2025 April 11, 05:07:22 UT Orbital elements: C/2025 F2 (SWAN) Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 May 1.15962 TT Sato q 0.3334254 (2000.0) P Q z +0.0000618 Peri. 153.84963 -0.77758482 -0.37815665 +/-0.0000164 Node 329.84345 +0.23615818 +0.56480387 e 0.9999794 Incl. 90.37126 +0.58274450 -0.73348084 From 314 observations 2024 Sept. 3-2025 Apr. 11, mean residual 0".57. Residuals in seconds of arc 240903 F51 0.9+ 0.1+ 250404 N86 0.3+ 0.0 250407 215 0.5+ 0.6+ 240903 F51 0.7+ 0.1+ 250404 N86 0.3+ 0.0 250407 C10 1.3- 0.4+ 240908 W84 0.1+ 0.2+ 250404 N89 0.2+ 0.1+ 250407 C10 1.0- 0.1+ 240909 F52 0.2+ 0.3+ 250404 N56 0.6+ 0.5- 250407 M09 0.5+ 0.7- 240909 F52 0.5- 0.2- 250404 N56 0.3+ 0.5- 250407 C10 0.7- 0.3+ 240909 F52 0.6+ 0.2+ 250404 N56 0.6+ 0.5- 250407 C10 1.2- 0.5+ 240909 F52 0.3+ 0.3+ 250405 M44 0.5+ 0.7+ 250407 I81 0.5- 0.4+ 240924 F51 0.5- 0.3+ 250405 M44 0.6- 0.1+ 250407 C10 (2.7- 1.4+) 240927 F51 0.3+ 0.3+ 250405 M44 0.5- 0.1+ 250407 I81 0.3- 0.3+ 240927 F51 0.0 0.1+ 250405 152 (0.1- 2.3-) 250407 I81 0.1- 0.5+ 240927 F51 0.1- 0.1+ 250405 152 0.4- 1.7- 250407 C10 1.0- 0.7+ 240927 F51 0.1+ 0.3+ 250405 M09 0.0 0.1+ 250407 I81 0.3- 0.0 240927 F51 0.2- 0.2- 250405 L06 0.4+ 0.1+ 250407 C10 1.1- 0.4+ 240927 F51 0.1- 0.3+ 250405 M09 0.3+ 0.1- 250407 970 0.7+ 0.1- 241004 F52 0.4- 0.2- 250405 204 0.3+ 0.5- 250407 XV3 0.0 0.6+ 241004 F52 0.0 0.1+ 250405 L06 0.3+ 0.0 250407 XV3 0.1+ 1.5+ 241004 F52 0.1- 0.3+ 250405 M09 0.5+ 0.5- 250407 XV3 1.4+ 0.1- 241004 F52 0.1- 0.1- 250405 204 0.2+ 0.6- 250407 XV3 0.9+ 0.8+ 241006 F51 0.5- 0.2- 250405 L06 0.1+ 0.1+ 250407 970 0.8+ 0.5- 241006 F51 0.5- 0.3- 250405 970 0.5+ 0.1- 250407 213 0.1- 0.0 241006 F51 0.2- 0.1- 250405 970 0.5+ 0.7- 250407 213 0.2- 0.3+ 241006 F51 0.7- 0.4- 250405 970 1.2+ 0.4- 250407 213 0.1+ 0.1+ 250320 N86 1.0- 1.1- 250405 Z10 0.4+ 0.5- 250407 G40 0.7- 0.2- 250320 N86 0.9- 0.7- 250405 Z10 0.3+ 0.2- 250407 G40 0.3- 0.1+ 250326 N89 (2.1+ 3.2+) 250405 Z10 0.1+ 0.6- 250407 G40 0.3+ 0.2+ 250326 N89 (2.6+ 2.4+) 250405 Z10 1.4+ 1.1- 250407 G40 0.3- 0.2+ 250326 N89 (2.8+ 3.2+) 250405 U94 0.6+ 0.3- 250407 G40 0.3+ 0.5+ 250330 247 (4.4- 4.7+) 250405 U94 0.3- 0.5+ 250407 G40 0.1+ 0.3- 250401 O40 0.7- 0.4- 250405 U94 0.1- 0.2- 250407 G40 0.1- 0.3+ 250401 O40 1.1- 0.3- 250405 U94 0.3- 0.2+ 250407 G40 0.5+ 0.4+ 250401 O40 0.6- 0.2+ 250405 U94 0.1- 0.4- 250407 G40 0.3+ 0.4+ 250402 247(61.2+ 50.4-)Y 250405 U94 0.1+ 0.3- 250407 U94 0.4+ 0.6+ 250402 247 (2.5+ 1.1-) 250405 U94 0.0 0.2- 250407 U94 0.6+ 0.3+ 250402 247 1.1+ 1.1- 250406 M44 0.0 0.7- 250407 U94 0.8+ 0.2+ 250402 G37 (2.8- 5.0-)Y 250406 M44 0.0 0.3+ 250407 U94 1.1+ 0.3- 