‎2024 January 26, 12:29:52 UT Orbital elements: P/2015 HG16 = 2023 W2 (PANSTARRS) Epoch 2024 Oct. 17.0 TT = JDT 2460600.5 T 2024 Oct. 16.48740 TT Sato q 3.1231488 (2000.0) P Q n 0.09431489 Peri. 46.73188 -0.20506746 -0.93981899 a 4.7798677 Node 57.05886 +0.77691146 -0.32612960 e 0.3466035 Incl. 19.00461 +0.59527802 +0.10188102 P 10.45 From 59 observations 2015 Jan. 14-2023 Dec. 16, mean residual 0".66. Epoch 2024 Jan. 11.0 TT = JDT 2460320.5 T 2024 Oct. 16.34651 TT Sato q 3.1219927 (2000.0) P Q n 0.09375699 Peri. 46.74488 -0.20537870 -0.93974700 a 4.7988105 Node 57.06470 +0.77682031 -0.32639192 e 0.3494236 Incl. 19.00431 +0.59528968 +0.10170487 P 10.51 Residuals in seconds of arc 150114 F51 1.0+ 0.1- 150424 F51 0.4- 0.6+ 180714 T05(35.1+ 22.7-) 150114 F51 1.2+ 0.3- 150424 F51 0.3- 0.8+ 180714 T05(38.1+ 22.8-) 150114 F51 0.8+ 0.5- 150424 F51 0.5- 0.8+ 231117 W62(38.0- 12.6-) 150114 F51 0.8+ 0.3- 160211 F51 0.3- 0.1- 231117 W62(38.4- 12.1-) 150115 695 0.6+ 0.2- 160211 F51 0.8- 0.2- 231117 W62(38.8- 11.9-) 150115 695 0.8+ 0.5- 160211 F51 0.3- 0.1+ 231119 W62 1.5+ 0.6- 150324 F51 0.1+ 0.1- 160403 F51 0.9- 0.7- 231119 W62 1.3+ 0.7- 150324 F51 0.1+ 0.1- 160403 F51 0.3- 0.9- 231119 W62 1.2+ 0.6- 150324 F51 0.0 0.1- 160403 F51 0.4- 1.0- 231120 W62 0.4+ 1.2+ 150324 F51 0.3+ 0.1- 160403 F51 0.0 1.2- 231120 W62 0.3+ 0.1- 150409 F51 0.0 0.0 160404 F51 0.4- 0.9- 231120 W62 0.0 0.6+ 150409 F51 0.0 0.3+ 160404 F51 0.5- 0.9- 231207 V00 0.2+ 1.0- 150409 F51 0.4- 0.3+ 160404 F51 0.6- 0.7- 231207 V00 0.0 0.8- 150420 F51 0.3- 0.4+ 160404 F51 0.4- 0.6- 231207 V00 0.0 0.8- 150420 F51 0.3- 0.4+ 160406 568 0.4- 1.1- 231207 V00 0.2+ 0.8- 150420 F51 0.5- 0.3+ 160406 568 0.3- 1.1- 231208 F51 0.0 0.9- 150420 F51 0.3- 0.5+ 160406 568 0.4- 1.0- 231208 F51 0.3+ 0.8- 150421 F51 0.1- 0.5+ 160409 Q62 1.0- 0.9- 231208 F51 0.3+ 0.7- 150421 F51 0.6- 0.5+ 160409 Q62 1.3- 0.6- 231208 F51 0.2+ 0.7- 150421 F51 0.5- 0.5+ 160409 Q62 1.1- 1.2- 231216 215 0.0 1.1- 150421 F51 0.5- 0.0 160722 W84 (0.2+ 2.5-) 231216 215 0.8+ 0.7- 150424 F51 0.4- 0.7+ 180714 T05(32.7+ 22.4-) 231216 215 1.0+ 1.7- ‎2024 January 07, 13:06:08 UT Orbital elements: P/2015 HG16 (PANSTARRS) Epoch 2024 Oct. 17.0 TT = JDT 2460600.5 T 2024 Oct. 16.41529 TT Sato q 3.1229607 (2000.0) P Q n 0.09431624 Peri. 46.72603 -0.20497460 -0.93984033 a 4.7798222 Node 57.05898 +0.77694636 -0.32605025 e 0.3466366 Incl. 19.00432 +0.59526445 +0.10193815 P 10.45 From 48 observations 2015 Jan. 14-2023 Nov. 20, mean residual 0".53. Epoch 2023 Dec. 2.0 TT = JDT 2460280.5 T 2024 Oct. 16.30033 TT Sato q 3.1209041 (2000.0) P Q n 0.09367676 Peri. 46.76599 -0.20579633 -0.93967534 a 4.8015501 Node 57.06784 +0.77672796 -0.32668931 e 0.3500216 Incl. 18.99871 +0.59526594 +0.10141179 P 10.52 --