MPEC 2012-U49 : 2012 US27
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M.P.E.C. 2012-U49 Issued 2012 Oct. 20, 02:46 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 https://www.minorplanetcenter.net/ ISSN 1523-6714
2012 US27
Observations:
K12U27S*QC2012 10 17.58428 00 48 42.67 -47 27 08.5 19.1 VrEU049E12
K12U27S QC2012 10 17.59833 00 48 41.18 -47 26 55.1 18.8 VrEU049E12
K12U27S QC2012 10 17.61253 00 48 39.65 -47 26 41.0 18.8 VrEU049E12
K12U27S QC2012 10 17.62673 00 48 38.16 -47 26 27.6 18.8 VrEU049E12
K12U27S QC2012 10 17.76557 00 48 23.77 -47 24 13.9 rEU049E12
K12U27S |C2012 10 18.00598 00 48 00.19 -47 20 25.0 19.1 VuEU049807
K12U27S |C2012 10 18.00958 00 47 59.84 -47 20 22.3 19.4 VuEU049807
K12U27S QC2012 10 18.46280 00 47 13.79 -47 13 03.7 rEU049E12
K12U27S QC2012 10 18.46651 00 47 13.43 -47 12 59.9 18.7 VrEU049E12
K12U27S |C2012 10 18.99550 00 46 20.45 -47 04 15.7 19.1 VuEU049807
K12U27S |C2012 10 18.99951 00 46 20.04 -47 04 11.7 19.0 VuEU049807
K12U27S |C2012 10 19.00352 00 46 19.64 -47 04 07.8 19.0 VuEU049807
K12U27S |C2012 10 19.00754 00 46 19.22 -47 04 03.9 19.1 VuEU049807
K12U27S |C2012 10 19.01054 00 46 18.91 -47 04 00.9 19.0 VuEU049807
K12U27S KC2012 10 19.18450 00 46 00.93 -47 01 06.9 18.7 RuEU049821
K12U27S KC2012 10 19.18758 00 46 00.62 -47 01 03.8 18.6 RuEU049821
K12U27S KC2012 10 19.19190 00 46 00.18 -47 00 59.4 18.6 RuEU049821
K12U27S C2012 10 19.44815 00 45 34.97 -46 56 38.9 18.9 RoEU049474
K12U27S C2012 10 19.44956 00 45 34.82 -46 56 37.5 19.0 RoEU049474
K12U27S C2012 10 19.45097 00 45 34.69 -46 56 36.3 19.0 RoEU049474
K12U27S C2012 10 19.45237 00 45 34.52 -46 56 34.8 18.9 RoEU049474
K12U27S C2012 10 19.45378 00 45 34.40 -46 56 33.2 19.0 RoEU049474
K12U27S C2012 10 19.49988 00 45 29.84 -46 55 47.4 18.6 VoEU049E23
K12U27S C2012 10 19.50396 00 45 29.44 -46 55 43.5 19.4 VoEU049E23
K12U27S C2012 10 19.50828 00 45 28.97 -46 55 38.7 19.5 VoEU049E23
K12U27S C2012 10 19.51464 00 45 28.35 -46 55 32.4 19.3 VoEU049E23
K12U27S |C2012 10 20.06995 00 44 33.70 -46 45 59.8 19.0 VuEU049807
K12U27S |C2012 10 20.07406 00 44 33.29 -46 45 55.6 18.8 VuEU049807
K12U27S |C2012 10 20.08223 00 44 32.46 -46 45 47.0 19.0 VuEU049807
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.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
821 Cordoba-Bosque Alegre. Observers C. Colazo, P. Guzzo. Measurer C. Colazo.
1.54-m f/4.8 reflector + CCD.
E12 Siding Spring Survey. Observer R. H. McNaught. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
E23 Arcadia. Observer A. Hidas. 0.35-m Schmidt-Cassegrain + CCD.
Orbital elements:
2012 US27
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 348.64545 (2000.0) P Q
n 0.08617972 Peri. 1.23803 +0.63902969 -0.60144933
a 5.0761290 Node 49.31685 +0.70016533 +0.19676627
e 0.6413514 Incl. 39.21895 +0.31844867 +0.77430081
P 11.44 H 15.5 G 0.15 U 8
Residuals in seconds of arc
121017 E12 0.2+ 0.2- 121018 807 0.1+ 0.1- 121019 474 0.2- 0.0
121017 E12 0.1+ 0.2- 121019 807 0.2+ 0.2- 121019 474 0.1+ 0.2+
121017 E12 0.2- 0.4+ 121019 807 0.1+ 0.2- 121019 E23 0.1- 0.0
121017 E12 0.2- 0.2+ 121019 807 0.0 0.1- 121019 E23 0.1+ 0.2-
121017 E12 0.1+ 0.3- 121019 821 0.4- 0.3+ 121019 E23 0.2- 0.2+
121018 807 0.3- 0.5+ 121019 821 0.3- 0.3+ 121019 E23 0.1+ 0.0
121018 807 0.0 0.2- 121019 821 0.3- 0.3+ 121020 807 0.1+ 0.1-
121018 E12 0.0 0.1- 121019 474 0.0 0.2+ 121020 807 0.2+ 0.2-
121018 E12 0.3+ 0.1+ 121019 474 0.0 0.1+ 121020 807 0.1+ 0.0
121018 807 0.1+ 0.2- 121019 474 0.1+ 0.1-
Ephemeris:
2012 US27 a,e,i = 5.08, 0.64, 39 q = 1.8205
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 09 20 01 35 53.9 -50 33 21 1.5593 2.2949 125.7 20.8 19.3
...
2012 10 05 01 11 12.0 -49 51 24 1.4807 2.2125 125.1 21.7 19.1
...
2012 10 13 00 56 44.1 -48 32 06 1.4532 2.1704 123.6 22.5 19.1
...
2012 10 19 00 46 19.6 -47 04 12 1.4395 2.1399 121.9 23.3 19.0
2012 10 20 00 44 40.4 -46 47 12 1.4378 2.1349 121.6 23.4 19.0
2012 10 21 00 43 02.9 -46 29 33 1.4362 2.1299 121.2 23.6 19.0
...
2012 10 27 00 34 00.0 -44 30 27 1.4305 2.1006 119.0 24.4 19.0
...
2012 11 04 00 24 09.8 -41 19 38 1.4323 2.0631 115.5 25.7 19.0
...
2012 11 19 00 13 29.3 -34 06 31 1.4637 1.9984 107.6 28.1 19.1
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-U49
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