250403 D15 0.3- 0.5- 250406 M44 1.0+ 0.4- 250407 U94 0.0 0.2- 250403 A71 0.9- 0.8+ 250406 M18 0.6+ 0.0 250407 U94 0.3+ 0.6- 250403 A71 0.2- 0.1+ 250406 A71 0.0 0.0 250407 U94 0.0 0.0 250403 D15 0.1+ 0.8- 250406 A71 0.2- 0.1+ 250407 U94 0.6+ 0.6- 250403 A71 0.1+ 0.0 250406 G34 0.1- 0.2+ 250407 U94 0.5+ 0.1+ 250403 A71 0.2- 0.1+ 250406 M09 0.3+ 0.1- 250407 Q23 0.0 0.1+ 250403 D15 0.1+ 0.5- 250406 M18 0.8+ 0.1- 250407 D95 0.2- 0.4+ 250403 970 0.1+ 0.1+ 250406 G34 0.3- 0.7+ 250407 Q21 1.4- 0.5+ 250403 970 0.2+ 0.0 250406 A71 0.0 0.1+ 250407 D95 0.4- 0.1+ 250403 970 0.4- 0.0 250406 G34 0.0 0.0 250407 Q23 0.1- 0.0 250403 970 0.2+ 0.2+ 250406 M18 0.7+ 0.2- 250407 Q23 0.0 0.1+ 250403 G40 1.4- 0.4- 250406 M09 0.0 0.3+ 250407 D95 0.6- 0.3+ 250403 G40 0.6- 0.8- 250406 C10 0.1+ 1.3+ 250407 Q21 0.6- 0.1+ 250403 G40 1.5- 0.6+ 250406 C10 0.7- 0.3+ 250407 Q21 1.7- 0.7+ 250403 P87 0.3+ 0.4- 250406 M09 0.3+ 0.1- 250407 349 0.0 0.2+ 250403 P87 0.1+ 0.8+ 250406 C10 0.8- 0.5+ 250407 Q21 0.4- 0.5- 250403 P87 0.4+ 0.3- 250406 C10 (2.1- 1.0+) 250407 349 0.3+ 0.2+ 250403 N89 1.0+ 0.1+ 250406 C10 0.5- 0.2+ 250407 349 0.6+ 0.7+ 250403 N89 0.4- 0.0 250406 C10 1.1- 0.0 250407 903 0.1+ 0.0 250403 N86 0.6- 0.3+ 250406 C10 0.0 0.2+ 250407 Q21 0.1+ 0.7- 250403 N86 0.0 0.0 250406 970 0.3+ 0.5- 250407 349 0.0 0.5+ 250403 N89 0.0 1.0- 250406 970 1.1+ 0.7- 250407 903 0.3- 0.5+ 250404 152 (2.1+ 2.2-) 250406 970 0.7+ 0.2- 250407 903 0.2+ 0.7+ 250404 152 1.3+ 1.0- 250406 A77 0.4+ 1.6+ 250407 O40 0.5- 0.4- 250404 152 0.7- 0.9- 250406 A77 0.0 0.2- 250407 O40 0.2- 0.7- 250404 A71 0.3- 0.5+ 250406 B74 0.2+ 0.2+ 250407 O40 0.5- 0.0 250404 A71 0.4- 0.3+ 250406 213 0.2- 0.2+ 250407 N56 0.6- 0.3- 250404 A71 0.3- 0.3+ 250406 A77 0.4- 0.0 250407 N56 1.2- 0.2- 250404 K74 0.3- 0.4+ 250406 213 0.4- 0.2+ 250407 N56 0.3- 0.2+ 250404 K74 0.5- 0.8+ 250406 B74 0.4+ 0.2- 250408 D47 (2.7- 2.1+) 250404 A71 0.2+ 0.3+ 250406 B74 0.5+ 0.1- 250408 D47 0.4- 0.2+ 250404 K74 0.1+ 0.1+ 250406 B74 0.7+ 0.7- 250408 D47 (0.8+ 5.0-) 250404 A71 0.2- 0.1- 250406 213 0.2- 0.3+ 250408 D47 (2.1+ 3.6-) 250404 A71 0.3- 0.0 250406 J01 1.0+ 0.6- 250408 D47 (0.2+ 2.2-) 250404 L06 0.2- 0.3- 250406 J01 0.7- 0.8- 250408 M09 0.3- 1.6+ 250404 K74 0.0 0.1+ 250406 J01 1.2+ 0.1- 250408 D47(10.0+ 9.5-) 250404 I81 0.1- 0.1- 250406 J01 0.1- 0.6+ 250408 C10 0.8- 1.0+ 250404 L06 0.7+ 0.1- 250406 G40 0.7+ 0.6- 250408 M50 0.2+ 1.3- 250404 L06 0.8+ 0.5- 250406 G40 0.6+ 0.3- 250408 M50 1.1+ 0.9- 250404 I81 0.4- 0.5+ 250406 G40 0.4- 0.0 250408 M50 1.2+ 1.5- 250404 L06 0.0 0.4- 250406 G40 0.5- 0.1- 250408 C10 1.0- 0.7+ 250404 I81 0.2+ 0.1- 250406 G40 0.5- 0.2+ 250408 M09 0.4+ 0.4+ 250404 