2020 May 8, 22:32:25 UT Orbital elements: C/2020 H2 (Pruyne) Epoch 2020 Apr. 21.0 TT = JDT 2458960.5 T 2020 Apr. 27.54240 TT Sato q 0.8334844 (2000.0) P Q z +0.0119427 Peri. 26.57484 -0.13677669 -0.56747845 +/-0.0025225 Node 277.55885 -0.99015043 +0.05357483 e 0.9900459 Incl. 125.00860 -0.02990432 +0.82164344 From 55 observations 2020 Apr. 26-May 6, mean residual 0".68. Epoch 2020 May 31.0 TT = JDT 2459000.5 T 2020 Apr. 27.54241 TT Sato q 0.8334859 (2000.0) P Q z +0.0119657 Peri. 26.57502 -0.13677818 -0.56747852 +/-0.0025225 Node 277.55888 -0.99015030 +0.05357780 e 0.9900268 Incl. 125.00862 -0.02990179 +0.82164320 Residuals in seconds of arc 200426 703 0.5- 0.8+ 200427 850 0.4- 0.2- 200428 C73 1.0- 0.2- 200426 703 (0.6- 2.8+) 200427 850 0.8- 0.2+ 200428 C73 0.5+ 0.7- 200426 703 0.9+ 1.6+ 200427 850 0.4- 0.4+ 200428 G40 0.5+ 0.9- 200426 T08 0.1+ 0.2+ 200427 X02 0.8- 1.5- 200428 G40 0.2- 0.5- 200426 T08 0.5- 0.5+ 200427 H06 0.2+ 0.5- 200428 G40 0.1- 0.2- 200426 T08 0.2- 0.0 200427 H06 0.4+ 0.0 200428 H06 0.6+ 0.3- 200426 T08 0.5- 0.7- 200427 H06 0.2- 0.2- 200428 H06 0.2- 1.1+ 200427 A71 1.0+ 0.2+ 200427 H06 1.4+ 0.4+ 200428 H06 0.8+ 0.0 200427 A71 0.7+ 1.6+ 200427 H06 0.0 0.0 200428 I52 0.1- 1.1- 200427 A71 0.1+ 0.7+ 200427 H06 0.1+ 0.6- 200428 I52 0.3- 1.3- 200427 A71 0.4+ 0.1+ 200427 U69 0.1- 0.5- 200429 A77 0.0 0.4+ 200427 L01 0.6- 0.6- 200427 U69 0.2- 0.4- 200429 A77 0.2+ 0.2+ 200427 A71 1.1+ 0.5+ 200427 U69 0.5+ 0.3+ 200429 A77 0.2+ 0.3+ 200427 L01 0.4- 0.4+ 200427 Q38 (0.5+ 3.0+) 200429 349 0.8- 0.1+ 200427 L01 0.9- 0.7- 200427 Q38 (0.4- 3.2+) 200429 349 1.6- 0.9- 200427 L01 1.0- 0.8- 200427 Q38 (3.4+ 4.4+) 200429 Q23 0.6+ 1.0+ 200427 L01 0.0 0.5- 200427 Q38 (1.1+ 4.3+) 200429 Q23 0.7+ 1.1+ 200427 G40 0.9+ 0.8- 200428 C73 0.9+ 1.4+ 200506 I72 0.0 0.1- 200427 G40 0.9- 0.4- 200428 C73 0.6+ 0.2+ 200506 I72 (9.0+ 1.2-) 200427 850 0.2- 0.3- 200428 C73 0.2- 0.0 200506 I72 (3.2- 1.2-) 200427 X02 0.6+ 0.8- 200428 C73 1.1- 1.6+ 2020 April 28, 23:08:58 UT Orbital elements: C/2020 H2 (Pruyne) = C166T11 T 2020 Apr. 27.62087 TT Sato q 0.8337181 (2000.0) P Q Peri. 26.76681 -0.13696454 -0.56835771 Node 277.68215 -0.99019539 +0.05585462 e 1.0 Incl. 125.05022 -0.02745561 +0.82088353 From 47 observations 2020 Apr. 26-28, mean residual 0".66. 2020 April 28, 08:00:16 UT Orbital elements: C166T11 T 2020 Apr. 27.63682 TT Sato q 0.8335948 (2000.0) P Q Peri. 26.84141 -0.13790840 -0.57081658 Node 277.74049 -0.99007015 +0.05696840 e 1.0 Incl. 125.22869 -0.02724664 +0.81909892 From 40 observations 2020 Apr. 26-28, mean residual 0".68. --