2025 January 15, 23:06:39 UT Orbital elements: C/2025 A3 (Tsuchinshan) Epoch 2026 Mar. 21.0 TT = JDT 2461120.5 T 2026 Mar. 26.28539 TT Sato q 5.7669433 (2000.0) P Q n 0.03020833 Peri. 223.40833 -0.98848255 +0.10836259 a 10.2106077 Node 322.42668 -0.03836282 -0.85467724 e 0.4352008 Incl. 9.97647 -0.14639174 -0.50772470 P 32.63 From 32 observations 2024 Dec. 25-2025 Jan. 12, mean residual 0".42. Epoch 2025 Feb. 14.0 TT = JDT 2460720.5 T 2026 Mar. 25.82398 TT Sato q 5.7674329 (2000.0) P Q n 0.03026191 Peri. 223.35902 -0.98856648 +0.10758826 a 10.1985505 Node 322.43100 -0.03768586 -0.85469218 e 0.4344850 Incl. 9.97804 -0.14600032 -0.50786420 P 32.57 Residuals in seconds of arc 241225 F52 0.0 0.3- 241229 F51 0.4- 0.3+ 250111 L06 0.7- 0.4- 241225 F52 0.2+ 0.0 250104 F52 0.2- 0.2+ 250111 L06 0.7- 0.1+ 241225 F52 0.2+ 0.2- 250104 F52 0.3- 0.1+ 250111 L06 0.4- 0.1- 241225 F52 0.1+ 0.1- 250104 F52 0.3- 0.0 250112 M45 0.2- 0.2- 241228 F52 0.1+ 0.1- 250105 D29 0.2- 0.3+ 250112 M45 0.1+ 0.0 241228 F52 0.2- 0.1- 250105 D29 0.1+ 0.9- 250112 M45 0.2+ 0.1- 241228 F52 0.0 0.1+ 250105 D29 0.1- 1.0- 250112 E29 0.3- 0.6+ 241228 F52 0.4+ 0.1+ 250107 088 0.4+ 0.1+ 250112 E29 0.2- 0.3+ 241229 F51 0.0 0.5+ 250107 088 0.4+ 0.0 250112 E29 0.4+ 0.4+ 241229 F51 0.4- 0.9+ 250109 N89 0.8+ 0.6- 250112 E29 0.0 1.0+ 241229 F51 0.2- 0.1- 250109 N89 1.3+ 0.7- --