2018 May 30, 12:04:39 UT Orbital elements: C/2018 K1 (Weiland) = A1072Wf Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 T 2018 Apr. 6.89712 TT Sato q 1.8791700 (2000.0) P Q n 0.00602512 Peri. 325.00236 +0.40125173 -0.87580205 a 29.9106226 Node 260.00197 -0.76592173 -0.48143668 e 0.9371738 Incl. 164.19257 -0.50235541 +0.03448900 P 163.58 From 91 observations 2017 Nov. 6-2018 May 30, mean residual 0".57. Epoch 2018 June 11.0 TT = JDT 2458280.5 T 2018 Apr. 6.90085 TT Sato q 1.8791741 (2000.0) P Q n 0.00601354 Peri. 325.00384 +0.40122748 -0.87581405 a 29.9490251 Node 260.00184 -0.76593574 -0.48141401 e 0.9372542 Incl. 164.19274 -0.50235341 +0.03450066 P 163.90 Residuals in seconds of arc 171106 F51 0.1- 0.0 180526 Q62 1.1- 0.6+ 180527 H06 1.5+ 0.0 171106 F51 0.0 0.0 180526 Q62 0.7- 0.9- 180527 H06 0.1- 0.4+ 171106 F51 0.1+ 0.1- 180526 E23 0.8- 1.6+ 180527 I52 0.8+ 0.5+ 180524 F51 0.1+ 0.2+ 180526 E23 0.0 0.6- 180527 I52 0.4+ 0.0 180524 F51 0.2+ 0.2+ 180526 Q62 1.5- 0.1+ 180527 I52 0.7+ 0.1+ 180525 T08 0.3- 0.6- 180526 E23 0.7- 0.3+ 180527 W88 0.1- 0.6- 180525 T08 0.6- 1.0- 180526 E23 0.2+ 1.1- 180527 I52 0.3+ 0.1+ 180525 T08 0.6- 0.8- 180526 E23 0.2+ 0.5- 180527 W88 0.1+ 0.6- 180525 T08 0.6- 0.4- 180526 Q62 0.5+ 0.5+ 180527 W88 0.3- 0.6- 180525 T08 0.5- 0.2- 180526 Q62 0.1+ 0.3+ 180528 W96 0.8- 0.6+ 180525 T08 0.2- 0.2- 180526 Q62 0.1+ 0.4+ 180528 W96 1.3+ 0.2- 180525 T08 0.7+ 0.3- 180526 Q62 0.5- 0.0 180528 W96 0.4- 1.3+ 180525 Q62 0.4+ 0.3+ 180526 Q62 0.2- 0.5+ 180528 W96 0.5+ 1.7+ 180525 Q62 0.6+ 0.0 180526 Q62 0.3- 0.3- 180528 W96 0.8- 0.1+ 180525 Q62 0.8+ 0.2+ 180526 349 0.4+ 0.6- 180528 W96 0.6+ 0.1- 180525 Q62 0.3+ 0.0 180526 349 0.5+ 0.6- 180528 W96 1.3+ 0.1+ 180525 Q62 0.2+ 0.1+ 180526 372 0.2+ 0.1+ 180528 Y00 0.2- 0.1- 180525 Q62 0.1+ 0.4+ 180526 372 0.3+ 0.1+ 180528 Y00 0.8- 0.1- 180526 I47 0.7- 0.5+ 180526 Q62 0.6+ 0.4+ 180528 Y00 0.2- 0.0 180526 I47 0.4- 0.3- 180526 Q62 0.5- 0.5+ 180528 Y00 0.1- 0.3- 180526 W88 0.6+ 0.4+ 180526 Q62 0.3+ 0.2+ 180528 Q62 0.3+ 0.2- 180526 W88 0.3- 0.6- 180526 Q62 0.3- 0.1+ 180528 Q62 0.2- 0.1- 180526 W88 0.9+ 0.3+ 180526 Q62 0.4+ 0.3+ 180528 Q62 0.1+ 0.4+ 180526 W88 0.0 0.3- 180526 Q62 0.7- 0.5- 180529 H47 0.9- 0.3- 180526 W88 0.0 0.2- 180526 Q62 0.2+ 0.1+ 180529 H47 0.3+ 0.0 180526 Q62 1.8+ 0.3- 180526 Q62 0.6+ 0.2+ 180530 Y00 0.4+ 0.0 180526 Q62 0.2+ 0.5+ 180526 Q62 0.4+ 0.5+ 180530 Y00 0.3- 1.1- 180526 Q62 0.7+ 0.9+ 180527 Y00 0.0 1.1- 180530 691 0.1+ 0.2+ 180526 Q62 1.6- 0.2+ 180527 Y00 1.0- 1.1- 180530 691 0.5- 0.0 180526 Q62 1.2- 0.4+ 180527 W88 0.4- 0.6- 180526 Q62 0.1+ 0.1+ 180527 W88 0.4- 0.1- 2018 May 28, 21:44:23 UT Orbital elements: C/2018 K1 ? = A1072Wf Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 T 2018 Apr. 6.90919 TT Sato q 1.8792397 (2000.0) P