Orbital elements: C/2025 R2 (SWAN) = SWAN25B T 2025 Sept. 12.38113 TT Sato q 0.5028583 (2000.0) P Q Peri. 307.18292 +0.22904262 +0.97290069 Node 335.99985 -0.86659032 +0.18897485 e 1.0 Incl. 4.46741 -0.44335167 +0.13323948 From 72 observations 2025 Sept. 12-14, mean residual 0".57. Residuals in seconds of arc (or two decimals in units of degrees) 250809 249(0.84- 0.13+)X 250903 C49(0.17- 0.02+)Y 250912 W94 0.6+ 0.5- 250811 249(0.27- 0.07-)X 250903 C49(0.11- 0.01+) 250912 X09 0.1+ 0.4+ 250813 C49(0.03+ 0.03-) 250903 C49(0.16- 0.03+)Y 250912 X09 0.8- 0.6+ 250813 249(0.08- 0.10-)X 250904 C49(0.19- 0.04+)Y 250912 X09 0.4- 0.2+ 250813 C49(0.06+ 0.05-) 250904 249(0.87+ 0.42-)Y 250912 X09 0.3+ 0.0 250814 C49(0.05+ 0.04-) 250905 C49(0.19- 0.04+)Y 250912 X07 0.2- 0.3+ 250814 249(0.16+ 0.16-)X 250905 C49(0.19- 0.06+)Y 250912 X07 0.6+ 0.7- 250814 C49(0.05+ 0.03-) 250905 249(1.33+ 0.04-)Y 250913 Q62 0.6- 0.7+ 250815 C49(0.04+ 0.02-) 250905 C49(0.22- 0.03+)Y 250913 Q62 0.4- 0.6+ 250815 C49(76.3+ 11.4-) 250906 C49(0.20- 0.04+)Y 250913 Q62 1.0- 0.2+ 250816 C49(0.01+ 0.04-) 250906 C49(0.23- 0.04+)Y 250913 M58 (2.4+ 1.2+) 250816 249(0.57+ 0.30-)X 250907 C49(0.23- 0.03+)Y 250913 M58 1.0+ 0.2- 250816 C49(0.03+ 0.02-) 250907 C49(0.22- 0.04+)Y 250913 194 0.5+ 0.1- 250817 C49(43.9+ 21.6-) 250908 C49(0.23- 0.06+)Y 250913 M21 0.0 0.6- 250817 249(0.44+ 0.22-)X 250908 249(0.66+ 0.34-)Y 250913 M58 1.2+ 0.2+ 250817 C49(0.03+ 0.02-) 250908 249(0.12+ 0.77-)X 250913 194 0.7+ 0.1+ 250818 C49 (2.6+ 44.9-)Y 250908 C49(0.27- 0.03+)Y 250913 194 0.5+ 0.1- 250818 C49(67.1+ 32.4+)Y 250909 C49(0.25- 0.04+)Y 250913 M58 0.9+ 0.4+ 250819 C49(0.01- 0.04-)Y 250909 249(0.33+ 0.90-)X 250913 M21 0.5+ 0.3+ 250819 C49(26.5- 46.7-)Y 250909 249(0.59+ 0.97-)Y 250913 194 0.1+ 0.4+ 250820 C49(0.03- 0.02-)Y 250909 C49(0.27- 0.06+)Y 250913 194 0.4- 0.3- 250820 249(0.92+ 0.36-)X 250909 C49(0.22- 0.06+) 250913 M21 0.1- 0.3+ 250820 C49(60.7- 19.3+)Y 250910 C49(0.26- 0.03+)Y 250913 194 0.4+ 0.5- 250821 C49(95.9- 89.6-)Y 250910 249(0.75+ 1.08-)Y 250913 X09 0.1- 0.0 250821 C49(85.6- 39.5-)Y 250910 C49(0.28- 0.06+)Y 250913 