I81 0.4+ 1.0- 250406 U94 1.0+ 0.3+ 250408 C10 1.1- 0.6+ 250404 204 0.6+ 0.8- 250406 U94 0.1- 0.5- 250408 C10 (2.8- 1.2+) 250404 204 0.5+ 0.8- 250406 U94 0.3- 0.5+ 250408 M09 0.9+ 0.0 250404 970 0.4- 0.2+ 250406 U94 0.3- 0.3+ 250408 C10 1.3- 0.7+ 250404 970 0.7+ 1.1- 250406 903 0.2+ 0.5- 250408 C10 0.9- 0.5+ 250404 G40 0.7- 0.1- 250406 903 0.4- 0.4+ 250408 C10 1.2- 1.0+ 250404 G40 0.9- 0.6- 250406 903 0.6- 0.0 250408 Y71 0.2- 0.5+ 250404 G40 0.4- 0.6- 250406 N86 0.1+ 0.2+ 250408 Y71 0.1- 0.4+ 250404 G40 0.8- 0.5- 250406 N86 0.1+ 0.1+ 250408 Z10 0.1+ 0.2+ 250404 G40 0.7- 0.5- 250407 M47 0.4+ 0.3- 250408 Y71 0.1- 0.6+ 250404 G40 0.2- 0.2- 250407 M47 0.0 0.1+ 250408 Z10 0.6+ 0.2- 250404 U94 0.0 0.3- 250407 M47 0.4- 0.1- 250408 Z10 0.8+ 0.2- 250404 U94 0.1+ 0.2- 250407 M47 0.2- 0.1- 250408 Z10 1.1+ 0.1- 250404 U94 1.0+ 0.5- 250407 M47 0.5+ 0.1+ 250408 G40 0.2- 0.1- 250404 U94 0.0 0.6- 250407 M47 0.7+ 0.4- 250408 G40 0.1+ 0.2- 250404 U94 0.6+ 0.6- 250407 M47 0.2+ 0.3- 250408 G40 0.2+ 0.0 250404 U94 1.0+ 0.8- 250407 M47 0.8+ 0.2- 250408 G40 0.1+ 0.6- 250404 U94 0.3- 0.2- 250407 M47 0.6+ 0.4- 250409 M09 0.3+ 0.3+ 250404 U94 0.5+ 0.7- 250407 M47 0.6+ 0.4- 250409 M09 0.3+ 0.2+ 250404 U94 0.9+ 0.5- 250407 L54 (3.2- 1.7+) 250409 M09 0.2+ 0.4+ 250404 349 0.3+ 0.4+ 250407 L54 0.7+ 0.4+ 250409 U94 0.1+ 0.3- 250404 D92 0.9- 0.9- 250407 L54 1.7+ 0.1+ 250409 U94 0.1- 0.4- 250404 Q23 0.1+ 0.8- 250407 C23 (2.6+ 31.3+) 250409 U94 0.9+ 0.0 250404 349 0.1+ 0.1+ 250407 M18 0.1+ 0.1+ 250409 U94 0.1- 0.3+ 250404 D92 1.6+ 0.8+ 250407 C23 1.4- 1.0+ 250409 U94 1.3+ 0.4- 250404 Q23 0.1+ 0.9- 250407 M18 0.4+ 0.0 250410 C10 1.2- 0.7+ 250404 D92 1.5+ 1.1+ 250407 K74 0.0 0.3+ 250410 C10 1.2- 1.0+ 250404 349 0.3+ 0.3+ 250407 M09 0.2- 0.7+ 250410 C10 1.5- 1.0+ 250404 Q23 0.1+ 0.8- 250407 C23 0.2- 0.3+ 250410 C10 (4.0- 2.6+) 250404 349 0.4+ 0.2+ 250407 K74 0.0 0.3+ 250410 C10 0.8- 0.8+ 250404 903 0.5+ 0.5+ 250407 M18 0.3+ 0.3- 250411 C10 (2.3- 1.7+) 250404 903 0.2+ 0.7- 250407 K74 0.1+ 0.3+ 250411 C10 1.5- 1.6+ 250404 903 0.6- 0.0 250407 215 0.8+ 1.1- 250411 C10 1.6- 1.4+ 250404 N89 0.3- 0.3+ 250407 M09 0.2+ 0.1- 250411 C10 (5.2- 3.1+) 250404 N89 0.1- 0.1- 250407 215 0.9+ 0.3+ 250411 C10 1.9- 1.1+ 2025 April 10, 03:29:09 UT Orbital elements: C/2025 F2 (SWAN) Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 May 1.15916 TT Sato q 0.3334209 (2000.0) P Q z +0.0000746 Peri. 153.85014 -0.77759218 -0.37814495 +/-0.0000157 Node 329.84362 +0.23615691 +0.56480931 e 0.9999751 Incl. 90.37195 +0.58273520 -0.73348268 From 304 observations 2024 Sept. 3-2025 Apr. 9, mean residual 0".54. 