September 17, 2016 13:00:32 UT Orbital elements: C/2016 R3 (Borisov) = gb00098 T 2016 Oct. 10.97148 TT Sato q 0.4485831 (2000.0) P Q Peri. 117.86450 -0.61339443 +0.10242670 Node 78.68875 -0.60557977 -0.69749459 e 1.0 Incl. 52.99842 +0.50697182 -0.70923203 From 43 observations 2016 Sept. 11-16, mean residual 0".85. Residuals in seconds of arc 160911 L51 0.5- 0.8+ 160913 J95 0.6- 0.3+ 160914 850 0.2+ 0.3+ 160911 L51 0.3- 0.7+ 160914 D00 0.9- 0.6- 160915 L51 0.8+ 0.6- 160911 L51 (4.2- 1.4+) 160914 D00 0.1- 0.3- 160915 L51 1.7+ 0.1+ 160912 L51 1.1- 1.5- 160914 D00 0.0 0.5- 160915 L51 1.6+ 0.6+ 160912 L51 1.3+ 1.2+ 160914 L51 1.7- 0.5- 160915 L51 1.0+ 0.5+ 160912 L51 1.1+ 0.8+ 160914 L51 0.2- 0.3- 160915 A71 0.1+ 0.3+ 160912 U69 0.2+ 0.7- 160914 L04 1.1- 0.5+ 160915 A71 0.3+ 0.1- 160912 U69 0.1- 0.6- 160914 L04 0.3- 1.1+ 160915 A71 1.0- 0.4+ 160912 U69 0.2- 0.5- 160914 L04 0.8- 0.7+ 160915 J95 0.4+ 0.5+ 160913 L51 1.6- 0.6- 160914 C10 (2.0+ 0.2-) 160915 J95 0.2+ 0.6+ 160913 L51 (2.2- 1.3+) 160914 C10 0.2+ 0.3+ 160915 850 0.9- 0.6- 160913 A71 1.6+ 0.4+ 160914 J95 1.3- 0.1+ 160915 850 1.4- 0.9- 160913 C23 1.3+ 2.0- 160914 C10 0.8- 0.9+ 160915 850 0.4- 0.9- 160913 C23 (9.0- 6.2+) 160914 J95 1.8- 0.2+ 160916 L51 (2.4- 2.2+) 160913 A71 (2.4+ 0.2-) 160914 G40 1.6+ 0.5+ 160916 L51 0.2+ 0.6+ 160913 A71 1.3+ 0.8- 160914 G40 0.7+ 1.3- 160913 J95 0.1+ 0.8+ 160914 850 1.0+ 0.1+ Orbital elements: C/1915 R1 (Mellish) T 1915 Oct. 13.86284 TT Sato q 0.4461378 (2000.0) P Q Peri. 118.49056 -0.60720523 +0.10715166 Node 78.72781 -0.61587481 -0.68950459 e 1.0 Incl. 53.39567 +0.50199604 -0.71631134 From 5 observations 1915 Sept. 20-23, mean residual 2".99. Residuals in seconds of arc 150919 754(21.2- 27.7+) 150921 754 2.5- 3.5- 150922 754 3.6+ 6.7+ 150920 662 0.9+ 1.0+ 150921 662 0.6- 1.6- 150923 662 1.3- 2.6- Orbital elements: ? C/1915 R1 = C/2016 R3 = gb00098 Epoch 1915 Oct. 30.0 TT = JDT 2420800.5 T 1915 Oct. 13.64975 TT Sato q 0.4633277 (2000.0) P Q z +0.0456465 Peri. 116.46174 -0.63313287 +0.07944855 +/-0.0000022 Node 77.81909 -0.57335474 -0.71639429 e 0.9788507 Incl. 51.97005 +0.52000683 -0.69315738 P 102.54 From 47 observations 1915 Sept. 21-2016 Sept. 16, mean residual 209".49. Epoch 2016 Oct. 19.0 TT = JDT 2457680.5 T 2016 Oct. 11.08005 TT Sato q 0.4646030 (2000.0) P Q z +0.0455671 Peri. 116.51563 -0.63442827 +0.07687448 +/-0.0000022 Node 77.61690 -0.57184962 -0.71617198 e 0.9788294 Incl. 51.94967 +0.52008535 -0.69367717 P 102.81 Residuals in seconds of arc (or two decimals in units of degrees) 150919 754(0.15- 0.26+) 160913 C23 6.2- 3.2+ 160914 G40 2.2- 1.0- 150920 662(0.14- 0.26+) 160913 A71 5.2+ 3.2- 160914 850 2.0- 0.8+ 150921 754 0.13- 0.25+ 160913 A71 4.0+ 3.8- 160914 850 2.8- 1.0+ 150921 662 0.13- 0.25+ 160913 J95 2.6+ 2.1- 160915 L51 0.6- 1.3+ 150922 754 0.12- 0.26+ 160913 J95 1.9+ 2.6- 160915 L51 