X07 0.0 0.7- 250822 249(1.19+ 0.42-)X 250911 C49(0.30- 0.04+)Y 250913 X09 0.6- 0.2+ 250822 C49(78.8- 50.4+)Y 250911 C49(0.30- 0.05+)Y 250913 X07 0.1- 0.1+ 250823 C49(0.04- 0.01-)Y 250911 247 (4.6+ 11.0-) 250913 W96 0.4+ 0.1+ 250823 249(0.65+ 0.22-)X 250911 247 (7.2+ 5.4+) 250913 X09 0.6+ 0.1- 250823 C49(0.04- 0.01+)Y 250912 Q71 1.1- 0.8+ 250913 W96 0.7+ 0.0 250824 C49(0.03- 0.02+)Y 250912 Q62 0.3- 0.1+ 250913 W96 0.5+ 0.4+ 250824 C49(0.06- 0.01+)Y 250912 Q62 0.0 0.3+ 250913 X09 0.1+ 0.1+ 250825 C49(0.06- 0.03+)Y 250912 Q62 0.2- 0.3+ 250914 247 (4.6+ 0.4+) 250825 249(1.12+ 0.38-)X 250912 Q62 0.1- 0.5+ 250914 247 0.3+ 0.2+ 250825 C49(0.05- 0.03+)Y 250912 Q62 0.4- 0.5+ 250914 247 1.9+ 0.6- 250826 C49(0.07- 0.00 )Y 250912 Q62 0.1- 0.3+ 250914 247 0.1+ 1.2+ 250826 C49(0.09- 0.01-)Y 250912 Q62 0.0 0.0 250914 M44 1.1- 0.3- 250827 C49(0.07- 0.02+)Y 250912 Q71 0.8- 0.8- 250914 M44 0.6- 0.8+ 250827 C49(0.08- 0.02+)Y 250912 Q71 0.6+ 1.4- 250914 M44 0.2+ 0.6+ 250828 C49(0.08- 0.01+)Y 250912 247 1.0- 0.1- 250914 194 1.2+ 0.4- 250828 C49(0.10- 0.00 )Y 250912 247 1.3+ 0.2- 250914 194 0.7- 0.2+ 250829 C49(0.10- 0.01+)Y 250912 247 1.2+ 0.7- 250914 194 0.8+ 0.9- 250829 C49(0.10- 0.01+)Y 250912 247 (3.6+ 2.5-) 250914 Y05 0.0 0.4- 250830 C49(0.11- 0.00 )Y 250912 Y05 1.1- 0.7+ 250914 Y05 0.0 0.1- 250830 C49(0.12- 0.03+)Y 250912 Y05 0.1- 0.6+ 250914 Y05 0.1- 0.2- 250831 C49(0.14- 0.04+)Y 250912 Y05 0.9+ 0.3- 250914 Y05 0.0 0.1- 250831 C49(0.13- 0.04+)Y 250912 X09 0.5- 0.1+ 250914 X09 0.2- 0.1+ 250901 C49(0.14- 0.04+)Y 250912 X09 0.0 0.2- 250914 X09 0.3- 0.1+ 250901 C49(0.13- 0.05+) 250912 W96 0.1- 0.1+ 250914 X09 0.5- 0.0 250901 C49(0.08- 0.03+) 250912 W96 0.4+ 0.0 250914 X09 0.3- 0.0 250901 C49(0.16- 0.05+)Y 250912 W94 0.6+ 0.6- 250914 X09 0.8- 0.1- 250902 C49(0.15- 0.01+)Y 250912 W94 0.7+ 0.4- 250902 C49(0.17- 0.02+)Y 250912 W96 1.5+ 0.7- ‎2025 September 14, 20:04:34 UT Orbital elements: SWAN25B T 2025 Sept. 12.41096 TT Sato q 0.5029375 (2000.0) P Q Peri. 307.26436 +0.22957791 +0.97277228 Node 335.94984 -0.86649937 +0.18942317 e 1.0 Incl. 4.46829 -0.44325255 +0.13354007 From 54 