2025 April 09, 00:52:00 UT Orbital elements: C/2025 F2 (SWAN) = SWAN25F Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 May 1.15925 TT Sato q 0.3334211 (2000.0) P Q z +0.0000760 Peri. 153.85016 -0.77759192 -0.37814528 +/-0.0000157 Node 329.84361 +0.23615785 +0.56480813 e 0.9999747 Incl. 90.37186 +0.58273517 -0.73348342 From 291 observations 2024 Sept. 3-2025 Apr. 8, mean residual 0".54. Residuals in seconds of arc (or two decimals in units of degrees) 240903 F51 0.7+ 0.0 250404 U94 1.0+ 0.5- 250407 M47 0.4+ 0.1+ 240903 F51 0.5+ 0.1+ 250404 U94 0.6+ 0.6- 250407 M47 0.6+ 0.3- 240908 W84 0.0 0.1+ 250404 U94 1.0+ 0.8- 250407 M47 0.1+ 0.3- 240909 F52 0.0 0.3+ 250404 U94 0.3- 0.1- 250407 M47 0.8+ 0.1- 240909 F52 0.6- 0.3- 250404 U94 0.5+ 0.6- 250407 M47 0.6+ 0.4- 240909 F52 0.5+ 0.1+ 250404 U94 0.9+ 0.4- 250407 M47 0.6+ 0.4- 240909 F52 0.2+ 0.3+ 250404 349 0.3+ 0.5+ 250407 L54 (3.3- 1.8+) 240924 F51 0.5- 0.3+ 250404 D92 0.9- 0.8- 250407 L54 0.6+ 0.5+ 240927 F51 0.3+ 0.3+ 250404 Q23 0.1+ 0.7- 250407 L54 1.6+ 0.2+ 240927 F51 0.0 0.1+ 250404 349 0.1+ 0.2+ 250407 C23 (2.5+ 31.3+) 240927 F51 0.0 0.1+ 250404 D92 1.7+ 0.8+ 250407 M18 0.0 0.1+ 240927 F51 0.2+ 0.2+ 250404 Q23 0.1+ 0.9- 250407 C23 1.5- 1.1+ 240927 F51 0.2- 0.2- 250404 D92 1.5+ 1.1+ 250407 M18 0.3+ 0.0 240927 F51 0.1- 0.3+ 250404 349 0.3+ 0.3+ 250407 K74 0.0 0.4+ 241004 F52 0.3- 0.2- 250404 Q23 0.1+ 0.7- 250407 M09 0.3- 0.7+ 241004 F52 0.2+ 0.1+ 250404 349 0.4+ 0.2+ 250407 C23 0.3- 0.3+ 241004 F52 0.0 0.3+ 250404 903 0.5+ 0.5+ 250407 K74 0.1- 0.3+ 241004 F52 0.0 0.1- 250404 903 0.2+ 0.6- 250407 M18 0.2+ 0.3- 241006 F51 0.4- 0.2- 250404 903 0.6- 0.1+ 250407 K74 0.0 0.3+ 241006 F51 0.4- 0.3- 250404 N89 0.3- 0.4+ 250407 215 0.7+ 1.1- 241006 F51 0.0 0.1- 250404 N89 0.1- 0.0 250407 M09 0.1+ 0.1- 241006 F51 0.5- 0.4- 250404 N86 0.3+ 0.0 250407 215 0.8+ 0.4+ 250320 N86 0.7- 1.0- 250404 N86 0.3+ 0.0 250407 215 0.5+ 0.6+ 250320 N86 0.6- 0.6- 250404 N89 0.2+ 0.1+ 250407 C10 1.3- 0.5+ 250322 249(0.82+ 0.51-)R 250404 N56 0.6+ 0.4- 250407 C10 1.0- 0.2+ 250322 249(0.66+ 0.87-)M 250404 N56 0.3+ 0.5- 250407 M09 0.4+ 0.6- 250322 249(0.08+ 1.51-)V 250404 N56 0.6+ 0.5- 250407 C10 0.8- 0.3+ 250323 249(0.43+ 1.02-)V 250405 M44 0.5+ 0.7+ 250407 C10 1.3- 0.6+ 250323 249(0.86+ 0.74-)R 250405 M44 0.6- 0.1+ 250407 I81 0.5- 0.4+ 250323 249(0.78+ 0.74-)M 250405 M44 0.5- 0.1+ 250407 C10 (2.8- 1.4+) 250324 249(1.24+ 0.23-)V 250405 152 (0.1- 2.3-) 250407 I81 0.4- 0.4+ 250324 249(1.29+ 0.41-)M 250405 152 0.3- 1.7- 250407 I81 0.2- 0.5+ 250324 249(1.02+ 0.61-)R 250405 M09 0.0 0.2+ 250407 C10 1.1- 0.8+ 250326 249(0.65+ 0.75-)M 250405 L06 0.5+ 0.1+ 250407 I81 0.4- 0.1+ 250326 249(0.51+ 1.04-)R 250405 M09 