December 21, 2015、12:55:16 UT
Orbital elements:
C/2015 X8 (NEOWISE)
Epoch 2015 Oct. 25.0 TT = JDT 2457320.5
T 2015 Oct. 25.51488 TT Sato
q 1.2126180 (2000.0) P Q
z +0.0131020 Peri. 22.88712 -0.97257725 +0.21754942
+/-0.0265616 Node 191.29913 +0.08702377 +0.66835867
e 0.9841123 Incl. 155.17732 +0.21568578 +0.71131493
From 33 observations 2015 Dec. 14-21, mean residual 0".73.
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5
T 2015 Oct. 25.51272 TT Sato
q 1.2126138 (2000.0) P Q
z +0.0131418 Peri. 22.88613 -0.97258313 +0.21752145
+/-0.0265616 Node 191.29982 +0.08700232 +0.66836483
e 0.9840641 Incl. 155.17750 +0.21566791 +0.71131770
Residuals in seconds of arc
151214 C51 (5.7+ 2.1-) 151218 695 1.0- 1.1- 151219 349 1.0+ 0.5-
151214 C51 0.1+ 0.1- 151218 695 0.7- 0.3- 151219 349 0.3+ 0.6-
151214 C51 0.3+ 0.4- 151218 U69 0.3+ 0.6+ 151219 349 0.7+ 1.4-
151214 C51 0.0 0.4- 151218 695 0.5- 0.4- 151219 D81 0.5+ 0.6+
151215 C51 0.4+ 0.1+ 151218 695 0.4- 0.4- 151219 D81 1.0+ 1.3+
151215 C51 0.1- 0.4+ 151218 695 (2.5- 1.7-) 151220 A71 0.6- 0.7-
151218 I89 0.4- 1.1+ 151219 850 1.6+ 0.3+ 151220 A71 1.3- 0.6-
151218 I89 0.4- 1.2+ 151219 850 0.3+ 0.4- 151221 I89 1.2- 0.5-
151218 I89 0.1+ 1.2+ 151219 850 0.2+ 0.1+ 151221 I89 (0.2- 5.6-)
151218 U69 0.6- 0.8+ 151219 850 0.7+ 0.9+ 151221 I89 (0.5- 2.1-)
151218 U69 0.9- 0.2- 151219 H47 0.1- 1.2- 151221 I89 0.0 1.8+
151218 U69 0.2- 0.1+ 151219 H47 1.3+ 0.3-
151218 U69 0.2- 0.2+ 151219 H47 0.4- 1.2-
December 21, 2015、13:07:12 UT
Orbit-1
Orbital elements:
C/2015 X8 (NEOWISE)
T 2015 Oct. 26.22046 TT Sato
q 1.2190699 (2000.0) P Q
Peri. 23.53451 -0.97004969 +0.22848854
Node 191.30531 +0.09423694 +0.66681157
e 1.0 Incl. 155.13133 +0.22388164 +0.70933442
From 33 observations 2015 Dec. 14-21, mean residual 0".71.
L = 169.7, B = +9.7.
Residuals in seconds of arc
151214 C51 (5.4+ 2.0-) 151218 695 0.9- 1.2- 151219 349 1.0+ 0.3-
151214 C51 0.2- 0.1- 151218 695 0.5- 0.4- 151219 349 0.3+ 0.3-
151214 C51 0.0 0.4- 151218 U69 0.5+ 0.4+ 151219 349 0.7+ 1.1-
151214 C51 0.3- 0.4- 151218 695 0.4- 0.6- 151219 D81 0.5+ 0.9+
151215 C51 0.2+ 0.1+ 151218 695 0.2- 0.5- 151219 D81 1.0+ 1.6+
151215 C51 0.3- 0.3+ 151218 695 (2.3- 1.9-) 151220 A71 0.6- 0.3-
151218 I89 0.2- 0.9+ 151219 850 1.7+ 0.5+ 151220 A71 1.4- 0.2-
151218 I89 0.2- 1.0+ 151219 850 0.4+ 0.3- 151221 I89 1.6- 0.7+
151218 I89 0.2+ 1.0+ 151219 850 0.3+ 0.2+ 151221 I89 (0.7- 4.5-)
151218 U69 0.4- 0.6+ 151219 850 0.8+ 1.1+ 151221 I89 1.0- 0.9-
151218 U69 0.7- 0.4- 151219 H47 0.0 1.0- 151221 I89 (0.4- 3.0+)
151218 U69 0.0 0.0 151219 H47 1.4+ 0.1-
151218 U69 0.0 0.1+ 151219 H47 0.4- 1.0-
Orbit-2
Orbital elements:
C/2015 X8 (NEOWISE)
T 2015 Oct. 23.17219 TT Sato
q 1.1907186 (2000.0) P Q
n 0.01134984 Peri. 20.47091 -0.98055455 +0.17888622
a 19.6099330 Node 191.12915 +0.06192868 +0.67226174
e 0.9392798 Incl. 155.28600 +0.18621926 +0.71837586
P 86.84
From 33 observations 2015 Dec. 14-21, mean residual 0".69.
1/a = +0.0509946, Q = 38.03 AU, L = 172.4, B = +8.4.
Residuals in seconds of arc
151214 C51 (5.7+ 1.9-) 151218 695 1.1- 1.3- 151219 349 1.0+ 0.2-
151214 C51 0.1+ 0.0 151218 695 0.7- 0.5- 151219 349 0.3+ 0.3-
151214 C51 0.3+ 0.3- 151218 U69 0.3+ 0.4+ 151219 349 0.7+ 1.1-
151214 C51 0.0 0.3- 151218 695 0.6- 0.6- 151219 D81 0.6+ 0.9+
151215 C51 0.4+ 0.1+ 151218 695 0.4- 0.6- 151219 D81 1.0+ 1.6+
151215 C51 0.1- 0.4+ 151218 695 (2.5- 1.9-) 151220 A71 0.5- 0.2-
151218 I89 0.4- 0.8+ 151219 850 1.6+ 0.5+ 151220 A71 1.3- 0.1-
151218 I89 0.4- 0.9+ 151219 850 0.4+ 0.3- 151221 I89 1.0- 0.8+
151218 I89 0.0 0.9+ 151219 850 0.3+ 0.2+ 151221 I89 (0.1- 4.3-)
151218 U69 0.6- 0.6+ 151219 850 0.8+ 1.1+ 151221 I89 0.3- 0.8-
151218 U69 0.9- 0.4- 151219 H47 0.0 1.0- 151221 I89 (0.2+ 3.2+)
151218 U69 0.2- 0.1- 151219 H47 1.4+ 0.1-
151218 U69 0.2- 0.0 151219 H47 0.4- 1.0-
December 19, 2015、07:18:12 UT
Orbital elements:
C/2015 X8 (NEOWISE) = NM0015a
T 2015 Oct. 25.52291 TT Sato
q 1.2118958 (2000.0) P Q
Peri. 22.20316 -0.97362436 +0.21403128
Node 190.79288 +0.08624781 +0.66595623
e 1.0 Incl. 155.03584 +0.21122716 +0.71462781
From 18 observations 2015 Dec. 14-18, mean residual 0".58.
December 18, 2015、05:36:02 UT
Orbital elements:
NM0015a
T 2015 Nov. 4.83035 TT
q 1.285448 (2000.0) P Q
Peri. 40.4823 -0.9082340 +0.3993550
Node 198.1811 +0.1973001 +0.6721082
e 1.0 Incl. 156.3821 +0.3690308 +0.6235272
From 5 observations 2015 Dec. 14-15, mean residual 1".01.
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