July 02, 2004 23:10:45 UT Orbit-1 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6773 TT Sato q 0.776015 (2000.0) P Q Peri. 269.0247 +0.1933568 +0.7375918 Node 317.2391 +0.5938323 -0.6128964 e 1.0 Incl. 107.6525 -0.7810098 -0.2834014 From 34 observations 2004 May 21-July 1, mean residual 0".99. Residuals in seconds of arc 040516 D82 (1.0- 9.7-) 040607 D87 1.0+ 1.4+ 040624 I05 0.4- 0.8+ 040521 247 0.5- 1.6- 040607 D87 0.1+ 0.5+ 040624 I05 0.5- 0.4+ 040521 247 0.1- 1.2- 040607 D87 0.2+ 1.0+ 040626 D86 0.5- 0.2- 040521 247 (2.7- 1.1-) 040613 247 0.7- 1.3- 040626 D86 1.6+ 0.6- 040521 247 (4.8+ 1.4-) 040615 I05 0.2+ 1.6+ 040626 D86 (3.7- 3.5-) 040525 D87 0.6+ 1.2- 040615 I05 0.1+ 1.8+ 040627 304(15.0- 1.5-) 040525 D87 1.1- 0.6+ 040615 I05 0.1+ 1.5+ 040630 360 0.0 0.8- 040525 D87 1.4+ 0.8+ 040615 I05 0.2- 1.4+ 040630 360 0.1- 0.7- 040525 D87 1.3+ 1.1+ 040615 I05 0.2- 2.0+ 040630 360 0.3- 0.6- 040527 E13 0.2+ 1.9- 040621 D86 (3.6- 2.4-) 040701 349 0.3- 1.2- 040527 E13 0.4- 2.0- 040621 D86 0.9+ 0.6- 040701 349 0.2- 1.2- 040527 E13 1.2- 2.2- 040623 I05 0.7- 1.3+ 040701 349 0.0 1.2- 040607 D87 0.8+ 0.7+ 040623 I05 0.6- 0.9+ 040607 D87 1.4+ 0.8+ 040624 I05 1.1- 0.3+ Orbit-2 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6839 TT Sato q 0.776175 (2000.0) P Q z -0.000711 Peri. 269.0395 +0.1936143 +0.7375866 Node 317.2428 +0.5937526 -0.6130048 e 1.000395 Incl. 107.6598 -0.7810066 -0.2831805 From 30 observations 2004 May 21-July 1, mean residual 0".61. Residuals in seconds of arc 040516 D82 (0.8- 6.5-) 040607 D87 0.4+ 0.0 040624 I05 0.1- 0.5+ 040521 247 0.6- 0.5- 040607 D87 0.5- 0.9- 040624 I05 0.3- 0.1+ 040521 247 0.2- 0.0 040607 D87 0.3- 0.4- 040626 D86 0.2- 0.1- 040521 247 (2.8- 0.1+) 040613 247 (1.0- 2.6-) 040626 D86 1.9+ 0.5- 040521 247 (4.7+ 0.3-) 040615 I05 0.1- 0.4+ 040626 D86 (3.4- 3.5-) 040525 D87 0.2+ 1.2- 040615 I05 0.1- 0.6+ 040627 304(14.7- 1.3-) 040525 D87 1.4- 0.6+ 040615 I05 0.1- 0.3+ 040630 360 0.1+ 0.0 040525 D87 1.0+ 0.9+ 040615 I05 0.4- 0.1+ 040630 360 0.1+ 0.1+ 040525 D87 1.0+ 1.1+ 040615 I05 0.4- 0.8+ 040630 360 0.1- 0.2+ 040527 E13 (0.3- 2.3-) 040621 D86 (3.4- 3.0-) 040701 349 0.2- 0.2- 040527 E13 (0.8- 2.4-) 040621 D86 1.0+ 1.2- 040701 349 0.1- 0.2- 040527 E13 (1.6- 2.5-) 040623 I05 0.5- 0.8+ 040701 349 0.0 0.2- 040607 D87 0.2+ 0.8- 040623 I05 0.4- 0.4+ 040607 D87 0.9+ 0.6- 040624 I05 0.8- 0.1- 247 long. = 138o40'58", lat. = -31o08'26": M. Mattiazzo, May 21. 247 long. = 143o18'.4 , lat. = -18o30'.4 : T. Tanaka, June 13. 