0.3+ 0.1- 250407 C10 1.2- 0.4+ 250326 N89 (2.3+ 3.3+) 250405 204 0.3+ 0.4- 250407 970 0.6+ 0.1- 250326 N89 (2.8+ 2.5+) 250405 L06 0.3+ 0.1+ 250407 970 0.8+ 0.4- 250326 N89 (3.0+ 3.3+) 250405 M09 0.5+ 0.5- 250407 213 0.2- 0.0 250327 249(1.12+ 0.57-)V 250405 204 0.2+ 0.5- 250407 213 0.3- 0.3+ 250327 249(0.90+ 0.55-)M 250405 L06 0.1+ 0.2+ 250407 213 0.0 0.1+ 250327 249(0.79+ 0.57-)R 250405 970 0.5+ 0.1- 250407 G40 0.7- 0.2- 250328 249(1.07+ 0.42-)M 250405 970 0.5+ 0.7- 250407 G40 0.4- 0.2+ 250328 249(1.34+ 0.10-)V 250405 970 1.2+ 0.3- 250407 G40 0.2+ 0.3+ 250328 249(1.20+ 0.34-)R 250405 Z10 0.4+ 0.5- 250407 G40 0.3- 0.2+ 250329 249(1.40+ 0.06-)M 250405 Z10 0.3+ 0.1- 250407 G40 0.2+ 0.6+ 250329 249(0.95+ 0.41-)R 250405 Z10 0.2+ 0.6- 250407 G40 0.0 0.2- 250330 247 (4.2- 4.8+) 250405 Z10 1.4+ 1.0- 250407 G40 0.2- 0.3+ 250401 O40 0.6- 0.3- 250405 U94 0.6+ 0.3- 250407 G40 0.4+ 0.5+ 250401 O40 1.0- 0.3- 250405 U94 0.3- 0.5+ 250407 G40 0.2+ 0.4+ 250401 O40 0.4- 0.2+ 250405 U94 0.1- 0.1- 250407 U94 0.4+ 0.6+ 250402 247(61.3+ 50.3-)Y 250405 U94 0.3- 0.2+ 250407 U94 0.6+ 0.3+ 250402 247 (2.6+ 1.0-) 250405 U94 0.1- 0.3- 250407 U94 0.7+ 0.2+ 250402 247 1.2+ 1.0- 250405 U94 0.1+ 0.3- 250407 U94 1.0+ 0.3- 250402 G37 (2.7- 4.9-)Y 250405 U94 0.0 0.1- 250407 U94 0.1- 0.2- 250403 D15 0.2- 0.5- 250406 M44 0.0 0.7- 250407 U94 0.2+ 0.6- 250403 A71 0.9- 0.8+ 250406 M44 0.1- 0.4+ 250407 U94 0.1- 0.1+ 250403 A71 0.1- 0.2+ 250406 M44 0.9+ 0.4- 250407 U94 0.5+ 0.5- 250403 D15 0.2+ 0.8- 250406 M18 0.6+ 0.0 250407 U94 0.4+ 0.2+ 250403 A71 0.2+ 0.0 250406 A71 0.0 0.1+ 250407 Q23 0.1- 0.2+ 250403 A71 0.2- 0.1+ 250406 A71 0.2- 0.2+ 250407 D95 0.3- 0.5+ 250403 D15 0.1+ 0.4- 250406 G34 0.2- 0.3+ 250407 Q21 1.5- 0.5+ 250403 970 0.2+ 0.2+ 250406 M09 0.3+ 0.0 250407 D95 0.5- 0.1+ 250403 970 0.3+ 0.0 250406 M18 0.8+ 0.0 250407 Q23 0.2- 0.1+ 250403 970 0.4- 0.0 250406 G34 0.3- 0.8+ 250407 Q23 0.1- 0.2+ 250403 970 0.3+ 0.2+ 250406 A71 0.1- 0.1+ 250407 D95 0.7- 0.4+ 250403 G40 1.4- 0.4- 250406 G34 0.1- 0.1+ 250407 Q21 0.7- 0.1+ 250403 G40 0.5- 0.8- 250406 M18 0.7+ 0.2- 250407 Q21 1.8- 0.7+ 250403 G40 1.4- 0.7+ 250406 M09 0.0 0.3+ 250407 349 0.1- 0.2+ 250403 P87 0.4+ 0.3- 250406 C10 0.1+ 1.3+ 250407 Q21 0.5- 0.4- 250403 P87 0.2+ 0.8+ 250406 C10 0.7- 0.3+ 250407 349 0.2+ 0.2+ 250403 P87 0.5+ 0.3- 250406 M09 0.2+ 0.1- 250407 349 0.5+ 0.8+ 250403 N89 1.1+ 0.1+ 250406 C10 0.9- 0.5+ 250407 Q21 0.0 0.6- 250403 N89 0.4- 0.0 250406 C10 (2.1- 1.0+) 250407 349 0.1- 0.5+ 250403 N86 0.5- 0.4+ 250406 C10 0.5- 0.3+ 250407 O40 0.6- 0.3- 250403 N86 0.0 0.1+ 250406 C10 1.1- 0.1+ 250407 O40 0.3- 0.6- 250403 N89 0.1+ 0.9- 250406 C10 0.0 0.2+ 