observations 2025 Sept. 12-13, mean residual 0".54. Residuals in seconds of arc (or two decimals in units of degrees) 250809 249(0.85- 0.14+)X 250910 249(0.10- 0.74-)X 250912 X09 0.9- 0.6+ 250811 249(0.28- 0.06-)X 250910 249(0.75+ 1.08-)Y 250912 X09 0.5- 0.2+ 250813 C49(0.03+ 0.02-)Y 250911 247 (4.7+ 10.9-) 250912 X09 0.2+ 0.0 250813 249(0.09- 0.09-)X 250911 247 (7.3+ 5.5+) 250912 X07 0.3- 0.3+ 250813 C49(0.06+ 0.05-)Y 250912 Q71 1.0- 0.9+ 250912 X07 0.5+ 0.7- 250814 C49(0.05+ 0.04-)Y 250912 Q62 0.3- 0.2+ 250913 Q62 0.7- 0.7+ 250814 249(0.15+ 0.15-)X 250912 Q62 0.1+ 0.3+ 250913 Q62 0.5- 0.5+ 250814 C49(0.04+ 0.03-)Y 250912 Q62 0.1- 0.3+ 250913 Q62 1.1- 0.2+ 250815 C49(0.04+ 0.02-)Y 250912 Q62 0.1- 0.5+ 250913 M58 (2.2+ 1.2+) 250815 C49(74.7+ 2.7-)Y 250912 Q62 0.3- 0.5+ 250913 M58 0.7+ 0.2- 250816 C49(0.01+ 0.03-)Y 250912 Q62 0.1- 0.3+ 250913 194 0.2+ 0.2- 250816 249(0.56+ 0.29-)X 250912 Q62 0.0 0.0 250913 M21 0.2- 0.6- 250816 C49(0.03+ 0.01-)Y 250912 Q71 0.7- 0.8- 250913 M58 1.0+ 0.2+ 250817 C49(45.1+ 15.1-)Y 250912 Q71 0.6+ 1.4- 250913 194 0.5+ 0.1+ 250817 249(0.43+ 0.22-)X 250912 247 1.0- 0.1- 250913 194 0.3+ 0.2- 250817 C49(0.03+ 0.02-)Y 250912 247 1.3+ 0.2- 250913 M58 0.7+ 0.4+ 250820 249(0.92+ 0.36-)X 250912 247 1.3+ 0.7- 250913 M21 0.3+ 0.3+ 250822 249(1.18+ 0.42-)X 250912 247 (3.7+ 2.5-) 250913 194 0.1- 0.3+ 250823 249(0.65+ 0.21-)X 250912 Y05 1.1- 0.7+ 250913 194 0.6- 0.3- 250825 249(1.12+ 0.37-)X 250912 Y05 0.1- 0.6+ 250913 M21 0.4- 0.3+ 250901 C49(0.12- 0.05+) 250912 Y05 0.9+ 0.3- 250913 194 0.1+ 0.5- 250901 C49(0.07- 0.03+) 250912 X09 0.6- 0.1+ 250913 X09 0.4- 0.1- 250903 C49(0.10- 0.01+) 250912 X09 0.1- 0.2- 250913 X07 0.2- 0.7- 250904 249(0.87+ 0.42-)Y 250912 W96 0.2- 0.1+ 250913 X09 0.9- 0.2+ 250905 249(1.33+ 0.04-)Y 250912 W96 0.3+ 0.0 250913 X07 0.4- 0.1+ 250908 249(0.66+ 0.34-)Y 250912 W94 0.6+ 0.6- 250913 W96 0.1+ 0.0 250908 249(0.12+ 0.77-)X 250912 W94 0.6+ 0.4- 250913 X09 0.3+ 0.2- 250909 249(0.33+ 0.90-)X 250912 W96 1.4+ 0.7- 250913 W96 0.4+ 0.0 250909 249(0.59+ 0.97-)Y 250912 W94 0.6+ 0.5- 250913 W96 0.2+ 0.4+ 250909 C49(0.20- 0.05+) 250912 