2026 January 28, 23:20:03 UT Orbit-1 Orbital elements: C/2026 B2 (Sun-Gao) T 2026 Jan. 10.17454 TT Sato q 1.2847763 (2000.0) P Q Peri. 47.34735 -0.08827054 +0.70542394 Node 234.64580 -0.95700608 +0.13578747 e 1.0 Incl. 59.57358 +0.27631081 +0.69565712 From 70 observations 2026 Jan. 19-26, mean residual 0".77. Residuals in seconds of arc 260119 N86 1.3+ 1.1- 260121 K74 0.6+ 0.3- 260123 O42 1.1- 0.8+ 260119 N86 0.3- 0.3- 260121 215 0.2- 0.3- 260123 O40 0.3- 0.5+ 260119 N86 0.2+ 1.1- 260121 215 0.3- 0.3- 260124 G34 0.6+ 0.5- 260119 N86 0.1+ 1.5+ 260121 K77 0.9- 0.8+ 260124 G34 0.8- 0.7- 260119 W05 0.2+ 0.4- 260121 K74 0.0 0.8- 260124 G34 0.4+ 0.0 260119 W05 0.2+ 0.2+ 260121 349 1.1- 1.2+ 260124 Q23 0.6+ 0.6+ 260119 W05 1.6+ 1.0+ 260121 349 0.7- 0.9+ 260124 Q23 0.5+ 0.5+ 260120 C23 0.2- 0.5+ 260121 O40 1.1+ 1.1- 260124 O40 0.7- 0.2+ 260120 C23 0.1+ 1.1- 260121 O40 1.8+ 0.4+ 260124 O42 0.4- 0.6- 260120 C23 0.8- 1.0- 260122 K74 0.1- 0.0 260124 O40 1.0+ 0.5- 260120 C23 0.3- 0.2- 260122 K74 0.2- 0.1- 260124 O42 1.1+ 1.3- 260120 C23 0.0 0.0 260122 L06 0.1+ 0.7+ 260124 N86 0.5- 0.1- 260120 W05 0.4- 0.4- 260122 K74 0.1+ 0.5+ 260124 N86 1.1+ 0.0 260120 W05 1.0- 0.7- 260122 L06 0.4+ 0.4+ 260124 N86 0.6- 0.6- 260120 W05 (0.2+ 2.2-) 260122 U94 0.5+ 0.6+ 260125 N86 0.8- 0.2- 260120 O42 0.5- 1.2- 260122 U94 0.5+ 0.0 260125 N86 0.8- 0.7- 260120 O42 0.7+ 0.0 260122 O42 1.3- 0.4- 260125 O40 0.2+ 0.2+ 260121 G00 1.9- 1.8+ 260122 O42 1.5- 0.3- 260125 O40 0.1- 0.8- 260121 G00 0.8+ 0.2+ 260122 O42 0.9- 0.7+ 260126 G37 0.4+ 1.3+ 260121 G00 (2.2- 0.4-) 260123 N86 1.8+ 0.6+ 260126 G37 1.7- 0.3- 260121 204 0.5- 0.0 260123 N86 1.1+ 0.8+ 260126 G37 (3.1- 1.0-) 260121 K74 0.9+ 0.7- 260123 D88 0.1- 0.5+ 260126 O40 0.0 0.5- 260121 K77 0.5- 0.5- 260123 D88 0.9+ 0.8+ 260126 O40 1.7+ 1.3- 260121 204 0.0 0.5- 260123 O40 0.4+ 1.3+ 260121 215 0.7- 1.1+ 260123 O42 0.6- 0.2+ Orbit-2 Orbital elements: C/2026 B2 (Sun-Gao) Epoch 2025 Dec. 31.0 TT = JDT 2461040.5 T 2026 Jan. 9.76516 TT Sato q 1.2774501 (2000.0) P Q n 0.00431017 Peri. 46.99280 -0.09422108 +0.70400985 a 37.3943844 Node 234.61363 -0.95735779 +0.12989384 e 0.9658385 Incl. 59.70217 +0.27310887 +0.69821037 P 228.67 From 70 observations 2026 Jan. 19-26, mean residual 0".76. Epoch 2026 Feb. 9.0 TT = JDT 2461080.5 T 2026 Jan. 9.76508 TT Sato q 1.2774500 (2000.0) P Q n 0.00431167 Peri. 46.99289 -0.09422210 +0.70401313 a 37.3857452 Node 234.61337 -0.95735770 +0.12989191 e 0.9658306 Incl. 59.70201 +0.27310883 +0.69820743 P 228.59 Residuals in seconds of arc 260119 N86 1.1+ 0.7- 260121 K74 0.6+ 0.4- 260123 O42 1.0- 0.7+ 260119 N86 0.4- 0.0 260121 215 0.2- 0.4- 260123 O40 0.2- 0.4+ 260119 N86 0.1+ 0.7- 260121 215 0.2- 0.3- 260124 G34 0.7+ 0.6- 260119 N86 0.1- 1.9+ 260121 K77 0.9- 0.7+ 260124 G34 0.8- 0.8- 260119 W05 0.1+ 0.2- 260121 K74 