250407 O40 0.6- 0.1+ 250404 152 (2.2+ 2.1-) 250406 970 0.3+ 0.5- 250407 N56 0.7- 0.3- 250404 152 1.4+ 0.9- 250406 970 1.1+ 0.7- 250407 N56 1.3- 0.2- 250404 152 0.6- 0.8- 250406 970 0.7+ 0.2- 250407 N56 0.4- 0.2+ 250404 A71 0.2- 0.5+ 250406 A77 0.4+ 1.7+ 250408 D47 (2.8- 2.2+) 250404 A71 0.3- 0.4+ 250406 A77 0.0 0.2- 250408 D47 0.5- 0.2+ 250404 A71 0.2- 0.4+ 250406 B74 0.2+ 0.2+ 250408 D47 (0.7+ 5.0-) 250404 K74 0.2- 0.5+ 250406 213 0.2- 0.2+ 250408 D47 (2.0+ 3.6-) 250404 K74 0.5- 0.8+ 250406 A77 0.4- 0.1+ 250408 D47 (0.1+ 2.2-) 250404 A71 0.3+ 0.4+ 250406 213 0.4- 0.3+ 250408 M09 0.4- 1.6+ 250404 K74 0.1+ 0.2+ 250406 B74 0.4+ 0.1- 250408 D47 (9.9+ 9.5-) 250404 A71 0.2- 0.1- 250406 B74 0.4+ 0.0 250408 C10 0.9- 1.0+ 250404 A71 0.3- 0.0 250406 B74 0.7+ 0.6- 250408 M50 0.1+ 1.2- 250404 L06 0.2- 0.2- 250406 213 0.2- 0.3+ 250408 M50 1.0+ 0.8- 250404 K74 0.1+ 0.2+ 250406 J01 0.9+ 0.5- 250408 M50 1.0+ 1.4- 250404 I81 0.1- 0.1- 250406 J01 0.7- 0.8- 250408 C10 1.1- 0.7+ 250404 L06 0.8+ 0.0 250406 J01 1.1+ 0.1- 250408 M09 0.2+ 0.4+ 250404 L06 0.9+ 0.4- 250406 G40 0.7+ 0.5- 250408 C10 1.2- 0.6+ 250404 I81 0.4- 0.6+ 250406 G40 0.6+ 0.2- 250408 C10 (2.9- 1.2+) 250404 L06 0.1+ 0.3- 250406 G40 0.4- 0.0 250408 M09 0.8+ 0.0 250404 I81 0.3+ 0.0 250406 G40 0.5- 0.0 250408 C10 1.4- 0.7+ 250404 I81 0.4+ 0.9- 250406 G40 0.5- 0.3+ 250408 C10 1.0- 0.5+ 250404 204 0.7+ 0.7- 250406 U94 0.9+ 0.4+ 250408 C10 1.3- 1.0+ 250404 204 0.5+ 0.7- 250406 U94 0.2- 0.5- 250408 Y71 0.3- 0.5+ 250404 970 0.4- 0.2+ 250406 U94 0.3- 0.5+ 250408 Y71 0.2- 0.4+ 250404 970 0.8+ 1.0- 250406 U94 0.3- 0.4+ 250408 Z10 0.1- 0.2+ 250404 G40 0.7- 0.1- 250406 903 0.1+ 0.4- 250408 Y71 0.2- 0.6+ 250404 G40 0.8- 0.5- 250406 903 0.5- 0.5+ 250408 Z10 0.5+ 0.2- 250404 G40 0.3- 0.5- 250406 903 0.6- 0.0 250408 Z10 0.7+ 0.2- 250404 G40 0.8- 0.4- 250406 N86 0.1+ 0.3+ 250408 Z10 1.0+ 0.0 250404 G40 0.6- 0.5- 250406 N86 0.0 0.2+ 250408 G40 0.3- 0.1- 250404 G40 0.2- 0.2- 250407 M47 0.3+ 0.2- 250408 G40 0.0 0.2- 250404 U94 0.0 0.2- 250407 M47 0.0 0.1+ 250408 G40 0.1+ 0.0 250404 U94 0.1+ 0.1- 250407 M47 0.4- 0.1- 250408 G40 0.0 0.5- 250404 U94 0.1+ 0.6- 250407 M47 0.3- 0.1- Detection from SWAN images V: Vladimir Bezugly R: Rob D. Matson M: Michael Mattiazzo 2025 April 08, 02:40:17 UT Orbital elements: SWAN25F (C/2025 F2 ?) Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 May 1.15902 TT Sato q 0.3334193 (2000.0) P Q z +0.0000790 Peri. 153.85032 -0.77759458 -0.37814107 +/-0.0000155 Node 329.84367 +0.23615683 +0.56481077 e 0.9999737 Incl. 90.37215 +0.58273203 -0.73348356 From 251 observations 2024 Sept. 3-2025 Apr. 7, mean residual 0".52. 