2022 Mach 21, 21:29:46 UT Orbital elements: C/2022 E3 (ZTF) = ZTF0Nf7 Epoch 2023 Jan. 16.0 TT = JDT 2459960.5 T 2023 Jan. 12.84966 TT Sato q 1.1118625 (2000.0) P Q z +0.0002442 Peri. 145.85253 -0.60087841 -0.07291242 +/-0.0021471 Node 302.56199 +0.33798380 +0.87925691 e 0.9997285 Incl. 109.18374 +0.72437013 -0.47073461 From 62 observations 2022 Mar. 2-21, mean residual 0".34. Epoch 2022 Apr. 11.0 TT = JDT 2459680.5 T 2023 Jan. 12.86760 TT Sato q 1.1119190 (2000.0) P Q z +0.0003722 Peri. 145.85454 -0.60086943 -0.07287525 +/-0.0021471 Node 302.56073 +0.33802613 +0.87924753 e 0.9995862 Incl. 109.18395 +0.72435783 -0.47075787 Residuals in seconds of arc 220302 I41 0.1- 0.0 220319 H06 0.1- 0.2- 220320 Z17 0.3+ 0.2+ 220302 I41 0.2- 0.1+ 220319 H06 0.3- 0.3+ 220320 Y00 0.0 0.4- 220302 I41 0.1- 0.1+ 220319 H06 0.1- 0.2- 220320 Y00 0.8+ 0.1- 220302 I41 0.1- 0.0 220319 H06 0.0 0.1+ 220320 I47 0.8- 0.3+ 220302 I41 0.0 0.1+ 220320 L01 0.2- 0.0 220320 I47 0.6- 0.5- 220303 H06 0.3+ 0.1+ 220320 L01 0.0 0.3+ 220320 I47 0.9- 0.7- 220303 H06 0.2+ 0.3- 220320 204 0.3- 0.1+ 220320 X02 0.2+ 0.1- 220318 T05 0.2- 0.0 220320 K63 0.1- 0.1+ 220320 X02 0.6+ 0.1+ 220318 T05 0.2+ 0.0 220320 G06 (2.1- 2.7-) 220320 H06 0.6+ 0.5+ 220318 T05 0.2+ 0.4+ 220320 204 0.1- 0.2+ 220320 H06 0.1+ 0.2- 220318 T05 0.2- 0.2+ 220320 L01 0.5- 0.4+ 220320 H06 0.1+ 0.1+ 220319 J95 0.0 0.0 220320 L01 0.0 0.3+ 220320 H06 0.6- 0.2- 220319 J95 0.3- 0.1- 220320 K63 0.5- 0.2+ 220320 H06 0.2+ 0.2+ 220319 J95 0.0 0.4+ 220320 L01 0.5- 0.0 220320 H06 0.2+ 0.0 220319 J95 0.1- 0.5+ 220320 204 0.3- 0.0 220321 104 0.2+ 0.4- 220319 Y00 0.5+ 0.4- 220320 G06 (2.6- 3.2-) 220321 I81 0.4- 0.0 220319 Y00 1.0+ 0.1- 220320 K63 0.5+ 0.3- 220321 I81 0.4+ 0.3- 220319 H06 0.2+ 0.1- 220320 I81 0.1+ 0.1+ 220321 104 0.3+ 0.4+ 220319 H36 0.1+ 0.1+ 220320 G06 (2.1- 4.1-) 220321 I81 0.1- 1.0+ 220319 H06 0.2+ 0.1- 220320 I81 0.5- 0.1- 220321 G40 0.3- 0.2+ 220319 H36 0.2- 0.2- 220320 I81 0.6+ 1.0- 220321 G40 0.6+ 0.2- 220319 H06 0.2- 0.1- 220320 Z17 0.2+ 0.0 2022 Mach 20, 14:31:33 UT Orbital elements: ZTF0Nf7 Epoch 2023 Jan. 16.0 TT = JDT 2459960.5 T 2023 Jan. 13.67194 TT Sato q 1.1106962 (2000.0) P Q z +0.0039694 Peri. 146.07284 -0.60103720 -0.07058703 +/-0.0027238 Node 302.55484 +0.34144877 +0.87793249 e 0.9955912 Incl. 109.17830 +0.72261125 -0.47355255 From 51 observations 2022 Mar. 2-20, mean residual 0".32. --