0.3+ 2.1+ 150923 662 0.11- 0.25+ 160914 D00 3.5- 0.8- 160915 L51 0.2+ 2.6+ 160911 L51(34.1+ 9.2-) 160914 D00 2.7- 0.5- 160915 L51 0.3- 2.5+ 160911 L51(34.1+ 9.3-) 160914 D00 2.6- 0.7- 160915 A71 1.0- 2.3+ 160911 L51(30.0+ 8.6-) 160914 L51 4.3- 0.6- 160915 A71 0.9- 2.0+ 160912 L51(14.9+ 8.1-) 160914 L51 2.8- 0.4- 160915 A71 2.1- 2.4+ 160912 L51(17.2+ 5.4-) 160914 L04 3.8- 0.4+ 160915 J95 0.5- 2.7+ 160912 L51(16.9+ 5.8-) 160914 L04 3.0- 1.0+ 160915 J95 0.7- 2.7+ 160912 U69 9.6+ 5.7- 160914 L04 3.5- 0.6+ 160915 850 0.2- 1.8+ 160912 U69 9.2+ 5.6- 160914 C10 0.7- 0.2- 160915 850 0.6- 1.5+ 160912 U69 9.1+ 5.5- 160914 C10 2.6- 0.3+ 160915 850 0.4+ 1.5+ 160913 L51 1.7+ 3.8- 160914 J95 4.1- 0.1+ 160916 L51 4.9+ 5.0+ 160913 L51 1.1+ 1.9- 160914 C10 3.6- 1.0+ 160916 L51 7.5+ 3.4+ 160913 A71 4.5+ 2.6- 160914 J95 4.6- 0.3+ 160913 C23 4.2+ 5.0- 160914 G40 1.3- 0.8+ Orbital elements: C/1915 R1 (Mellish) Eccentricity assumed Epoch 1915 Oct. 30.0 TT = JDT 2420800.5 T 1915 Oct. 14.14377 TT Sato q 0.4358145 (2000.0) P Q n 0.02870538 Peri. 120.33156 -0.60115387 +0.11863245 a 10.5639717 Node 78.39340 -0.63670943 -0.66871684 e 0.9587452 Incl. 53.78208 +0.48292353 -0.73399191 P 34.34 From 3 observations 1915 Sept. 20-23, mean residual 0".98. 1/a = 0.0946614. Epoch 2016 Oct. 19.0 TT = JDT 2457680.5 T 2016 Oct. 13.82596 TT Sato q 0.4284154 (2000.0) P Q n 0.02940553 Peri. 120.38735 -0.60123795 +0.11094785 a 10.3956119 Node 77.96989 -0.63459743 -0.66810653 e 0.9587888 Incl. 54.00804 +0.48559142 -0.73574740 P 33.52 Residuals in seconds of arc 150919 754(22.3- 29.8+) 150921 754 (2.5- 3.7-) 150922 754 (4.3+ 7.2+) 150920 662 0.3+ 1.2+ 150921 662 0.5- 1.8- 150923 662 0.2+ 0.6+ Orbital elements: ? C/1915 R1 = C/2016 R3 = gb00098 Epoch 1915 Oct. 30.0 TT = JDT 2420800.5 T 1915 Oct. 14.49408 TT Sato q 0.4391954 (2000.0) P Q n 0.02870579 Peri. 120.40399 -0.60110348 +0.13046828 a 10.5638707 Node 78.94865 -0.64099890 -0.66791524 e 0.9584248 Incl. 53.45091 +0.47727876 -0.73271226 P 34.33 From 36 observations 1915 Sept. 21-2016 Sept. 15, mean residual 24".22. 1/a = 0.0946623. Epoch 2016 Oct. 19.0 TT = JDT 2457680.5 T 2016 Oct. 11.23997 TT Sato q 0.4318400 (2000.0) P Q n 0.02940070 Peri. 120.45772 -0.60126152 +0.12286440 a 10.3967511 Node 78.52903 -0.63885284 -0.66742178 e 0.9584639 Incl. 53.67231 +0.47994962 -0.73447430 P 33.52 From 36 observations 1915 Sept. 21-2016 Sept. 15, mean residual 24".22. 1/a = 0.0961839. Epoch 1983 July 5.0 TT = JDT 2445520.5 T 1983 July 7.25534 TT Sato q 0.4344782 (2000.0) P Q n 0.02931236 Peri. 120.64745 -0.60159822 +0.12229936 a 10.4176290 Node 78.37821 -0.63975281 -0.66551492 e 0.9582939 Incl. 53.69756 +0.47832617 -0.73629665 P 33.62 Epoch 1949 Nov. 20.0 TT = JDT 2433240.5 T 1949 Nov. 10.46143 TT Sato q 0.4388665 (2000.0) P Q n 0.02895706 Peri. 120.56341 -0.60153741 +0.12568430 a 10.5026694 Node 