March 29, 2015A11:15:55 UT Orbital elements: C/2015 F3 (SWAN) T 2015 Mar. 9.35324 TT Sato q 0.8317159 (2000.0) P Q z +0.0142155 Peri. 57.66024 +0.32738710 -0.79956945 Node 31.71419 +0.12567050 -0.49128017 e 0.9881768 Incl. 73.29385 +0.93649592 +0.34544534 From 78 observations 2015 Mar. 24-29, mean residual 0".71. Q = 139.86 AU, L = 56.1, B = +54.0. Residuals in seconds of arc (or two decimals in units of degrees) 150305 249(0.35- 0.19+)X 150325 J95 0.2- 0.2+ 150326 A77 0.4+ 0.4- 150306 249(0.45- 0.14+)X 150325 J95 0.1- 0.4+ 150326 D81 0.6+ 1.4+ 150307 249(0.12- 0.08+)X 150325 H06 0.2+ 1.6+ 150326 X75 0.2- 0.8- 150308 249(0.20+ 0.02+)X 150325 H06 0.0 1.0+ 150326 A77 0.3+ 0.9+ 150316 249(0.34+ 0.83+)X 150325 H06 0.1+ 0.3+ 150326 X75 0.2- 1.6- 150317 249(0.36+ 1.05+)X 150325 152 1.4- 0.4- 150326 D81 0.5- 1.8+ 150318 249(0.34+ 1.43+)X 150325 152 0.4- 1.5- 150326 J95 0.7+ 0.9- 150319 249(0.07+ 1.30+)X 150325 349 0.4+ 1.0+ 150326 J95 0.0 0.6- 150324 A71 0.4+ 1.2+ 150325 349 0.2+ 0.6+ 150326 J95 0.4+ 0.0 150324 A71 0.2- 0.1+ 150325 152 1.3- 1.6- 150327 C23 0.2+ 1.0- 150324 A71 0.3- 0.3+ 150325 349 0.2+ 1.0+ 150327 C23 0.4- 0.6- 150324 A71 0.3- 1.0- 150325 349 0.1+ 0.4+ 150327 C23 0.2- 0.7- 150324 A71 0.4- 0.5- 150325 372 0.9- 0.2+ 150327 C23 0.0 1.4- 150324 A71 1.4+ 0.8- 150325 152 0.9- 0.1- 150327 D81 0.4- 1.8+ 150324 A71 0.2+ 0.6- 150325 372 1.0- 0.2+ 150327 C23 0.5+ 0.8- 150324 A71 0.2+ 0.1- 150325 Z82 0.1- 1.6+ 150327 D81 0.7- 0.3+ 150324 J95 0.1- 0.4+ 150325 372 0.4- 0.2+ 150327 C23 0.3+ 0.1- 150324 J95 0.2- 0.5- 150325 Z82 1.6+ 1.1+ 150327 D81 0.1+ 0.0 150324 J95 0.1- 0.6- 150325 152 (0.4+ 4.5-) 150327 D95 0.5+ 0.7+ 150324 J95 0.1+ 0.5+ 150325 372 0.7- 0.1+ 150327 D95 1.4+ 0.7- 150324 J95 0.3+ 0.4+ 150326 C23 0.1- 0.5- 150327 C23 0.4+ 0.3- 150325 L04 0.2+ 0.1+ 150326 C23 0.0 0.7- 150327 D95 1.0+ 0.9+ 150325 L04 0.2+ 0.4- 150326 C23 0.1+ 0.2- 150327 C23 0.2+ 1.2- 150325 L04 0.7+ 0.2+ 150326 C23 0.2+ 1.5- 150328 X75 0.4- 0.6- 150325 L04 0.4- 1.3- 150326 C23 0.2- 0.9- 150328 X75 0.9- 0.5- 150325 L04 0.3+ 0.2+ 150326 C23 0.2- 0.5- 150329 A77 0.8- 1.3+ 150325 L04 0.3- 0.7- 150326 A77 0.6+ 0.5+ 150329 A77 0.2- 0.7- 150325 J95 0.1+ 0.3+ 150326 D81 0.5+ 1.8+ 150329 A77 0.4+ 0.7+ 150325 J95 0.0 0.5+ 150326 A77 (1.1+ 2.1+) 150325 J95 0.1+ 0.3+ 150326 D81 0.7- 0.9+ 3 March 27, 2015A22:34:48 UT Orbit-1 Orbital elements: C/2015 F3 (SWAN) = SWAN01 T 2015 Mar. 9.21340 TT Sato q 0.8360687 (2000.0) P Q Peri. 57.22162 +0.33562883 -0.79671183 Node 31.61840 +0.12666416 -0.49053048 e 1.0 Incl. 73.47175 +0.93343959 +0.35302990 From 59 observations 2015 Mar. 24-27, mean residual 0".65. L = 55.5, B = +53.7. Orbit-2 Orbital elements: C/2015 F3 (SWAN) = SWAN01 T 2015 Mar. 9.03776 TT Sato q 0.8250780 (2000.0) P Q n 0.00877841 Peri. 57.27386 +0.32956844 -0.79688965 a 23.2733430 Node 31.94381 +0.13230152 -0.49200081 e 0.9645484 Incl. 73.12752 +0.93481600 +0.35057394 P 112 1/a = +0.0429676, Q = 45.72 AU, L = 56.2, B = +53.6. From 59 observations 2015 Mar. 24-27, mean residual 0".63. March 26, 2015A15:14:58 UT Orbital elements: SWAN01 = C/2015 Fx (SWAN)? T 2015 Mar. 8.94974 TT Sato q 0.8339039 (2000.0) P Q z +0.0113118 Peri. 56.77280 +0.34086734 -0.79359652 Node 31.71989 +0.13126941 -0.49067447 e 0.9905671 Incl. 73.45491 +0.93090160 +0.35978205 From 42 observations 2015 Mar. 24-26, mean residual 0".57. March 25, 2015A15:26:06 UT Orbit-1 Orbital elements: SWAN01 T 2015 Mar. 10.32590 TT Sato q 0.8310572 (2000.0) P Q Peri. 59.62735 +0.29942767 -0.81225609 Node 31.55094 +0.11084007 -0.49148959 e 1.0 Incl. 73.07139 +0.94765898 +0.31413060 From 27 observations 2015 Mar. 24-25, mean residual 0".48. Orbit-2 Orbital elements: SWAN01 Epoch 2015 Apr. 8.0 TT = JDT 2457120.5 T 2015 Mar. 10.30998 TT Sato q 0.8304483 (2000.0) P Q z +0.0027589 Peri. 59.61891 +0.29927721 -0.81216995 Node 31.56986 +0.11119635 -0.49160611 e 0.9977089 Incl. 73.05653 +0.94766477 +0.31417097 From 27 observations 2015 Mar. 24-25, mean residual 0".48. --