March 16, 2017、21:18:00 UT Orbital elements: C/2017 E4 (Lovejoy) Epoch 2017 May 7.0 TT = JDT 2457880.5 T 2017 Apr. 23.39827 TT Sato q 0.4928888 (2000.0) P Q z +0.0117336 Peri. 87.43792 -0.01049701 +0.73030581 +/-0.0087233 Node 223.10983 -0.44689583 +0.60763673 e 0.9942166 Incl. 88.14184 +0.89452442 +0.31213944 From 106 observations 2017 Mar. 9-16, mean residual 0".63. Epoch 2017 Mar. 28.0 TT = JDT 2457840.5 T 2017 Apr. 23.39813 TT Sato q 0.4928901 (2000.0) P Q z +0.0117279 Peri. 87.43737 -0.01050230 +0.73030661 +/-0.0087233 Node 223.10976 -0.44690334 +0.60763156 e 0.9942194 Incl. 88.14169 +0.89452060 +0.31214762 Residuals in seconds of arc 170309 Q80 0.7- 0.2+ 170311 I47 0.3- 1.2+ 170311 Q62 0.4+ 0.2- 170309 Q80 0.3+ 1.1- 170311 W88 0.7- 0.3+ 170311 Q62 0.7+ 0.2- 170309 Q80 1.3+ 1.5- 170311 I47 0.8+ 0.6+ 170311 Q62 0.3+ 0.1+ 170310 H06 0.5+ 1.2- 170311 W88 0.2+ 0.0 170311 Q62 0.2+ 0.5+ 170310 H06 1.0- 0.1- 170311 W88 0.2- 0.0 170311 Q62 0.4+ 0.2+ 170310 H06 (2.5- 3.7+) 170311 W88 0.1- 0.1- 170311 Q62 0.2- 0.1- 170310 H06 0.4+ 0.1- 170311 I39 1.3- 1.2+ 170311 Q62 0.7+ 0.5- 170310 H06 0.5- 1.5+ 170311 807 0.4+ 0.3+ 170311 Q62 0.3+ 0.3- 170310 Q38 0.4- 2.0+ 170311 807 0.5+ 0.0 170311 349 1.4- 1.3- 170310 Q38 1.8- 0.1+ 170311 807 0.0 0.0 170311 349 0.8- 1.9- 170310 Q38 1.3+ 1.6- 170311 807 0.3+ 0.1+ 170312 I39 0.1- 0.8- 170310 Q38 (1.5- 3.2+) 170311 I39 1.8+ 1.8+ 170312 I39 0.5- 0.3- 170310 Q38 (2.8- 1.2+) 170311 W88 0.6+ 0.1+ 170312 I47 0.3+ 0.3- 170310 Q38 0.2+ 0.1- 170311 W88 0.4+ 0.1+ 170312 Y00 1.0- 0.3+ 170310 Q62 (1.1+ 2.2+) 170311 W88 0.5+ 0.1+ 170312 I39 0.3- 0.5- 170310 Q62 0.2- 0.5- 170311 W88 0.6+ 0.1- 170312 Y00 1.2- 0.9- 170310 Q62 0.2+ 0.0 170311 E23 0.9+ 0.1- 170312 I47 0.2+ 0.1+ 170310 Q62 0.4+ 0.8+ 170311 Q62 0.2+ 0.3+ 170312 Y00 0.2+ 0.3+ 170310 Q62 0.2- 0.4+ 170311 Q62 0.1+ 0.2+ 170312 I47 0.7+ 0.1+ 170310 Q62 0.0 0.5+ 170311 E23 0.1+ 0.1- 170312 I39 1.1- 1.0+ 170310 Q62 0.3+ 0.6+ 170311 Q62 0.6+ 0.5+ 170312 926 0.4- 0.3- 170310 Q62 0.8- 0.3- 170311 E23 0.4- 0.2+ 170312 926 0.4- 0.2- 170310 Q62 0.2- 0.1+ 170311 Q62 0.5- 0.3- 170312 926 0.1- 0.7- 170310 Q62 0.4- 0.2+ 170311 Q62 0.4- 0.8- 170313 Y00 (2.7- 0.1+) 170310 Q62 0.5- 0.2+ 170311 Q62 1.6- 0.0 170313 Y00 (3.3- 1.5-) 170310 Q62 1.1- 0.4- 170311 E23 0.1+ 0.1- 170313 Y00 (2.2- 0.3-) 170310 Q62 (2.2- 1.3-) 170311 Q62 0.1+ 0.4+ 