MPEC 2016-E136: COMET C/2015 X7 (ATLAS)
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M.P.E.C. 2016-E136 Issued 2016 Mar. 12, 21:32 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
COMET C/2015 X7 (ATLAS)
Observations:
CK15X070 KC2016 02 07.89620 06 37 39.69 -21 19 32.0 17.2 NqEE136585
CK15X070 KC2016 02 07.89782 06 37 39.63 -21 19 29.5 17.2 NqEE136585
CK15X070 KC2016 02 07.89882 06 37 39.59 -21 19 29.9 17.3 NqEE136585
CK15X070 KC2016 02 07.89981 06 37 39.59 -21 19 28.5 17.1 NqEE136585
CK15X070 KC2016 02 07.90258 06 37 39.52 -21 19 25.9 17.3 NqEE136585
CK15X070 KC2016 02 07.90329 06 37 39.51 -21 19 25.1 17.3 NqEE136585
CK15X070 KC2016 02 07.90472 06 37 39.46 -21 19 23.0 17.6 NqEE136585
CK15X070 C2016 02 19.45838 06 34 38.30 -18 15 49.8 17.1 NqEE136E94
CK15X070 C2016 02 19.47532 06 34 37.99 -18 15 31.3 17.2 NqEE136E94
CK15X070 C2016 02 19.49069 06 34 37.69 -18 15 17.2 17.1 NqEE136E94
CK15X070 C2016 02 20.42828 06 34 29.21 -17 59 50.2 17.5 NqEE136E94
CK15X070 C2016 02 20.44238 06 34 29.10 -17 59 36.1 17.3 NqEE136E94
CK15X070 C2016 02 20.45657 06 34 28.96 -17 59 22.4 17.4 NqEE136E94
CK15X070 C2016 02 20.47082 06 34 28.78 -17 59 06.5 17.6 NqEE136E94
CK15X070 C2016 02 24.34269 06 34 03.45 -16 54 47.7 17.5 NqEE136E85
CK15X070 C2016 02 24.34627 06 34 03.43 -16 54 44.4 17.5 NqEE136E85
CK15X070 C2016 02 24.34985 06 34 03.41 -16 54 40.2 17.5 NqEE136E85
CK15X070 C2016 02 25.32134 06 33 59.476-16 38 27.09 18.5 TLEE136F51
CK15X070 C2016 02 25.33301 06 33 59.421-16 38 15.29 18.5 TLEE136F51
CK15X070 C2016 02 25.34466 06 33 59.371-16 38 03.53 18.4 TLEE136F51
CK15X070 C2016 02 25.35628 06 33 59.319-16 37 51.89 18.4 TLEE136F51
CK15X070 C2016 03 01.15139 06 33 55.37 -15 17 09.2 17.4 TREE136G45
CK15X070 C2016 03 01.16044 06 33 55.41 -15 17 00.0 17.5 TREE136G45
CK15X070 C2016 03 01.16361 06 33 55.38 -15 16 57.1 17.3 TREE136G45
CK15X070 C2016 03 01.16482 06 33 55.40 -15 16 55.5 17.5 TREE136G45
CK15X070 C2016 03 01.16967 06 33 55.39 -15 16 50.3 17.4 TREE136G45
CK15X070 C2016 03 01.17011 06 33 55.39 -15 16 50.1 17.5 TREE136G45
CK15X070 C2016 03 01.49521 06 33 56.05 -15 11 20.5 qEE136900
CK15X070 C2016 03 01.50234 06 33 56.05 -15 11 13.5 17.0 TqEE136900
CK15X070 C2016 03 02.36146 06 33 58.32 -14 56 39.3 17.7 NtEE136474
CK15X070 C2016 03 02.36346 06 33 58.32 -14 56 37.1 17.7 NtEE136474
CK15X070 C2016 03 02.36546 06 33 58.32 -14 56 35.1 17.6 NtEE136474
CK15X070 C2016 03 02.36747 06 33 58.33 -14 56 33.1 17.9 NtEE136474
CK15X070 C2016 03 02.36947 06 33 58.33 -14 56 31.0 17.8 NtEE136474
CK15X070 KC2016 03 03.48524 06 34 02.45 -14 37 44.9 qEE136D88
CK15X070 KC2016 03 03.48842 06 34 02.44 -14 37 41.2 17.8 TqEE136D88
CK15X070 C2016 03 05.34828 06 34 12.19 -14 06 15.7 17.5 TLEE136T05
CK15X070 C2016 03 05.36988 06 34 12.33 -14 05 53.1 17.5 TLEE136T05
CK15X070 C2016 03 05.39167 06 34 12.41 -14 05 30.7 17.6 TLEE136T05
CK15X070 C2016 03 05.41347 06 34 12.56 -14 05 08.8 17.6 TLEE136T05
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
585 Kyiv comet station. Observer A. Baransky. 0.7-m f/4 reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.26-m f/7.0 reflector + CCD.
