MPEC 2011-C79 : COMET C/2011 C1 (MCNAUGHT)
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Read MPEC 2011-C78
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M.P.E.C. 2011-C79 Issued 2011 Feb. 12, 23:15 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/2011 C1 (MCNAUGHT)
Observations:
CK11C010 QC2011 02 10.71510 15 59 24.02 -18 06 14.7 17.0 TrEC079E12
CK11C010 QC2011 02 10.72919 15 59 27.78 -18 06 14.7 17.1 TrEC079E12
CK11C010 QC2011 02 10.74334 15 59 31.64 -18 06 14.4 17.0 TrEC079E12
CK11C010 QC2011 02 10.75757 15 59 35.56 -18 06 13.7 16.7 TrEC079E12
CK11C010 KC2011 02 11.23270 16 01 45.53 -18 06 12.9 oEC079I89
CK11C010 KC2011 02 11.23496 16 01 46.20 -18 06 12.1 oEC079I89
CK11C010 KC2011 02 11.23723 16 01 46.80 -18 06 12.1 16.8 ToEC079I89
CK11C010 KC2011 02 11.44272 16 02 43.67 -18 06 04.8 18.3 TrEC079H10
CK11C010 KC2011 02 11.44683 16 02 44.71 -18 06 04.3 18.5 TrEC079H10
CK11C010 KC2011 02 11.45094 16 02 45.90 -18 06 04.2 16.8 TrEC079H10
CK11C010 %C2011 02 11.45552 16 02 47.18 -18 06 05.3 17.4 TrEC079H06
CK11C010 %C2011 02 11.46359 16 02 49.26 -18 06 03.5 17.5 TrEC079H06
CK11C010 %C2011 02 11.47166 16 02 51.50 -18 06 03.5 17.3 TrEC079H06
CK11C010 dC2011 02 11.48910 16 02 56.20 -18 06 04.0 18.6 TuEC079H36
CK11C010 dC2011 02 11.49240 16 02 57.12 -18 06 03.8 18.5 TuEC079H36
CK11C010 C2011 02 11.49245 16 02 57.22 -18 06 01.8 17.1 T EC079H10
CK11C010 C2011 02 11.49487 16 02 57.86 -18 06 00.8 17.2 T EC079H10
CK11C010 dC2011 02 11.49493 16 02 57.80 -18 06 03.4 18.4 TuEC079H36
CK11C010 C2011 02 11.49729 16 02 58.39 -18 05 59.7 17.6 T EC079H10
CK11C010 C2011 02 11.49829 16 02 58.89 -18 06 02.9 17.6 ToEC079H01
CK11C010 C2011 02 11.50482 16 03 00.66 -18 06 02.5 17.7 ToEC079H01
CK11C010 C2011 02 11.51931 16 03 04.63 -18 06 02.2 17.6 ToEC079H01
CK11C010 C2011 02 11.52317 16 03 05.70 -18 06 02.1 17.5 ToEC079H01
CK11C010 C2011 02 11.52772 16 03 06.96 -18 06 01.8 16.4 TrEC079G96
CK11C010 C2011 02 11.52866 16 03 07.25 -18 06 02.1 rEC079G96
CK11C010 C2011 02 11.52956 16 03 07.47 -18 06 01.7 rEC079G96
CK11C010 C2011 02 11.53045 16 03 07.72 -18 06 01.7 rEC079G96
CK11C010 QC2011 02 11.71706 16 03 59.56 -18 05 46.2 rEC079E12
CK11C010 QC2011 02 11.76541 16 04 12.89 -18 05 44.1 16.4 TrEC079E12
CK11C010 KC2011 02 12.21210 16 06 17.28 -18 05 28.6 18.0 TvEC079204
CK11C010 KC2011 02 12.21673 16 06 18.58 -18 05 28.6 vEC079204
CK11C010 KC2011 02 12.22249 16 06 20.17 -18 05 28.0 vEC079204
CK11C010 KC2011 02 12.30409 16 06 43.40 -18 05 13.7 17.6 TuEC079I19
CK11C010 KC2011 02 12.30628 16 06 43.97 -18 05 15.0 17.5 TuEC079I19
CK11C010 KC2011 02 12.30848 16 06 44.63 -18 05 15.2 17.8 TuEC079I19
CK11C010 KC2011 02 12.47053 16 07 29.87 -18 05 11.8 18.1 TvEC079H10
CK11C010 KC2011 02 12.47746 16 07 31.95 -18 05 11.3 16.2 TrEC079H10
CK11C010 KC2011 02 12.48171 16 07 33.16 -18 05 11.0 16.1 TrEC079H10
CK11C010 KC2011 02 12.48595 16 07 34.32 -18 05 10.7 16.0 TrEC079H10
CK11C010 QC2011 02 12.76761 16 08 53.62 -18 04 40.7 16.7 TrEC079E12
CK11C010 QC2011 02 12.77137 16 08 54.69 -18 04 41.6 16.7 TrEC079E12
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/3.62 reflector
+ CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala
Schmidt + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector
+ CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H06 RAS Observatory, Mayhill. Observers E. Guido, G. Sostero. 0.25-m f/3.4
reflector + CCD.
H10 Tzec Maun Observatory, Mayhill. Observers S. Baroni, L. Buzzi, P. Concari,
S. Foglia, G. Galli, M. Tombelli, T. V. Kryachko, S. Korotkiy, D. Chestnov,
A. Novichonok. Measurers S. Baroni, L. Buzzi, P. Concari, S. Foglia,
G. Galli, M. Tombelli, T. V. Kryachko, I. Tirsky, K. Mark, V. Nikiforov,
D. Chestnov, A. Novichonok. 0.18-m f/7.32 refractor + CCD, 0.21-m f/7.87
refractor, 0.36-m f/3.8 Maksutov-Newtonian + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I19 Observatorio El Gato Gris, Tanti. Observer C. Colazo. 0.35-m f/11
Schmidt-Cassegrain + CCD.
I89 Nerpio. Observer H. Sato. 0.43-m f/6.8 reflector + CCD.
Orbital elements:
C/2011 C1 (McNaught)
T 2011 Apr. 17.95254 TT MPC
q 0.8834103 (2000.0) P Q
Peri. 84.44010 +0.11094129 +0.99186145
Node 192.46010 -0.98727513 +0.10278573
e 1.0 Incl. 16.83100 -0.11392910 +0.07513960
From 39 observations 2011 Feb. 10-12.
Ephemeris:
C/2011 C1 (McNaught)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2011 01 13 14 16 21.9 -15 52 16 1.8016 1.8179 75.1 31.5 19.4
...
2011 01 28 15 04 00.4 -17 29 20 1.4921 1.6239 79.0 36.5 18.5
...
2011 02 05 15 34 41.1 -17 59 39 1.3428 1.5212 80.0 39.7 18.0
...
2011 02 11 16 00 41.3 -18 06 12 1.2408 1.4450 80.0 42.3 17.6
2011 02 12 16 05 17.7 -18 05 35 1.2247 1.4324 79.9 42.7 17.5
2011 02 13 16 09 59.0 -18 04 24 1.2090 1.4198 79.9 43.2 17.4
...
2011 02 19 16 39 51.2 -17 44 20 1.1212 1.3453 79.0 46.1 17.0
...
2011 02 27 17 24 18.4 -16 35 43 1.0248 1.2489 76.6 50.5 16.5
...
2011 03 14 18 58 27.2 -11 52 41 0.9225 1.0837 68.8 58.7 15.7
Gareth V. Williams (C) Copyright 2011 MPC M.P.E.C. 2011-C79
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