2021 January 18, 12:05:56 UT Orbital elements: P/2016 J3 = 2021 A3 (STEREO) Epoch 2021 Jan. 26.0 TT = JDT 2459240.5 T 2021 Jan. 25.38434 TT Sato q 0.5263757 (2000.0) P Q n 0.21071106 Peri. 210.73084 -0.27660329 -0.87921489 a 2.7969057 Node 257.78845 +0.94250066 -0.16941148 e 0.8118007 Incl. 23.38373 +0.18757164 -0.44528746 P 4.68 From 68 observations 2020 Dec. 19-2021 Jan. 16, mean residual 0".47. Residuals in seconds of arc 201219 G96 0.0 0.7+ 210108 204 0.6+ 0.2+ 210110 A71 0.2+ 0.0 201219 G96 0.0 0.4- 210108 204 0.6+ 0.7+ 210110 A71 0.1+ 0.1+ 201219 G96 0.2- 0.1- 210109 V37 0.1- 0.0 210110 204 0.8+ 0.3- 210104 I41 0.4+ 0.3+ 210109 V37 0.2- 0.4+ 210110 204 0.0 0.2+ 210104 I41 0.1- 0.0 210109 V37 0.3+ 0.3+ 210110 204 0.2- 0.0 210104 I41 0.1- 0.2+ 210109 V37 0.3+ 0.4+ 210110 204 0.0 0.2+ 210104 I41 0.1+ 0.0 210109 H06 0.3- 0.6- 210110 204 0.1- 0.2- 210105 I41 0.4+ 0.4- 210109 H06 0.6- 0.2- 210111 A71 0.2- 0.8+ 210105 I41 0.2+ 0.3- 210109 H06 0.1+ 0.2- 210111 A71 0.9+ 0.2+ 210105 I41 0.5+ 0.2- 210109 Q11 0.1+ 0.1+ 210111 A71 0.7- 0.8- 210105 I41 0.1- 0.7- 210109 349 0.3- 0.1- 210111 A77 0.5+ 0.3- 210107 K88 1.3+ 1.1+ 210109 Q11 0.0 0.1- 210111 A77 0.8+ 0.8- 210107 K88 0.4- 0.1+ 210109 349 0.6- 0.1- 210111 A77 0.6+ 1.3- 210107 K88 0.5+ 0.2- 210109 Q11 0.0 0.2+ 210113 349 0.2- 0.9+ 210107 A71 0.6- 0.0 210109 349 0.2- 0.1+ 210113 349 0.1- 1.0+ 210107 A71 0.3- 0.0 210109 349 0.4- 0.6+ 210113 349 0.4- 0.9+ 210108 H06 0.3- 0.6- 210109 349 0.7- 0.1+ 210114 A77 0.0 0.4+ 210108 H06 0.7+ 0.2- 210110 349 0.6- 0.5+ 210114 A77 0.5+ 0.3+ 210108 K88 0.0 0.3- 210110 349 0.4- 0.2+ 210114 A77 0.5- 0.1- 210108 K88 0.2- 0.3- 210110 349 0.4- 0.2+ 210116 A77 0.2- 0.2- 210108 G06 0.5- 1.8- 210110 349 0.5- 0.0 210116 A77 0.3+ 0.7- 210108 G06 0.3- 0.3- 210110 349 0.8- 0.1- 210116 A77 0.4+ 0.6- 210108 204 0.6+ 0.6+ 210110 A71 0.2+ 0.4+ 2021 January 12, 02:30:20 UT Orbital elements: P/2016 J3 (STEREO) = ZTF0Ion Epoch 2021 Jan. 26.0 TT = JDT 2459240.5 T 2021 Jan. 25.38600 TT Sato q 0.5263667 (2000.0) P Q n 0.21089618 Peri. 210.73539 -0.27669543 -0.87918598 a 2.7952688 Node 257.78978 +0.94248095 -0.16950567 e 0.8116937 Incl. 23.38359 +0.18753479 -0.44530871 P 4.6 From 131 observations 2016 May 11-2021 Jan. 10, mean residual 2".92. Epoch 2016 May 12.0 TT = JDT 2457520.5 T 2016 May 23.17427 TT Sato q 0.5307834 (2000.0) P Q n 0.21044534 Peri. 210.65667 -0.27635932 -0.87921377 a 2.7992596 Node 257.84426 +0.94248811 -0.16895101 e 0.8103844 Incl. 23.38978 +0.18799384 -0.44546458 P 4.68 --