78.60019 -0.64028509 -0.66638516 e 0.9582138 Incl. 53.58827 +0.47769001 -0.73493828 P 34.04 Residuals in seconds of arc (or two decimals in units of degrees) 150919 754(0.01- 0.07+) 160913 C23 (9.0- 6.5+) 160914 G40 1.3+ 1.7- 150920 662(0.02+ 0.05+) 160913 A71 (2.5+ 0.1+) 160914 850 1.5+ 0.3- 150921 754 0.03+ 0.05+ 160913 A71 1.4+ 0.5- 160914 850 0.7+ 0.1- 150921 662(0.04+ 0.05+) 160913 J95 0.2+ 1.1+ 160915 L51 0.5+ 0.5- 150922 754(0.06+ 0.04+) 160913 J95 0.4- 0.5+ 160915 L51 1.4+ 0.2+ 150923 662(0.08+ 0.03+) 160914 D00 0.3- 1.0- 160915 L51 1.3+ 0.8+ 160911 L51 (5.7- 6.1+) 160914 D00 0.5+ 0.7- 160915 L51 0.7+ 0.7+ 160911 L51 (5.6- 5.9+) 160914 D00 0.6+ 0.9- 160915 A71 0.2- 0.5+ 160911 L51 (9.5- 6.6+) 160914 L51 1.0- 0.9- 160915 A71 0.1- 0.1+ 160912 L51 (3.1- 0.9+) 160914 L51 0.4+ 0.7- 160915 A71 1.4- 0.6+ 160912 L51 (0.7- 3.5+) 160914 L04 0.5- 0.0 160915 J95 0.1- 0.8+ 160912 L51 (0.9- 3.1+) 160914 L04 0.4+ 0.6+ 160915 J95 0.3- 0.9+ 160912 U69 0.7- 0.6+ 160914 L04 0.2- 0.2+ 160915 850 1.9- 0.0 160912 U69 1.1- 0.7+ 160914 C10 (2.6+ 0.6-) 160915 850 (2.4- 0.2-) 160912 U69 1.2- 0.8+ 160914 C10 0.8+ 0.1- 160915 850 1.4- 0.3- 160913 L51 1.6- 0.2- 160914 J95 0.7- 0.3- 160916 L51 (5.3- 4.5+) 160913 L51 (2.2- 1.7+) 160914 C10 0.2- 0.5+ 160916 L51 (2.7- 2.9+) 160913 A71 1.6+ 0.7+ 160914 J95 1.2- 0.3- 160913 C23 1.4+ 1.6- 160914 G40 (2.2+ 0.1+) September 14, 2016A15:53:51 UT Orbital elements: gb00098 T 2016 Oct. 10.97804 TT Sato q 0.4505303 (2000.0) P Q Peri. 117.66528 -0.61548723 +0.09989976 Node 78.62116 -0.60183477 -0.70004558 e 1.0 Incl. 52.88869 +0.50889132 -0.70707583 From 25 observations 2016 Sept. 11-14, mean residual 0".85. Orbital elements: C/1915 R1 (Mellish) = gb00098 ? Epoch 2016 Oct. 19.0 TT = JDT 2457680.5 T 2016 Oct. 11.12543 TT Sato q 0.4626973 (2000.0) P Q z +0.0455625 Peri. 116.77418 -0.63219342 +0.08125219 Node 77.74597 -0.57698249 -0.71311591 e 0.9789183 Incl. 52.04589 +0.51712927 -0.69632161 P 102.82 From 26 observations 1915 Sept. 18-2016 Sept. 14, mean residual 276".59. Epoch 1915 Oct. 30.0 TT = JDT 2420800.5 T 1915 Oct. 12.91789 TT Sato q 0.4613559 (2000.0) P Q z +0.0456494 Peri. 116.72749 -0.63081985 +0.08392954 Node 77.95103 -0.57861900 -0.71324296 e 0.9789394 Incl. 52.06916 +0.51697811 -0.69587377 P 102.53 September 14, 2016A05:23:29 UT Orbital elements: gb00098 T 2016 Oct. 10.98744 TT Sato q 0.4537448 (2000.0) P Q Peri. 117.33989 -0.61901435 +0.09567212 Node 78.50349 -0.59556808 -0.70421106 e 1.0 Incl. 52.70163 +0.51197645 -0.70351519 From 13 observations 2016 Sept. 11-14, mean residual 0".88. September 13, 2016A14:24:38 UT Orbital elements: gb00098 T 2016 Oct. 11.0039 TT Sato q 0.459369 (2000.0) P Q Peri. 116.7678 -0.6247980 +0.0883005 Node 78.3135 -0.5847379 -0.7113392 e 1.0 Incl. 52.3915 +0.5174061 -0.6972801 From 10 observations 2016 Sept. 11-13, mean residual 0".80. --