MPEC 2015-L07 : COMET C/2015 GX (PANSTARRS)
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M.P.E.C. 2015-L07 Issued 2015 June 4, 14:47 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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 GX (PANSTARRS)
Observations:
CK15G00X C2015 04 08.58495 18 07 24.392+40 07 38.43 20.0 TLEL007F51
CK15G00X C2015 04 08.59564 18 07 24.737+40 08 05.12 19.9 TLEL007F51
CK15G00X C2015 04 08.60629 18 07 25.045+40 08 31.89 19.8 TLEL007F51
CK15G00X C2015 04 08.61698 18 07 25.373+40 08 58.39 20.0 TLEL007F51
CK15G00X KC2015 04 09.31721218 07 47.31 +40 38 09.2 20.0 TqEL007V37
CK15G00X KC2015 04 09.32137418 07 47.44 +40 38 19.8 19.8 TqEL007V37
CK15G00X KC2015 04 09.32449818 07 47.53 +40 38 27.5 20.1 TqEL007V37
CK15G00X >C2015 04 09.50584 18 07 53.09 +40 46 04.3 19.9 TtEL007568
CK15G00X >C2015 04 09.50700 18 07 53.12 +40 46 07.4 19.9 TtEL007568
CK15G00X >C2015 04 09.50816 18 07 53.13 +40 46 09.9 19.9 TtEL007568
CK15G00X KC2015 04 09.94817 18 08 06.29 +41 04 34.5 19.4 ToEL007461
CK15G00X KC2015 04 09.95140 18 08 06.37 +41 04 42.7 19.2 ToEL007461
CK15G00X KC2015 04 09.95625 18 08 06.54 +41 04 55.2 19.5 ToEL007461
CK15G00X KC2015 04 10.04157 18 08 09.08 +41 08 30.3 19.6 ToEL007461
CK15G00X KC2015 04 10.04806 18 08 09.24 +41 08 47.1 19.8 ToEL007461
CK15G00X KC2015 04 10.05453 18 08 09.45 +41 09 03.5 19.6 ToEL007461
CK15G00X KC2015 04 10.99494 18 08 36.82 +41 48 37.8 19.8 ToEL007461
CK15G00X KC2015 04 10.99817 18 08 36.93 +41 48 46.9 18.8 ToEL007461
CK15G00X KC2015 04 11.00140 18 08 36.97 +41 48 54.2 19.8 ToEL007461
CK15G00X C2015 04 11.37119 18 08 47.46 +42 04 32.4 19.9 ToEL007926
CK15G00X C2015 04 11.38059 18 08 47.71 +42 04 56.4 20.1 ToEL007926
CK15G00X C2015 04 11.39103 18 08 47.95 +42 05 22.3 20.2 ToEL007926
CK15G00X KC2015 04 11.99602 18 09 04.56 +42 30 58.1 19.3 ToEL007461
CK15G00X KC2015 04 12.00086 18 09 04.72 +42 31 11.4 19.8 ToEL007461
CK15G00X KC2015 04 12.00571 18 09 04.83 +42 31 23.8 19.3 ToEL007461
CK15G00X C2015 05 06.51311 18 10 01.647+60 05 16.16 19.3 TLEL007F51
CK15G00X C2015 05 06.52820 18 10 01.103+60 05 54.02 19.4 TLEL007F51
CK15G00X C2015 05 06.54335 18 10 00.574+60 06 31.92 19.6 TLEL007F51
CK15G00X KC2015 05 09.94172 18 07 45.24 +62 26 13.9 19.2 TqEL007157
CK15G00X KC2015 05 09.95246 18 07 44.65 +62 26 39.8 19.2 TqEL007157
CK15G00X S2015 05 15.43406 18 02 03.11 +66 03 30.5 20 TLEL007C51
CK15G00X s2015 05 15.43406 1 + 1770.5402 + 5.1936 + 6627.3807 EL007C51
CK15G00X S2015 05 15.49977 18 01 57.88 +66 06 02.0 LEL007C51
CK15G00X s2015 05 15.49977 1 + 1812.2632 - 18.1170 + 6616.0852 EL007C51
CK15G00X S2015 05 16.02479 18 01 15.45 +66 26 09.0 LEL007C51