X09 0.0 0.4+ 250913 X09 0.2- 0.1+ ‎2025 September 14, 06:21:10 UT Orbital elements: SWAN25B T 2025 Sept. 12.50426 TT Sato q 0.5031818 (2000.0) P Q Peri. 307.49215 +0.23133886 +0.97234978 Node 335.82558 -0.86619681 +0.19092856 e 1.0 Incl. 4.46908 -0.44292822 +0.13447005 From 47 observations 2025 Sept. 12-13, mean residual 0".56. Residuals in seconds of arc 250911 247 (4.6+ 10.9-) 250912 Y05 0.1- 0.6+ 250913 Q62 0.5- 0.6+ 250911 247 (7.2+ 5.5+) 250912 Y05 0.9+ 0.3- 250913 Q62 1.1- 0.2+ 250912 Q71 1.0- 0.9+ 250912 X09 0.6- 0.1+ 250913 M58 (2.1+ 1.2+) 250912 Q62 0.3- 0.2+ 250912 X09 0.1- 0.2- 250913 M58 0.7+ 0.2- 250912 Q62 0.1+ 0.3+ 250912 W96 0.2- 0.0 250913 194 0.2+ 0.1- 250912 Q62 0.1- 0.3+ 250912 W96 0.3+ 0.0 250913 M21 0.3- 0.5- 250912 Q62 0.1- 0.5+ 250912 W94 0.6+ 0.6- 250913 M58 0.9+ 0.3+ 250912 Q62 0.3- 0.5+ 250912 W94 0.6+ 0.4- 250913 194 0.4+ 0.2+ 250912 Q62 0.1- 0.3+ 250912 W96 1.4+ 0.8- 250913 194 0.2+ 0.1- 250912 Q62 0.0 0.0 250912 W94 0.6+ 0.5- 250913 M58 0.7+ 0.4+ 250912 Q71 0.7- 0.8- 250912 X09 0.0 0.4+ 250913 M21 0.2+ 0.3+ 250912 Q71 0.6+ 1.4- 250912 X09 0.8- 0.5+ 250913 194 0.2- 0.4+ 250912 247 1.0- 0.1- 250912 X09 0.5- 0.2+ 250913 194 0.7- 0.3- 250912 247 1.3+ 0.2- 250912 X09 0.2+ 0.0 250913 M21 0.4- 0.3+ 250912 247 1.3+ 0.7- 250912 X07 0.3- 0.3+ 250913 194 0.1+ 0.5- 250912 247 (3.7+ 2.5-) 250912 X07 0.6+ 0.7- 250913 X07 0.3- 0.7- 250912 Y05 1.1- 0.7+ 250913 Q62 0.7- 0.7+ 250913 X07 0.5- 0.1+ ‎2025 September 13, 23:09:10 UT Orbital elements: SWAN25B T 2025 Sept. 12.82025 TT Sato q 0.5040108 (2000.0) P Q Peri. 308.27310 +0.23726554 +0.97090218 Node 335.39342 -0.86516332 +0.19598993 e 1.0 Incl. 4.47191 -0.44181160 +0.13761142 From 42 observations 2025 Sept. 12-13, mean residual 0".56. Residuals in seconds of arc (or two decimals in units of degrees) 250809 249(1.00- 0.24+)X 250911 247 (7.1+ 5.7+) 250912 X09 0.1+ 0.3+ 250811 249(0.42- 0.03+)X 250912 Q71 1.0- 0.9+ 250912 X09 0.7- 0.4+ 250813 249(0.23- 0.00 )X 250912 Q62 0.3- 0.2+ 250912 X09 0.4- 0.0 250814 249(0.02+ 0.07-)X 250912 Q62 0.1+ 0.3+ 250912 X09 0.3+ 0.1- 250816 249(0.44+ 0.21-)X 250912 