ 211108 H06 0.8- 0.1- 211030 L01 0.3+ 0.4- 211104 807 0.2- 0.0 211109 807 0.4- 0.8- 211030 L01 0.7+ 0.5- 211104 X74 0.3+ 0.6+ 211109 807 0.8+ 0.1- 211030 807 0.3+ 0.2+ 211104 807 0.2- 0.3+ 211109 807 0.0 0.1+ 211030 807 0.1- 0.0 211104 X74 1.0+ 0.1- 211109 T08 0.7- 0.4+ 211030 807 0.0 0.1- 211104 807 0.1- 0.4+ 211109 T08 1.1+ 0.6+ 211031 807 0.0 0.0 211104 I52 0.0 0.1+ 211109 T08 0.4+ 0.1- 211031 807 0.1+ 0.1- 211104 I52 0.2- 0.0 211109 T08 0.0 0.2+ 211031 807 0.2+ 0.2+ 211106 204 0.0 0.1- 211110 Q11 0.2- 0.3+ 211103 W88 0.2- 0.2+ 211106 204 0.2- 0.0 211110 Q11 0.2- 0.3+ 211103 W88 0.2- 0.2- 211106 F65 0.8+ 0.1- 211110 Q11 0.2- 0.2+ 211103 807 0.1+ 0.0 211106 F65 0.8+ 0.0 2021 November 10, 02:49:10 UT Orbital elements: C/2021 U5 (Catalina) Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 T 2022 Jan. 26.05944 TT Sato q 2.3670581 (2000.0) P Q z +0.0028168 Peri. 321.20688 -0.80247180 -0.59588038 +/-0.0050400 Node 182.82786 +0.56760890 -0.77838517 e 0.9933324 Incl. 39.03893 -0.18400858 +0.19759324 From 56 observations 2021 Oct. 29-Nov. 9, mean residual 0".51. --