2025 April 07, 14:00:36 UT Orbital elements: SWAN25F (C/2025 F2 ?) Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 May 1.15885 TT Sato q 0.3334182 (2000.0) P Q z +0.0000800 Peri. 153.85040 -0.77759619 -0.37813855 +/-0.0000152 Node 329.84371 +0.23615586 +0.56481274 e 0.9999733 Incl. 90.37236 +0.58273027 -0.73348333 From 226 observations 2024 Sept. 3-2025 Apr. 7, mean residual 0".51. 2025 April 05, 16:331:47 UT Orbital elements: SWAN25F (C/2025 F2 ?) Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 May 1.15747 TT Sato q 0.3334108 (2000.0) P Q z +0.0000755 Peri. 153.85065 -0.77760551 -0.37812433 +/-0.0000153 Node 329.84395 +0.23614622 +0.56482881 e 0.9999748 Incl. 90.37386 +0.58272175 -0.73347829 From 126 observations 2024 Sept. 3-2025 Apr. 5, mean residual 0".48. 2025 April 05, 05:30:00 UT Orbital elements: SWAN25F (C/2025 F2 ?) Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 May 1.15759 TT Sato q 0.3334107 (2000.0) P Q z +0.0000782 Peri. 153.85071 -0.77760542 -0.37812429 +/-0.0000147 Node 329.84394 +0.23614775 +0.56482713 e 0.9999739 Incl. 90.37374 +0.58272124 -0.73347961 From 103 observations 2024 Sept. 3-2025 Apr. 5, mean residual 0".46. 2025 April 04, 21:34:31 UT Orbital elements: SWAN25F (C/2025 F2 ?) T 2025 May 1.15765 TT Sato q 0.3331465 (2000.0) P Q z +0.0030051 Peri. 153.91416 -0.77820455 -0.37711865 Node 329.85523 +0.23648666 +0.56479455 e 0.9989989 Incl. 90.39774 +0.58178324 -0.73402223 >From 70 observations 2025 Mar. 20-Apr. 4, mean residual 0".50. 2025 April 04, 12:32:44 UT Orbital elements: SWAN25F (C/2025 F2 ?) T 2025 May 1.18274 TT Sato q 0.3329251 (2000.0) P Q z +0.0072069 Peri. 153.99495 -0.77853043 -0.37606928 Node 329.83662 +0.23760834 +0.56438107 e 0.9976006 Incl. 90.38230 +0.58088953 -0.73487816 From 47 observations 2025 Mar. 20-Apr. 4, mean residual 0".74. 2025 April 04, 00:16:21 UT Orbit-1 Orbital elements: SWAN25F (C/2025 F2 ?) T 2025 May 1.11016 TT Sato q 0.3330145 (2000.0) P Q Peri. 153.88451 -0.77897450 -0.37715033 Node 329.93558 +0.23466038 +0.56551739 e 1.0 Incl. 90.48539 +0.58149224 -0.73344919 From 24 observations 2025 Mar. 26-Apr. 3, mean residual 0".54. Orbit-2 Orbital elements: SWAN25F (C/2025 F2 ?) T 2025 May 1.09774 TT Sato q 0.3339109 (2000.0) P Q z -0.0113177 Peri. 153.65223 -0.77700270 -0.38072991 Node 329.91242 +0.23305833 +0.56578911 e 1.0037791 Incl. 90.41941 +0.58476544 -0.73138733 From 24 observations 2025 Mar. 26-Apr. 3, mean residual 0".52. 