MPEC 2011-P32 : COMET C/2011 P2 (PANSTARRS)
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M.P.E.C. 2011-P32 Issued 2011 Aug. 7, 19:46 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 http://www.minorplanetcenter.net/ ISSN 1523-6714
COMET C/2011 P2 (PANSTARRS)
Observations:
CK11P020 C2011 06 22.29909 20 27 55.15 -08 29 57.2 20.3 ToEP032691
CK11P020 C2011 06 22.31681 20 27 54.88 -08 29 57.2 20.3 ToEP032691
CK11P020 C2011 06 22.33454 20 27 54.59 -08 29 56.9 20.3 ToEP032691
CK11P020 C2011 08 03.39419 20 13 21.148-09 08 07.82 21.1 TLEP032F51
CK11P020 C2011 08 03.41744 20 13 20.619-09 08 10.08 20.6 TLEP032F51
CK11P020 C2011 08 03.42785 20 13 20.354-09 08 11.48 20.7 TLEP032F51
CK11P020 _C2011 08 04.46254920 12 57.305-09 09 56.01 tEP032568
CK11P020 _C2011 08 04.46363420 12 57.283-09 09 56.21 20.1 TtEP032568
CK11P020 _C2011 08 04.46650420 12 57.218-09 09 56.46 20.3 TtEP032568
CK11P020 _C2011 08 04.47088220 12 57.119-09 09 56.87 20.4 TtEP032568
CK11P020 _C2011 08 04.47482420 12 57.033-09 09 57.30 20.4 TtEP032568
CK11P020 %C2011 08 05.38172220 12 37.07 -09 11 30.7 19.7 TtEP032F65
CK11P020 %C2011 08 05.38404820 12 37.01 -09 11 30.9 19.8 TtEP032F65
CK11P020 %C2011 08 05.38643320 12 36.95 -09 11 31.2 19.8 TtEP032F65
CK11P020 %C2011 08 05.38879620 12 36.91 -09 11 31.4 19.9 TtEP032F65
CK11P020 %C2011 08 05.39111520 12 36.85 -09 11 31.7 19.9 TtEP032F65
CK11P020 `C2011 08 05.42805 20 12 36.07 -09 11 33.7 19.3 TuEP032D90
CK11P020 `C2011 08 05.44051 20 12 35.87 -09 11 35.1 19.7 TuEP032D90
CK11P020 `C2011 08 05.45296 20 12 35.53 -09 11 36.6 19.5 TuEP032D90
CK11P020 KC2011 08 07.00405 20 12 01.57 -09 14 20.7 uEP032J95
CK11P020 KC2011 08 07.01555 20 12 01.36 -09 14 22.4 19.1 TuEP032J95
CK11P020 |C2011 08 07.24319 20 11 56.39 -09 14 45.1 cEP032H06
CK11P020 |C2011 08 07.24698 20 11 56.32 -09 14 45.8 cEP032H06
CK11P020 |C2011 08 07.25077 20 11 56.23 -09 14 46.3 19.4 TcEP032H06
CK11P020 2C2011 08 07.29736120 11 55.272-09 14 50.75 19.9 ToEP032568
CK11P020 2C2011 08 07.30109620 11 55.188-09 14 51.13 19.8 ToEP032568
CK11P020 2C2011 08 07.30739720 11 55.043-09 14 51.83 20.2 ToEP032568
CK11P020 2C2011 08 07.31289720 11 54.922-09 14 52.39 19.9 ToEP032568
CK11P020 2C2011 08 07.44222620 11 52.049-09 15 06.01 19.9 ToEP032568
CK11P020 2C2011 08 07.44595820 11 51.962-09 15 06.57 19.9 ToEP032568
CK11P020 2C2011 08 07.45456820 11 51.771-09 15 07.35 19.9 ToEP032568
Observer details:
568 Mauna Kea. Observers H. H. Hsieh, M. Micheli, G. T. Elliott. Measurers
H. H. Hsieh, M. Micheli, D. J. Tholen. 2.24-m University of Hawaii
reflector, 2.24-m University of Hawaii reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer J. V. Scotti. 0.9-m f/3
reflector + CCD.
D90 RAS Observatory, Moorook. Observer K. Hills. 0.41-m f/9 Ritchey-Chretien
+ CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz, S. Watters,
J. Thiel, T. Goggia. Measurer PS1 Science Consortium. 1.8-m
Ritchey-Chretien + CCD.
F65 Haleakala-Faulkes Telescope North. Observer T. Lister. 2.0-m f/10
Ritchey-Chretien + CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.51-m f/4.5 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
C/2011 P2 (PANSTARRS)
Epoch 2010 Sept. 1.0 TT = JDT 2455440.5
T 2010 Sept. 18.62600 TT MPC
q 6.1627145 (2000.0) P Q
n 0.03245625 Peri. 76.89758 +0.18382032 +0.98090520
a 9.7335332 Node 203.97850 -0.95152284 +0.16135667
e 0.3668574 Incl. 8.99261 -0.24660569 +0.10857719
P 30.37
From 31 observations 2011 June 22-Aug. 7, mean residual 0".22.
Residuals in seconds of arc
110622 691 0.0 0.1- 110805 F65 0.1+ 0.1- 110807 H06 0.2+ 0.0
110622 691 0.1+ 0.1- 110805 F65 0.0 0.1- 110807 H06 0.1+ 0.1-
110622 691 0.1- 0.2+ 110805 F65 0.1- 0.1- 110807 568 0.0 0.0
110803 F51 0.1+ 0.1+ 110805 F65 0.1+ 0.1- 110807 568 0.0 0.0
110803 F51 0.2+ 0.2+ 110805 F65 0.0 0.2- 110807 568 0.1- 0.0
110803 F51 0.2- 0.2- 110805 D90 0.5- 0.0 110807 568 0.1- 0.0
110804 568 0.2- 0.1+ 110805 D90 0.7+ 0.1- 110807 568 0.0 0.1+
110804 568 0.2- 0.0 110805 D90 0.2- 0.3- 110807 568 0.0 0.1-
110804 568 0.2- 0.1+ 110807 J95 0.2+ 0.2- 110807 568 0.0 0.1+
110804 568 0.1- 0.1+ 110807 J95 0.9+ 0.7-
110804 568 0.1- 0.1+ 110807 H06 0.0 0.3+
Ephemeris:
C/2011 P2 (PANSTARRS)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2011 07 08 20 23 11.6 -08 35 18 5.3341 6.2822 156.9 3.6 20.1
...
2011 07 23 20 17 41.0 -08 50 51 5.2961 6.2945 168.4 1.9 20.1
...
2011 07 31 20 14 37.7 -09 02 35 5.3020 6.3013 168.9 1.8 20.1
...
2011 08 06 20 12 23.5 -09 12 34 5.3187 6.3066 165.7 2.3 20.1
2011 08 07 20 12 01.7 -09 14 19 5.3225 6.3074 164.9 2.4 20.1
2011 08 08 20 11 40.1 -09 16 04 5.3266 6.3083 164.2 2.5 20.1
...
2011 08 14 20 09 35.4 -09 27 02 5.3568 6.3136 159.1 3.3 20.1
...
2011 08 22 20 07 06.1 -09 42 21 5.4124 6.3209 151.6 4.4 20.2
...
2011 09 06 20 03 38.5 -10 11 27 5.5599 6.3349 137.0 6.2 20.2
Gareth V. Williams (C) Copyright 2011 MPC M.P.E.C. 2011-P32
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