0.0 0.9- 260124 G34 0.5+ 0.1- 260119 W05 0.1+ 0.4+ 260121 349 1.0- 1.0+ 260124 Q23 0.6+ 0.6+ 260119 W05 1.5+ 1.2+ 260121 349 0.7- 0.7+ 260124 Q23 0.5+ 0.5+ 260120 C23 0.3- 0.6+ 260121 O40 1.1+ 1.2- 260124 O40 0.7- 0.2+ 260120 C23 0.0 1.0- 260121 O40 1.8+ 0.2+ 260124 O42 0.4- 0.6- 260120 C23 0.8- 1.0- 260122 K74 0.0 0.1- 260124 O40 1.0+ 0.5- 260120 C23 0.3- 0.1- 260122 K74 0.1- 0.2- 260124 O42 1.1+ 1.3- 260120 C23 0.1- 0.0 260122 L06 0.2+ 0.6+ 260124 N86 0.5- 0.1- 260120 W05 0.4- 0.4- 260122 K74 0.1+ 0.3+ 260124 N86 1.1+ 0.0 260120 W05 1.0- 0.7- 260122 L06 0.5+ 0.2+ 260124 N86 0.6- 0.5- 260120 W05 (0.1+ 2.2-) 260122 U94 0.6+ 0.5+ 260125 N86 0.8- 0.2- 260120 O42 0.5- 1.2- 260122 U94 0.6+ 0.2- 260125 N86 0.7- 0.6- 260120 O42 0.7+ 0.0 260122 O42 1.2- 0.6- 260125 O40 0.1+ 0.4+ 260121 G00 1.9- 1.7+ 260122 O42 1.4- 0.5- 260125 O40 0.2- 0.6- 260121 G00 0.8+ 0.1+ 260122 O42 0.8- 0.5+ 260126 G37 0.2+ 1.6+ 260121 G00 (2.2- 0.5-) 260123 N86 1.9+ 0.5+ 260126 G37 1.9- 0.0 260121 204 0.5- 0.1- 260123 N86 1.2+ 0.7+ 260126 G37 (3.3- 0.7-) 260121 K74 0.9+ 0.8- 260123 D88 0.0 0.4+ 260126 O40 0.3- 0.1- 260121 K77 0.5- 0.5- 260123 D88 1.0+ 0.7+ 260126 O40 1.4+ 0.9- 260121 204 0.0 0.6- 260123 O40 0.4+ 1.2+ 260121 215 0.7- 1.0+ 260123 O42 0.5- 0.1+ 2026 January 25, 13:31:45 UT Orbital elements: GS25115 = C/2026 Bx ? Epoch 2025 Dec. 31.0 TT = JDT 2461040.5 T 2026 Jan. 9.56239 TT Sato q 1.2736557 (2000.0) P Q n 0.00810138 Peri. 46.81735 -0.09718659 +0.70323466 a 24.5525546 Node 234.59944 -0.95750174 +0.12701503 e 0.9481253 Incl. 59.77127 +0.27156065 +0.69951997 P 121.66 From 64 observations 2026 Jan. 19-25, mean residual 0".74. Epoch 2026 Feb. 9.0 TT = JDT 2461080.5 T 2026 Jan. 9.56232 TT Sato q 1.2736556 (2000.0) P Q n 0.00810322 Peri. 46.81744 -0.09718762 +0.70323794 a 24.5488415 Node 234.59918 -0.95750164 +0.12701311 e 0.9481175 Incl. 59.77112 +0.27156063 +0.69951703 P 121.63 2026 January 23, 00:36:26 UT Orbital elements: GS25115 = C/2026 Bx ? T 2026 Jan. 10.28648 TT Sato q 1.2850438 (2000.0) P Q Peri. 47.44172 -0.08686468 +0.70525594 Node 234.67355 -0.95677325 +0.13771969 e 1.0 Incl. 59.58771 +0.27755988 +0.69544758 From 41 observations 2026 Jan. 19-22, mean residual 0".72. 2026 January 20, 14:11:33 UT Orbital elements: NEOCP GS2511= Comet C/2026 Bx ? T 2026 Jan. 5.42194 TT Sato q 1.2731439 (2000.0) P Q Peri. 43.17429 -0.14798237 +0.70685321 Node 233.73200 -0.96376041 +0.05390211 e 1.0 Incl. 59.08416 +0.22196193 +0.70530355 From 15 observations 2026 Jan. 19-20, mean residual 0".68. 2026 January 20, 03:56:46 UT Orbital elements: GS25115 T 2025 Dec. 28.97969 TT Sato q 0.2545097 (2000.0) P Q Peri. 60.84850 +0.35517640 -0.48801649 Node 306.81373 -0.66030964 +0.47275638 e 1.0 Incl. 84.80678 +0.66169548 +0.73371746 From 6 observations 2026 Jan. 19-19, mean residual 0".41. --