304 Las Campanas : ASAS-3 June 26, 2004 04:22:11 UT Orbit-1 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6794 TT Sato q 0.776033 (2000.0) P Q Peri. 269.0289 +0.1934217 +0.7375625 Node 317.2378 +0.5937891 -0.6129547 e 1.0 Incl. 107.6530 -0.7810266 -0.2833517 From 26 observations 2004 May 21-June 24, mean residual 0".93. Orbit-2 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6842 TT Sato q 0.776165 (2000.0) P Q z -0.000442 Peri. 269.0400 +0.1936198 +0.7375682 Node 317.2414 +0.5937365 -0.6130270 e 1.000343 Incl. 107.6591 -0.7810175 -0.2831802 From 24 observations 2004 May 21-June 24, mean residual 0".74. June 13, 2004 14:28:15 UT Orbit-1 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6796 TT Sato q 0.776046 (2000.0) P Q Peri. 269.0301 +0.1934312 +0.7375742 Node 317.2392 +0.5937797 -0.6129514 e 1.0 Incl. 107.6530 -0.7810314 -0.2833282 From 14 observations 2004 May 21-June 7, mean residual 0".92. Orbit-2 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6928 TT Sato q 0.776122 (2000.0) P Q Peri. 269.0541 +0.1938538 +0.7373347 Node 317.2257 +0.5935272 -0.6133593 e 1.0 Incl. 107.6581 -0.7811186 -0.2830688 From 15 observations 2004 May 21-June 7, mean residual 0".97. Orbit-3 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6763 TT Saato q 0.775922 (2000.0) P Q z +0.000479 Peri. 269.0222 +0.1932747 +0.7375526 Node 317.2352 +0.5937937 -0.6129179 e 0.999628 Incl. 107.6466 -0.7810595 -0.2834567 From 14 observations 2004 May 21-June 7, mean residual 0".90. 247 long. = 138o40'58", lat. = -31o08'26": M. Mattiazzo, May 21. June 09, 2004 12:39:11 UT Orbit-1 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6930 TT Sato q 0.776121 (2000.0) P Q Peri. 269.0545 +0.1938604 +0.7373289 Node 317.2253 +0.5935222 -0.6133677 e 1.0 Incl. 107.6581 -0.7811207 -0.2830657 From 15 observations 2004 May 21-June 7, mean residual 0".95. Orbit-2 Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.6983 TT Sato q 0.776662 (2000.0) P Q Peri. 269.0723 +0.1942725 +0.7376263 Node 317.2552 +0.5936697 -0.6131949 e 1.001808 Incl. 107.6851 -0.7809062 -0.2826649 From 12 observations 2004 May 16-June 7, mean residual 0".70. May 28, 2004 11:59:30 UT Orbital elements: C/2004 H6 (SWAN) T 2004 May 12.7577 TT Sato q 0.776267 (2000.0) P Q Peri. 269.1672 +0.1957058 +0.7361451 Node 317.1573 +0.5921974 -0.6153349 e 1.0 Incl. 107.6687 -0.7816659 -0.2818748 From 9 observations 2004 May 21-27, mean residual 0".99. May 27, 2004 13:26:53 UT Orbital elements: SWAN1 T 2004 May 1.03 TT Sato q 0.7425 (2000.0) P Q Peri. 248.06 -0.16172 +0.81694 Node 324.91 +0.74033 -0.27048 e 1.0 Incl. 105.66 -0.65250 -0.50936 From 5 observations 2004 May 5-21, mean residual 4'.47.