MPEC 2011-G52 : 2011 GZ54
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M.P.E.C. 2011-G52 Issued 2011 Apr. 7, 09:54 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
2011 GZ54
Observations:
K11G54Z*QC2011 04 05.60454 11 49 49.85 -22 48 22.9 19.3 VrEG052E12
K11G54Z QC2011 04 05.62432 11 49 49.89 -22 47 29.6 19.0 VrEG052E12
K11G54Z QC2011 04 05.64415 11 49 50.05 -22 46 35.9 19.7 VrEG052E12
K11G54Z QC2011 04 06.41700 11 50 11.83 -22 11 53.8 19.0 VrEG052E12
K11G54Z QC2011 04 06.42190 11 50 11.88 -22 11 41.1 19.0 VrEG052E12
K11G54Z QC2011 04 06.61137 11 50 13.29 -22 03 05.5 19.1 VrEG052E12
K11G54Z QC2011 04 06.61646 11 50 13.33 -22 02 51.5 18.9 VrEG052E12
K11G54Z QC2011 04 06.69175 11 50 14.20 -21 59 20.0 rEG052E12
K11G54Z QC2011 04 06.69691 11 50 14.25 -21 59 05.1 19.6 VrEG052E12
K11G54Z QC2011 04 06.70213 11 50 14.34 -21 58 50.6 19.8 VrEG052E12
K11G54Z KC2011 04 06.90688 11 50 22.45 -21 50 25.1 19.0 RvEG052204
K11G54Z KC2011 04 06.91984 11 50 22.56 -21 49 49.4 vEG052204
K11G54Z KC2011 04 07.19969511 50 29.74 -21 36 49.5 20.1 VtEG052H21
K11G54Z KC2011 04 07.20372211 50 29.78 -21 36 38.3 19.7 VtEG052H21
K11G54Z KC2011 04 07.20789511 50 29.84 -21 36 26.8 19.5 VtEG052H21
K11G54Z KC2011 04 07.21185911 50 29.84 -21 36 14.8 19.0 VtEG052H21
K11G54Z 4C2011 04 07.23204 11 50 31.50 -21 35 16.0 19.2 R EG052673
K11G54Z 4C2011 04 07.23933 11 50 31.56 -21 34 57.0 19.2 R EG052673
K11G54Z 4C2011 04 07.24549 11 50 31.62 -21 34 37.8 19.2 R EG052673
K11G54Z 4C2011 04 07.25346 11 50 31.74 -21 34 18.2 19.2 R EG052673
K11G54Z C2011 04 07.33930 11 50 32.14 -21 30 14.0 19.6 RcEG052854
K11G54Z C2011 04 07.34508 11 50 32.28 -21 29 56.4 20.0 RcEG052854
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
673 Table Mountain Observatory, Wrightwood. Observer D. Mayes. 0.61-m
reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
Orbital elements:
2011 GZ54 Earth MOID = 0.1423 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 297.02204 (2000.0) P Q
n 0.63970068 Peri. 15.53367 -0.65606355 +0.74855075
a 1.3339867 Node 213.63686 -0.70961142 -0.65522853
e 0.1405212 Incl. 10.00009 -0.25696741 -0.10172191
P 1.54 H 21.9 G 0.15 U 7
Residuals in seconds of arc
110405 E12 0.6+ 0.1+ 110406 E12 0.2- 0.2+ 110407 673 0.1+ 0.2+
110405 E12 0.3- 0.0 110406 E12 0.1- 0.1- 110407 673 0.0 1.0-
110405 E12 0.0 0.1- 110406 204 0.4+ 0.0 110407 673 0.0 1.1+
110406 E12 0.2- 0.3+ 110406 204 0.0 0.1- 110407 673 0.7+ 1.4-
110406 E12 0.2- 0.0 110407 H21 0.0 0.1- 110407 854 0.2- 0.1-
110406 E12 0.1- 0.1+ 110407 H21 0.0 0.2- 110407 854 0.8+ 1.0+
110406 E12 0.1- 0.1- 110407 H21 0.2+ 0.4-
110406 E12 0.2+ 0.1- 110407 H21 0.3- 0.5+
Ephemeris:
2011 GZ54 a,e,i = 1.33, 0.14, 10 q = 1.1465
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 03 08 11 48 27.5 -33 14 54 0.2743 1.2169 140.6 31.2 20.9
...
2011 03 23 11 48 06.5 -30 22 28 0.2198 1.1919 150.0 24.7 20.1
...
2011 03 31 11 48 27.7 -26 32 10 0.1976 1.1804 154.6 21.2 19.8
...
2011 04 06 11 49 59.9 -22 30 57 0.1847 1.1727 156.9 19.6 19.6
2011 04 07 11 50 24.5 -21 45 25 0.1829 1.1715 157.1 19.4 19.5
2011 04 08 11 50 52.2 -20 58 30 0.1813 1.1703 157.2 19.4 19.5
...
2011 04 14 11 54 47.9 -15 51 50 0.1734 1.1638 156.5 20.1 19.4
...
2011 04 22 12 03 20.8 -08 21 27 0.1689 1.1566 151.8 24.2 19.5
...
2011 05 07 12 29 01.2 +04 52 35 0.1785 1.1482 138.2 35.8 19.9
Carl W. Hergenrother (C) Copyright 2011 MPC M.P.E.C. 2011-G52
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