170313 I47 0.5+ 1.2+ 170310 D86 (0.6- 3.3+) 170311 Q62 1.0+ 1.1- 170313 I47 0.6+ 0.0 170310 D86 (0.2+ 2.7+) 170311 E23 0.4+ 0.4- 170313 I47 0.7+ 0.2+ 170310 Q62 0.5- 0.3+ 170311 Q62 0.1+ 0.1- 170313 I47 1.2+ 0.1+ 170310 Q62 0.1- 0.1- 170311 Q62 0.3+ 0.7- 170313 926 (2.4- 3.6-) 170310 D86 (2.9+ 2.7+) 170311 Q62 0.5- 0.5- 170313 926 0.4- 1.5- 170310 Q62 0.2+ 0.1+ 170311 Q62 0.4+ 0.2- 170313 926 (2.1+ 0.1+) 170311 K92 0.2+ 0.1+ 170311 Q62 1.2- 0.7+ 170315 349 0.4- 0.3+ 170311 K92 0.3+ 0.3+ 170311 Q62 0.5+ 0.2- 170315 349 0.1+ 0.3+ 170311 K92 0.3+ 0.3+ 170311 Q62 0.3- 0.1+ 170315 349 0.6- 0.8+ 170311 K92 0.2+ 0.2+ 170311 Q62 0.2- 0.4- 170316 W96 0.0 0.5- 170311 K92 0.3+ 0.1+ 170311 Q62 0.7+ 0.5+ 170316 W96 0.7+ 0.0 170311 K92 0.3+ 0.2+ 170311 Q62 0.7- 0.1+ 170316 W96 0.4- 0.2- 170311 W88 0.2- 0.3+ 170311 Q62 0.6- 0.4+ March 14, 2017、13:33:37 UT Orbit-1 Orbital elements: C/2017 E4 (Lovejoy) = TJL006 T 2017 Apr. 23.29944 TT Sato q 0.4938191 (2000.0) P Q Peri. 87.19334 -0.01375104 +0.72931201 Node 223.18812 -0.44929667 +0.60664859 e 1.0 Incl. 88.15985 +0.89327678 +0.31635658 From 100 observations 2017 Mar. 9-13, mean residual 0".65. Orbit-2 Orbital elements: C/2017 E4 (Lovejoy) = TJL006 T 2017 Apr. 24.00931 TT Sato q 0.4868145 (2000.0) P Q n 0.02356887 Peri. 89.00676 +0.01017671 +0.73620149 a 12.0478686 Node 222.61546 -0.43112680 +0.61382261 e 0.9595933 Incl. 88.05866 +0.90223396 +0.28500731 P 41.82 From 101 observations 2017 Mar. 9-13, mean residual 0".64. March 13, 2017、09:44:04 UT Orbital elements: TJL006 T 2017 Apr. 23.32602 TT Sato q 0.4946411 (2000.0) P Q Peri. 87.12024 -0.01187046 +0.72865294 Node 223.25350 -0.45270829 +0.60670596 e 1.0 Incl. 87.92988 +0.89157966 +0.31776214 From 96 observations 2017 Mar. 9-13, mean residual 0".61. March 11, 2017、22:15:59 UT Orbital elements: TJL006 T 2017 Apr. 23.30093 TT Sato q 0.4939175 (2000.0) P Q Peri. 87.18346 -0.01370013 +0.72927710 Node 223.19157 -0.44956822 +0.60660313 e 1.0 Incl. 88.14531 +0.89314093 +0.31652416 From 37 observations 2017 Mar. 9-11, mean residual 0".65. March 10, 2017、21:46:51 UT Orbital elements: TJL006 T 2017 Apr. 23.33546 TT Sato q 0.4950083 (2000.0) P Q Peri. 87.08626 -0.01176699 +0.72846820 Node 223.27060 -0.45356483 +0.60661171 e 1.0 Incl. 87.88654 +0.89114560 +0.31836505 From 22 observations 2017 Mar. 9-10, mean residual 0".65. --