March 31, 2015A23:56:38 UT Orbital elements: C/2015 F2 (Polonia) = POL0001 Epoch 2015 Apr. 8.0 TT = JDT 2457120.5 T 2015 Apr. 28.85304 TT Sato q 1.2108620 (2000.0) P Q z +0.0238148 Peri. 352.07422 -0.24793677 +0.84349474 Node 262.57324 -0.86039699 -0.41777554 e 0.9711635 Incl. 28.71953 -0.44524643 +0.33760957 Q = 82.77 AU, L = 255.6, B = -3.8. From 65 observations 2015 Mar. 23-31, mean residual 0".54. Residuals in seconds of arc 150323 W98 0.0 1.9+ 150323 Q62 1.6- 0.5- 150324 Q62 0.0 0.2- 150323 W98 1.3+ 1.6+ 150323 Q62 1.1+ 0.1+ 150324 Q62 0.8- 0.4- 150323 W98 1.0+ 1.0- 150323 Q64 0.1+ 0.3- 150324 Q62 0.2+ 0.3- 150323 474 0.2- 0.1+ 150323 Q62 0.8+ 0.2+ 150325 Q62 0.4- 0.5+ 150323 474 0.7- 0.2+ 150324 K95 0.3- 0.1+ 150325 Q62 0.4- 0.2- 150323 474 0.2- 0.0 150324 K95 0.5- 0.5- 150326 I39 1.3+ 0.4+ 150323 474 0.5- 0.2+ 150324 K95 1.0- 0.5- 150326 I39 0.3+ 0.1- 150323 474 0.2- 0.0 150324 Q62 0.0 1.0+ 150326 I39 0.9+ 0.4+ 150323 474 0.0 0.0 150324 Q62 0.0 0.4+ 150326 Y00 1.0- 0.1+ 150323 Q62 0.2- 0.9- 150324 Q62 1.0- 0.1+ 150326 Y00 0.3- 0.9- 150323 Q62 0.1- 0.4- 150324 Q62 0.6+ 0.7+ 150326 Q62 0.8+ 0.9+ 150323 Q62 0.7- 0.3- 150324 Q62 0.5+ 0.0 150326 Q62 0.0 0.1- 150323 Q62 0.6+ 0.1+ 150324 Q62 0.3+ 1.2- 150326 Q62 0.6- 0.2+ 150323 Q62 0.5+ 0.3+ 150324 E23 0.1+ 1.0- 150326 Q62 0.2- 0.5+ 150323 Q64 0.0 0.1- 150324 E23 0.1+ 0.5- 150326 Q62 0.1+ 0.0 150323 Q64 0.3+ 0.1- 150324 Q62 0.1+ 0.4+ 150326 Q62 0.1+ 0.0 150323 Q62 0.4- 0.2+ 150324 Q62 0.1- 0.6+ 150326 Q62 0.0 0.1+ 150323 Q64 0.1+ 0.0 150324 Q62 0.2- 0.0 150328 W96 0.6+ 0.0 150323 Q64 0.0 0.2- 150324 Q62 0.1+ 0.1- 150328 W96 0.1- 0.3- 150323 Q62 0.4+ 0.2+ 150324 Q62 0.4+ 0.3- 150331 W96 0.4+ 0.1+ 150323 Q62 0.2+ 0.1+ 150324 Q62 0.9- 0.4- 150331 W96 0.6- 0.1- 150323 Q64 0.1+ 0.4- 150324 Q62 0.1+ 0.2- March 24, 2015A14:49:14 UT Orbital elements: POL0001 T 2015 Apr. 30.56795 TT Sato q 1.2067485 (2000.0) P Q Peri. 354.45648 -0.21531644 +0.84704112 Node 262.38686 -0.87606785 -0.38740536 e 1.0 Incl. 29.35931 -0.43144403 +0.36392090 From 47 observations 2015 Mar. 23-24, mean residual 0".53. Orbital elements: POL0001 T 2015 May 1.67161 TT Sato q 1.1816466 (2000.0) P Q n 0.04012141 Peri. 355.84291 -0.22536545 +0.85126581 a 8.4505557 Node 260.61526 -0.87945848 -0.38704609 e 0.8601694 Incl. 28.70519 -0.41924121 +0.35431886 P 24.57 From 47 observations 2015 Mar. 23-24, mean residual 0".52. March 24, 2015A14:49:14 UT Orbital elements: POL0001 T 2015 Apr. 30.67708 TT Sato q 1.2062376 (2000.0) P Q Peri. 354.59266 -0.21351775 +0.84730903 Node 262.37316 -0.87692862 -0.38562105 e 1.0 Incl. 29.38200 -0.43058839 +0.36519011 From 29 observations 2015 Mar. 23-24, mean residual 0".52. --