February 05, 2015A14:22:44 UT Orbit-1 Orbital elements: C/2015 B1 (PANSTARRS) T 2016 Sept. 20.82883 TT Sato q 3.6997365 (2000.0) P Q Peri. 250.79826 -0.44521213 +0.89414152 Node 352.23281 -0.62869453 -0.35025685 e 1.0 Incl. 20.77093 -0.63759654 -0.27898221 From 16 observations 2015 Jan. 19-31, mean residual 0".52. L = 241.8, B = -19.6. Residuals in seconds of arc 150119 F51 0.1- 0.6+ 150121 F51 0.0 1.1- 150131 F51 0.5+ 0.5+ 150119 F51 0.1+ 0.4+ 150121 F51 0.2+ 0.5- 150131 F51 0.4+ 0.4+ 150119 F51 0.1- 1.0+ 150129 F51 0.4- 0.3- 150131 F51 0.6+ 0.7+ 150119 F51 0.1- 0.6+ 150129 F51 0.6- 0.5- 150131 F51 0.1+ 0.5+ 150121 F51 0.4+ 0.4- 150129 F51 0.2- 0.7- 150121 F51 0.2+ 0.6- 150129 F51 0.9- 0.6- Orbit-2 Orbital elements: C/2015 B1 (PANSTARRS) T 2014 Nov. 26.68199 TT Sato q 6.0303940 (2000.0) P Q n 0.03108484 Peri. 164.72069 -0.93033100 -0.36513628 a 10.0177519 Node 353.54920 +0.29660770 -0.69459994 e 0.3980292 Incl. 17.64473 +0.21565739 -0.61984386 P 31.71 From 16 observations 2015 Jan. 19-31, mean residual 0".19. 1/a = +0.0998228, Q = 14.01 AU, L = 159.0, B = +4.6. rA = 13.685 AU, rD = 6.092 AU. Residuals in seconds of arc 150119 F51 0.0 0.1- 150121 F51 0.2- 0.4- 150131 F51 0.1+ 0.0 150119 F51 0.1+ 0.3- 150121 F51 0.0 0.2+ 150131 F51 0.0 0.1- 150119 F51 0.1- 0.3+ 150129 F51 0.1+ 0.2+ 150131 F51 0.2+ 0.2+ 150119 F51 0.1- 0.1- 150129 F51 0.1- 0.0 150131 F51 0.3- 0.0 150121 F51 0.3+ 0.3+ 150129 F51 0.3+ 0.2- 150121 F51 0.0 0.1+ 150129 F51 0.4- 0.2- --