Q n 0.00598259 Peri. 325.00797 +0.40117542 -0.87583396 a 30.0522273 Node 260.00267 -0.76596197 -0.48137491 e 0.9374675 Incl. 164.19200 -0.50235500 +0.03454094 P 164.75 From 85 observations 2017 Nov. 6-2018 May 28, mean residual 0".57. Epoch 2018 June 11.0 TT = JDT 2458280.5 T 2018 Apr. 6.91292 TT Sato q 1.8792437 (2000.0) P Q n 0.00597103 Peri. 325.00944 +0.40115118 -0.87584596 a 30.0909970 Node 260.00253 -0.76597597 -0.48135224 e 0.9375480 Incl. 164.19217 -0.50235300 +0.03455261 P 165.06 2018 May 28, 11:53:03 UT Orbital elements: C/2018 K1 ? = A1072Wf Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 T 2018 Apr. 6.91889 TT Sato q 1.8793045 (2000.0) P Q n 0.00594549 Peri. 325.01250 +0.40111509 -0.87585897 a 30.1770953 Node 260.00332 -0.76599381 -0.48132639 e 0.9377241 Incl. 164.19152 -0.50235463 +0.03458272 P 165.77 From 78 observations 2017 Nov. 6-2018 May 28, mean residual 0".59. Epoch 2018 June 11.0 TT = JDT 2458280.5 T 2018 Apr. 6.92262 TT Sato q 1.8793085 (2000.0) P Q n 0.00593396 Peri. 325.01398 +0.40109086 -0.87587097 a 30.2161902 Node 260.00319 -0.76600781 -0.48130373 e 0.9378046 Incl. 164.19169 -0.50235263 +0.03459438 P 166.10 2018 May 27, 08:38:14 UT Orbit-1 Orbital elements: C/2018 K1 ? = A1072Wf T 2018 Apr. 11.16515 TT Sato q 1.8989759 (2000.0) P Q Peri. 326.98102 +0.37075419 -0.88982266 Node 259.97920 -0.78277355 -0.45353283 e 1.0 Incl. 164.32844 -0.49980686 +0.05023547 From 37 observations 2018 May 25-26, mean residual 0".50. Orbit-2 Orbital elements: C/2018 K1 ? = A1072Wf T 2018 Apr. 8.88813 TT Sato q 1.8879699 (2000.0) P Q n 0.00298057 Peri. 325.95454 +0.38662338 -0.88262575 a 47.8192736 Node 259.99205 -0.77409843 -0.46817552 e 0.9605186 Incl. 164.24554 -0.50129232 +0.04223122 P 330.68 From 37 observations 2018 May 25-26, mean residual 0".50. 2018 May 26, 21:32:08 UT Orbital elements: C/2018 K1 ? = A1072Wf T 2018 Mar. 21.83956 TT Sato q 1.8059192 (2000.0) P Q n 0.07191833 Peri. 318.00947 +0.50369126 -0.81793722 a 5.7267687 Node 260.04730 -0.69832932 -0.57493744 e 0.6846530 Incl. 163.60671 -0.50855804 -0.02063119 P 13.70 From 25 observations 2018 May 25-26, mean residual 0".51. 2018 May 26, 08:36:57 UT Orbital elements: C/2018 K1 ? = A1072Wf T 2018 July 16.53812 TT Sato q 1.7580739 (2000.0) P Q Peri. 19.57391 -0.50104080 -0.82663030 Node 258.74675 -0.82475244 +0.36640121 e 1.0 Incl. 164.85717 -0.26218605 +0.42712117 From 13 observations 2018 May 25-25, mean residual 0".27. 2018 May 26, 02:13:27 UT Orbital elements: A1072Wf T 2018 Aug. 6.24268 TT Sato q 1.6144586 (2000.0) P Q n 0.08372619 Peri. 32.96300 -0.67937939 -0.68364064 a 5.1748191 Node 258.57721 -0.71826993 +0.54524191 e 0.6880164 Incl. 164.21703 -0.15010650 +0.48512549 P 11.77 From 10 observations 2018 May 25-25, mean residual 0".30. --