Q62 0.1- 0.3+ 250912 X07 0.2- 0.2+ 250817 249(0.32+ 0.14-)X 250912 Q62 0.1- 0.5+ 250912 X07 0.6+ 0.9- 250820 249(0.82+ 0.30-)X 250912 Q62 0.3- 0.5+ 250913 Q62 0.7- 0.6+ 250822 249(1.10+ 0.36-)X 250912 Q62 0.1- 0.3+ 250913 Q62 0.5- 0.4+ 250823 249(0.57+ 0.16-)X 250912 Q62 0.1+ 0.0 250913 Q62 1.1- 0.1+ 250825 249(1.06+ 0.33-)X 250912 Q71 0.7- 0.7- 250913 M58 (2.1+ 1.2+) 250901 C49(0.04+ 0.00 ) 250912 Q71 0.6+ 1.4- 250913 M58 0.6+ 0.2- 250901 C49(0.09+ 0.02-) 250912 247 0.9- 0.1- 250913 194 0.1+ 0.2- 250903 C49(0.08+ 0.04-) 250912 247 1.3+ 0.2- 250913 M21 0.4- 0.6- 250904 249(0.86+ 0.41-)Y 250912 247 1.3+ 0.7- 250913 M58 0.8+ 0.2+ 250905 249(1.32+ 0.03-)Y 250912 247 (3.7+ 2.4-) 250913 194 0.4+ 0.1+ 250908 249(0.12+ 0.77-)X 250912 Y05 1.0- 0.6+ 250913 194 0.2+ 0.2- 250908 249(0.66+ 0.33-)Y 250912 Y05 0.0 0.4+ 250913 M58 0.6+ 0.4+ 250909 249(0.33+ 0.90-)X 250912 Y05 1.0+ 0.5- 250913 M21 0.2+ 0.3+ 250909 249(0.58+ 0.96-)Y 250912 X09 0.4- 0.0 250913 194 0.2- 0.3+ 250909 C49(0.06+ 0.01-) 250912 X09 0.0 0.3- 250913 194 0.8- 0.3- 250910 249(0.75+ 1.08-)Y 250912 W96 0.1- 0.1- 250913 M21 0.5- 0.3+ 250910 249(0.09- 0.74-)X 250912 W96 0.4+ 0.1- 250913 194 0.0 0.5- 250911 247 (4.5+ 10.7-) 250912 W96 1.5+ 0.9- ‎2025 September 13, 02:56:11 UT Orbital elements: SWAN25B T 2025 Sept. 17.91674 TT Sato q 0.5199575 (2000.0) P Q Peri. 320.73783 +0.31314095 +0.94878249 Node 327.44845 -0.85056780 +0.26055984 e 1.0 Incl. 4.46493 -0.42246558 +0.17866271 From 24 observations 2025 Sept. 12-12, mean residual 0".80. Residuals in seconds of arc (or two decimals in units of degrees) 250809 249(2.71- 1.35+)X 250908 249(0.61+ 0.30-)Y 250912 Q71 1.0- 0.6- 250811 249(2.03- 1.08+)X 250909 249(0.33+ 0.88-)X 250912 Q71 0.4+ 1.3- 250813 249(1.73- 0.98+)X 250909 249(0.56+ 0.94-)Y 250912 247 1.0- 0.2- 250814 249(1.43- 0.88+)X 250909 C49(3.05+ 0.74-) 250912 247 1.5+ 0.4- 250816 249(0.90- 0.66+)X 250910 249(0.74+ 1.07-)Y 250912 247 1.6+ 0.7- 250817 249(0.96- 0.70+)X 250910 249(0.07- 0.74-)X 250912 247 1.8+ 0.9- 250820 249(0.28- 0.43+)X 250911 247 (0.1- 7.7-) 250912 247 2.0+ 1.3- 250822 249(0.12+ 0.28+)X 