CK15G00X s2015 05 16.02479 1 + 1798.3499 + 6.7502 + 6619.8475 EL007C51
CK15G00X S2015 05 16.15594 18 01 04.54 +66 31 07.8 LEL007C51
CK15G00X s2015 05 16.15594 1 + 1742.2637 + 43.9713 + 6634.6484 EL007C51
CK15G00X S2015 05 16.22152 18 00 59.34 +66 33 38.8 LEL007C51
CK15G00X s2015 05 16.22152 1 + 1714.1353 + 62.4619 + 6641.8054 EL007C51
CK15G00X S2015 05 16.28723 18 00 53.54 +66 36 08.9 LEL007C51
CK15G00X s2015 05 16.28723 1 + 1756.5962 + 39.4702 + 6630.8924 EL007C51
CK15G00X S2015 05 16.41851 18 00 42.41 +66 41 07.8 LEL007C51
CK15G00X s2015 05 16.41851 1 + 1771.1243 + 34.9318 + 6627.0486 EL007C51
CK15G00X S2015 05 16.48397 18 00 37.39 +66 43 37.5 LEL007C51
CK15G00X s2015 05 16.48397 1 + 1672.2458 + 94.4207 + 6652.0571 EL007C51
CK15G00X S2015 05 16.54967 18 00 31.42 +66 46 07.3 LEL007C51
CK15G00X s2015 05 16.54967 1 + 1715.0037 + 71.5058 + 6641.4630 EL007C51
CK15G00X S2015 05 16.74641 18 00 14.19 +66 53 34.5 LEL007C51
CK15G00X s2015 05 16.74641 1 + 1630.5619 + 125.6775 + 6661.8411 EL007C51
CK15G00X S2015 05 16.81224 18 00 08.66 +66 56 04.0 LEL007C51
CK15G00X s2015 05 16.81224 1 + 1744.7751 + 62.0370 + 6633.7925 EL007C51
CK15G00X S2015 05 16.87769 18 00 02.58 +66 58 32.2 LEL007C51
CK15G00X s2015 05 16.87769 1 + 1645.5073 + 120.7133 + 6658.2529 EL007C51
CK15G00X KC2015 05 18.01133 17 58 18.73 +67 41 06.2 18.9 TqEL007157
CK15G00X KC2015 05 18.02101 17 58 17.68 +67 41 28.3 19.1 TqEL007157
CK15G00X KC2015 05 18.03048 17 58 16.78 +67 41 49.7 18.9 TqEL007157
CK15G00X KC2015 05 20.31657 17 54 16.08 +69 05 35.5 tEL007V37
CK15G00X KC2015 05 20.31918 17 54 15.74 +69 05 41.4 20.6 TtEL007V37
CK15G00X KC2015 05 20.32177 17 54 15.46 +69 05 47.0 tEL007V37
CK15G00X KC2015 05 25.00807 17 43 35.29 +71 48 22.3 18.7 TqEL007157
CK15G00X KC2015 05 25.02133 17 43 33.03 +71 48 48.9 18.9 TqEL007157
CK15G00X KC2015 05 25.02922 17 43 31.81 +71 49 04.8 18.8 TqEL007157
CK15G00X KC2015 05 25.37932 17 42 34.75 +72 00 42.3 20.0 TtEL007V37
CK15G00X KC2015 05 25.38450 17 42 33.84 +72 00 52.2 tEL007V37
CK15G00X KC2015 05 25.38973 17 42 33.02 +72 01 02.9 tEL007V37
CK15G00X |C2015 05 26.33708 17 39 51.84 +72 32 03.4 vEL007H06
CK15G00X |C2015 05 26.33947 17 39 51.47 +72 32 08.3 vEL007H06
CK15G00X |C2015 05 26.34187 17 39 51.11 +72 32 13.1 19.0 TvEL007H06
CK15G00X KC2015 05 27.42056 17 36 33.71 +73 06 47.2 tEL007V37
CK15G00X KC2015 05 27.42575 17 36 32.69 +73 06 57.1 19.4 TtEL007V37
CK15G00X KC2015 05 27.43094 17 36 31.70 +73 07 06.8 tEL007V37
Observer details:
157 Frasso Sabino. Observer R. Haver. 0.37-m f/6.85 Cassegrain + CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly). Observer K. Sarneczky.