2025 April 03, 15:10:55 UT Orbital elements: SWAN25F (C/2025 F2 ?) T 2025 May 1.11867 TT Sato q 0.3330710 (2000.0) P Q Peri. 153.88047 -0.77876890 -0.37729403 Node 329.92167 +0.23490534 +0.56539086 e 1.0 Incl. 90.46706 +0.58166871 -0.73347283 From 21 observations 2025 Mar. 26-Apr. 3, mean residual 0".55. Residuals in seconds of arc (or two decimals in units of degrees) 250326 N89 0.4- 0.3+ 250402 247 1.6+ 1.0- 250403 970 0.4+ 0.4+ 250326 N89 0.1+ 0.4- 250402 G37 (2.3- 4.9-)Y 250403 970 0.5+ 0.2+ 250326 N89 0.2+ 0.4+ 250403 D15 0.0 0.3- 250403 970 0.2- 0.2+ 250330 247(0.66+ 0.07+) 250403 A71 0.6- 1.0+ 250403 970 0.5+ 0.4+ 250401 O40 0.1- 0.5- 250403 A71 0.1+ 0.4+ 250403 G40 1.2- 0.2- 250401 O40 0.6- 0.5- 250403 D15 0.4+ 0.6- 250403 G40 0.3- 0.6- 250401 O40 0.0 0.0 250403 A71 0.4+ 0.2+ 250403 G40 1.2- 0.8+ 250402 247(61.7+ 50.4-)Y 250403 A71 0.1+ 0.3+ 250402 247 (3.0+ 1.0-) 250403 D15 0.4+ 0.3- 2025 April 02, 22:47:28 UT Orbital elements: SWAN25F (C/2025 F2 ?) T 2025 Apr. 23.15335 TT Sato q 0.398856 (2000.0) P Q Peri. 145.8770 -0.8403770 -0.5383427 Node 356.1035 -0.3495779 +0.6270189 e 1.0 Incl. 112.2839 +0.4142002 -0.5630581 From 4 observations 2025 Mar. 30-Apr. 2, mean residual 1".34. Residuals in seconds of arc (or two decimals in units of degrees) 250322 249(1.54- 0.89-)X 250328 249(0.03- 0.41-)X 250402 247 1.0+ 1.4+ 250323 249(1.28- 1.08-)X 250329 249(0.13+ 0.53-)X 250402 247 0.3+ 1.5+ 250324 249(0.90- 0.91-)X 250330 247 0.3- 0.2+ 250402 G37 2.0- 2.3- Y 250326 249(0.90- 0.83-)X 250330 249(0.86+ 0.51-)X 250327 249(0.41- 0.58-)X 250331 249(1.26+ 0.05-)X 2025 April 02, 05:04:03 UT Orbital elements: SWAN25F (C/2025 F2 ?) T 2025 Apr. 11.02854 TT Sato q 0.386133 (2000.0) P Q Peri. 141.6967 -0.8066101 -0.5861164 Node 355.0491 -0.4189559 +0.6581760 e 1.0 Incl. 117.6170 +0.4169605 -0.4725165 From 9 observations 2025 Mar. 22-31, mean residual 473".11 = 0d.13. 2025 April 02, 00:13:03 UT Orbital elements: (SWAN25F) MEA R. Matson T 2025 Apr. 25.51803 TT Sato q 0.266502 (2000.0) P Q Peri. 159.9799 -0.8868748 -0.2196866 Node 335.2979 +0.1614251 +0.6769253 e 1.0 Incl. 103.4511 +0.4328914 -0.7025026 From 7 observations 2025 Mar. 22-29, mean residual 685".82. 250322 249 0.06- 0.16+ X 250326 249 0.30- 0.44- X 250329 249 0.09- 0.10+ X 250323 249 0.02+ 0.08- X 250327 249 0.06- 0.00 X 250324 249 0.22+ 0.03+ X 250328 249 0.28+ 0.21+ X 2025 April 01, 15:28:34 UT Orbital elements: (SWAN25F) MEA M. Mattiazzo T 2025 Apr. 12.54239 TT Sato q 0.374336 (2000.0) P Q Peri. 143.4340 -0.8370366 -0.5229220 Node 349.6771 -0.3169398 +0.7032588 e 1.0 Incl. 116.0402 +0.4460032 -0.4816426 From 6 observations 2025 Mar. 22-29, mean residual 370".47. 250322 249 0.06- 0.05+ X 250326 249 0.11- 0.19- X 250329 249 0.03+ 0.20+ X 250323 249 0.11+ 0.10+ X 250327 249 0.03+ 0.09- X 250324 249(0.64+ 0.34+)X 250328 249 0.02- 0.05- X --