250911 247 (2.6+ 8.5+) 250912 Y05 0.7- 0.2+ 250823 249(0.35- 0.44+)X 250912 Q71 1.3- 1.1+ 250912 Y05 0.2+ 0.0 250825 249(0.27+ 0.19+)X 250912 Q62 0.6- 0.4+ 250912 Y05 1.3+ 0.9- 250901 C49(1.80+ 0.50-) 250912 Q62 0.2- 0.5+ 250912 X09 0.0 0.3+ 250901 C49(1.90+ 0.53-) 250912 Q62 0.4- 0.5+ 250912 X09 0.8- 0.5+ 250903 C49(2.11+ 0.61-) 250912 Q62 0.4- 0.7+ 250912 X09 0.5- 0.1+ 250904 249(0.66+ 0.28-)Y 250912 Q62 0.6- 0.7+ 250912 X09 0.2+ 0.0 250905 249(1.17+ 0.07+)Y 250912 Q62 0.4- 0.5+ 250912 X07 0.4- 0.3+ 250908 249(0.10+ 0.74-)X 250912 Q62 0.2- 0.2+ 250912 X07 0.5+ 0.7- ‎2025 September 12, 14:45:51 UT Orbital elements: SWAN25B T 2025 Sept. 17.17261 TT Sato q 0.5191112 (2000.0) P Q Peri. 315.65486 +0.29351636 +0.95526597 Node 331.35619 -0.85469425 +0.24524494 e 1.0 Incl. 4.33859 -0.42818909 +0.16529321 From 15 observations 2025 Sept. 12-12, mean residual 0".68. Residuals in seconds of arc (or two decimals in units of degrees) 250901 C49(1.68+ 0.53-) 250912 Q62 0.1+ 0.7- 250912 Q71 0.7- 1.0- 250901 C49(1.77+ 0.56-) 250912 Q62 0.4+ 0.5- 250912 Q71 0.5+ 1.2- 250903 C49(1.95+ 0.63-) 250912 Q62 0.2+ 0.5- 250912 247 1.5- 0.8+ 250909 C49(2.76+ 0.68-) 250912 Q62 0.2+ 0.3- 250912 247 0.9+ 0.6+ 250911 247(11.5+ 26.3-) 250912 Q62 0.0 0.2- 250912 247 0.9+ 0.5+ 250911 247(13.9+ 9.5-) 250912 Q62 0.2+ 0.4- 250912 247 1.1+ 0.3+ 250912 Q71 0.6- 0.1- 250912 Q62 0.3+ 0.7- 250912 247 1.3+ 0.0 ‎2025 September 12, 14:14:40 UT Orbital elements: SWAN25 T 2025 Sept. 12.50188 TT Sato q 0.5037467 (2000.0) P Q Peri. 306.30246 +0.22194226 +0.97457418 Node 336.46446 -0.86808166 +0.18312237 e 1.0 Incl. 4.41940 -0.44404489 +0.12911763 From 15 observations 2025 Sept. 9-12, mean residual 0".37. Residuals in seconds of arc 250909 C49 0.1+ 0.0 250912 Q62 0.2+ 0.0 250912 Q71 0.0 1.0- 250911 247(19.9+ 23.2-) 250912 Q62 0.2+ 0.2+ 250912 247 (2.4- 0.8+) 250911 247(22.0+ 6.5-) 250912 Q62 0.1- 0.2+ 250912 247 0.0 0.6+ 250912 Q71 0.6- 0.4+ 250912 Q62 0.1+ 0.1+ 250912 247 0.0 0.4+ 250912 Q62 0.1+ 0.2- 250912 Q62 0.2+ 0.2- 250912 247 0.2+ 0.2+ 250912 Q62 0.4+ 0.0 250912 Q71 1.0- 0.6- 250912 247 0.3+ 0.1- --