2021 January 10, 04:52:32 UT Orbital elements: C/2020 X4 (Leonard) Epoch 2020 Nov. 7.0 TT = JDT 2459160.5 T 2020 Nov. 11.74206 TT Sato q 5.2092608 (2000.0) P Q n 0.00312126 Peri. 139.59615 +0.69053062 +0.65525919 a 46.3712929 Node 161.90733 -0.56479373 +0.22395173 e 0.8876619 Incl. 80.47416 +0.45185784 -0.72144370 P 315.77 From 79 observations 2020 Dec. 14-2021 Jan. 5, mean residual 0".58. Epoch 2021 Jan. 26.0 TT = JDT 2459240.5 T 2020 Nov. 11.86851 TT Sato q 5.2093056 (2000.0) P Q n 0.00311473 Peri. 139.61074 +0.69069497 +0.65506912 a 46.4361523 Node 161.90529 -0.56473435 +0.22404466 e 0.8878179 Incl. 80.47694 +0.45168084 -0.72158745 P 316.43 Residuals in seconds of arc 201214 G96 0.2- 0.5+ 201217 F51 0.1- 0.2- 201222 I52 0.1- 0.2+ 201214 G96 0.0 0.1+ 201217 F51 0.0 0.1- 201222 I52 0.1+ 0.4+ 201214 G96 0.3+ 0.1- 201217 587 0.6+ 0.5+ 201222 I52 0.0 0.5+ 201214 G96 0.3- 0.2+ 201217 587 0.8+ 0.2+ 201223 I52 0.1- 0.4- 201214 I52 0.0 0.1+ 201217 587 0.6+ 1.1+ 201223 I52 0.1+ 0.3+ 201214 I52 0.4- 0.0 201218 215 1.2- 1.6+ 201223 I52 0.3+ 0.1- 201214 I52 1.5+ 0.2- 201218 215 0.8- 0.8+ 201226 691 (2.2+ 1.3-) 201214 I52 0.6+ 1.0- 201218 215 0.4+ 0.5- 201226 691 0.5- 0.5+ 201214 L06 0.0 1.3- 201219 V06 0.8- 0.7+ 201226 691 0.0 0.2- 201214 L06 0.2- 1.1- 201219 V06 0.3- 0.1- 201226 N51 0.7+ 0.9- 201214 L06 0.8- 1.3- 201219 V06 0.1- 0.1+ 201226 N51 0.7+ 1.0- 201215 L01 0.0 0.2+ 201219 V06 0.6- 0.5+ 201226 N51 0.7+ 1.1- 201215 L01 0.0 0.0 201220 H36 0.0 0.6+ 201226 N51 0.6+ 1.0- 201215 L01 0.2+ 0.2+ 201220 H36 0.3- 0.6+ 201226 N51 0.5+ 1.1- 201215 L01 0.7+ 0.3+ 201220 H36 0.3- 0.3+ 201231 J95 1.1- 0.2- 201215 B96 1.5+ 0.2- 201220 I52 0.3- 0.1+ 201231 J95 0.7- 0.2- 201215 B96 1.4+ 0.3- 201220 I52 0.4- 0.1+ 201231 J95 0.1+ 0.0 201216 I52 0.0 0.7- 201220 691 0.1+ 0.3+ 210102 I52 1.1+ 0.5- 201216 I52 0.4- 0.2- 201220 I52 0.4- 0.6+ 210102 I52 0.1+ 0.6+ 201216 I52 0.1- 0.2+ 201220 I52 0.1- 0.7- 210102 I52 0.1+ 0.5+ 201216 I52 0.7- 0.6+ 201220 691 0.5- 0.7+ 210103 I52 0.4- 1.1+ 201217 H06 0.6- 0.2+ 201220 691 0.2- 0.2+ 210103 I52 0.4+ 0.7+ 201217 H06 0.6- 0.2+ 201221 I52 0.6- 0.2- 210103 I52 0.3+ 0.3+ 201217 I52 0.2- 0.2+ 201221 I52 0.2+ 0.9- 210103 I52 0.3+ 0.4+ 201217 I52 0.2- 0.7+ 201221 I52 0.1+ 0.9- 210105 H06 0.5- 0.3- 201217 I52 0.6- 0.2+ 201221 I52 1.1+ 0.5- 210105 H06 0.7- 0.6- 201217 F51 0.6- 0.1+ 201222 I52 0.7+ 0.6- --