0.60-m Schmidt + CCD.
568 Mauna Kea. Observer E. Schunova. 2.24-m University of Hawaii reflector
+ CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.41-m f/3.75 astrograph + CCD.
C51 WISE. Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
J. W. Dailey, R. M. Cutri, E. L. Wright, C. Nugent, S. Sonnett, E. Kramer.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, N. Primak,
A. Schultz, M. Willman, R. Anderson. Measurers K. Chambers, S. Chastel,
L. Denneau, H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat,
C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
H06 iTelescope Observatory, Mayhill. Observer H. Sato. 0.51-m f/6.8
astrograph + CCD + f/4.5 focal reducer.
V37 McDonald Observatory-LCOGT ELP. Observers T. Lister, P. Miller, E. Gomez,
R. Holmes, L. Buzzi, S. Foglia, T. Vorobjov, T. Linder, T. Li. Measurers
T. Lister, L. Buzzi. 1.0-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
C/2015 GX (PANSTARRS)
Epoch 2015 Sept. 15.0 TT = JDT 2457280.5
T 2015 Aug. 26.63689 TT MPCW
q 1.9719923 (2000.0) P Q
n 0.01515103 Peri. 108.94144 +0.18033884 +0.53673484
a 16.1748866 Node 235.51369 -0.12857923 +0.84366591
e 0.8780831 Incl. 90.25381 +0.97516423 +0.01198134
P 65.1
From 60 observations 2015 Apr. 8-May 27, mean residual 0".6.
C/2015 GX (PANSTARRS)
Epoch 2080 June 5.0 TT = JDT 2480920.5
T 2080 June 12.12163 TT MPCW
q 1.9857946 (2000.0) P Q
n 0.01466057 Peri. 108.58245 +0.18075872 +0.53661912
a 16.5336551 Node 235.51119 -0.13625271 +0.84362338
e 0.8798938 Incl. 89.97698 +0.97404388 +0.01842564
P 67.2
From 60 observations 2015 Apr. 8-May 27, mean residual 0".6.
C/2015 GX (PANSTARRS)
Epoch 2015 June 27.0 TT = JDT 2457200.5
T 2015 Aug. 26.63359 TT MPCW
q 1.9719972 (2000.0) P Q
n 0.01515442 Peri. 108.93970 +0.18032238 +0.53674024
a 16.1724764 Node 235.51369 -0.12860476 +0.84366205
e 0.8780646 Incl. 90.25382 +0.97516391 +0.01201099
P 65.0
From 60 observations 2015 Apr. 8-May 27, mean residual 0".6.
Ephemeris:
C/2015 GX (PANSTARRS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2015 05 05 18 10 46.2 +59 01 53 2.0515 2.3513 94.2 25.3 19.3
...
2015 05 20 17 54 51.8 +68 54 06 2.0588 2.2660 88.2 26.5 19.1
...
2015 05 28 17 34 42.4 +73 24 58 2.0812 2.2238 84.4 27.0 19.1
...
2015 06 03 17 10 34.9 +76 19 07 2.1035 2.1938 81.4 27.2 19.0
2015 06 04 17 05 34.9 +76 45 17 2.1076 2.1889 80.9 27.2 19.0
2015 06 05 17 00 15.9 +77 10 33 2.1117 2.1841 80.4 27.3 19.0
...
2015 06 11 16 21 00.8 +79 21 10 2.1375 2.1562 77.3 27.4 19.0
...
2015 06 19 15 08 59.6 +81 09 01 2.1731 2.1215 73.5 27.3 19.0
...
2015 07 04 12 47 51.9 +81 00 21 2.2327 2.0651 67.3 27.0 18.9
Gareth V. Williams (C) Copyright 2015 MPC M.P.E.C. 2015-L07
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