D88 Hiratsuka. Observer Y. Sugiyama. 0.25-m f/5.0 reflector + CCD.
E85 Farm Cove. Observer J. McCormick. 0.35-m f/10 Schmidt-Cassegrain + CCD.
E94 Possum Observatory, Gisborne. Observer J. Drummond. 0.35-m f/10
Schmidt-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, N. Primak,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G45 Space Surveillance Telescope, Atom Site. Observers M. Blythe, R. Brungard,
P. Festler, T. McVey, J. Paige, G. Spitz. Measurers M. Cornell, A. Klein,
J. Ruprecht, G. Ushomirsky, J. Varey, D. Woods. 3.5-m f/1 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, A. Heinze, H. Weiland,
B. Stalder, J. Tonry, A. Sherstyuk. Measurers L. Denneau, A. Heinze,
J. Tonry. 0.5-m f/2.0 Schmidt + CCD.
Orbital elements:
C/2015 X7 (ATLAS)
Epoch 2016 July 31.0 TT = JDT 2457600.5
T 2016 July 30.21501 TT MPCW
q 3.6846453 (2000.0) P Q
z -0.0004360 Peri. 348.47974 -0.68035520 -0.49120945
+/-0.0000154 Node 139.88480 +0.72143466 -0.57954094
e 1.0016066 Incl. 57.58005 +0.12903034 +0.65026577
From 129 observations 2015 Dec. 12-2016 Mar. 5, mean residual 0".4.
C/2015 X7 (ATLAS)
Epoch 2016 Jan. 13.0 TT = JDT 2457400.5
T 2016 July 30.17803 TT MPCW
q 3.6847600 (2000.0) P Q
z -0.0003368 Peri. 348.47110 -0.68027193 -0.49129404
+/-0.0000154 Node 139.88368 +0.72153092 -0.57940715
e 1.0012411 Incl. 57.58255 +0.12893112 +0.65032109
From 129 observations 2015 Dec. 12-2016 Mar. 5, mean residual 0".4.
Ephemeris:
C/2015 X7 (ATLAS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2016 02 11 06 36 37.8 -20 31 43 3.3485 3.9844 123.9 11.9 17.6
...
2016 02 26 06 33 57.4 -16 27 03 3.4068 3.9360 115.5 13.1 17.6
...
2016 03 05 06 34 10.2 -14 12 07 3.4561 3.9117 110.3 13.8 17.6
...
2016 03 11 06 35 04.9 -12 31 07 3.5003 3.8943 106.1 14.2 17.6
2016 03 12 06 35 17.8 -12 14 23 3.5082 3.8914 105.4 14.3 17.6
2016 03 13 06 35 31.7 -11 57 42 3.5163 3.8886 104.7 14.3 17.6
...
2016 03 19 06 37 16.6 -10 18 41 3.5675 3.8719 100.3 14.7 17.6
...
2016 03 27 06 40 31.6 -08 10 37 3.6425 3.8507 94.5 15.0 17.7
...
2016 04 11 06 49 11.9 -04 27 01 3.7981 3.8142 83.3 15.1 17.7
Gareth V. Williams (C) Copyright 2016 MPC M.P.E.C. 2016-E136
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