2021 January 23, 02:27:16 UT Orbital elements: C/2021 B2 (PANSTARRS) Epoch 2021 Apr. 16.0 TT = JDT 2459320.5 T 2021 May 4.17453 TT Sato q 2.5177534 (2000.0) P Q z +0.0004948 Peri. 334.97021 -0.17181740 -0.82872046 +/-0.0005173 Node 120.41798 +0.97540604 -0.21888669 e 0.9987543 Incl. 38.14495 +0.13806462 +0.51508351 From 31 observations 2020 Dec. 24-2021 Jan. 18, mean residual 0".35. Epoch 2021 Jan. 26.0 TT = JDT 2459240.5 T 2021 May 4.18371 TT Sato q 2.5177370 (2000.0) P Q z +0.0005397 Peri. 334.97310 -0.17185581 -0.82871036 +/-0.0005173 Node 120.41775 +0.97539572 -0.21893266 e 0.9986411 Incl. 38.14512 +0.13808974 +0.51508021 Residuals in seconds of arc 201224 F51 0.2- 0.1- 210118 807 0.1+ 0.1+ 210118 568 0.3- 0.0 201224 F51 0.2+ 0.1+ 210118 I52 0.1- 0.3- 210118 568 0.3- 0.0 210112 703 (0.3+ 4.8+) 210118 I52 0.5+ 0.1- 210118 E10 0.3- 0.1+ 210112 703 0.5- 0.4+ 210118 I52 0.9+ 0.1+ 210118 E10 0.4- 0.1+ 210112 703 0.8+ 0.3- 210118 I52 0.1+ 0.1+ 210118 E10 0.4- 0.0 210117 F51 0.6- 0.1- 210118 H36 0.4+ 0.3+ 210118 Q62 0.3- 0.8- 210117 F51 0.3- 0.0 210118 H36 0.7+ 0.3+ 210118 Q62 0.2- 0.4- 210117 F51 0.2- 0.0 210118 X02 0.1- 0.1+ 210118 Q62 0.3- 0.5- 210117 F51 0.5- 0.0 210118 X02 0.0 0.2+ 210118 G40 0.3+ 0.3+ 210118 807 0.2- 0.1- 210118 H36 0.9+ 0.0 210118 G40 0.4+ 0.5+ 210118 807 0.0 0.3+ 210118 568 0.3- 0.1- --