MPEC 2012-U07 : 2012 TO231
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M.P.E.C. 2012-U07 Issued 2012 Oct. 17, 15:20 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 TO231
Observations:
K12TN1O*QC2012 10 13.58967 00 47 21.09 -30 01 08.5 19.6 VrEU007E12
K12TN1O QC2012 10 13.60150 00 47 17.52 -30 00 36.8 19.6 VrEU007E12
K12TN1O QC2012 10 13.61356 00 47 13.81 -30 00 03.2 19.5 VrEU007E12
K12TN1O QC2012 10 13.62570 00 47 10.22 -29 59 29.1 19.3 VrEU007E12
K12TN1O QC2012 10 13.64250 00 47 05.13 -29 58 42.7 18.8 VrEU007E12
K12TN1O QC2012 10 13.64568 00 47 04.16 -29 58 33.6 18.8 VrEU007E12
K12TN1O QC2012 10 13.69404 00 46 49.61 -29 56 18.9 18.8 VrEU007E12
K12TN1O QC2012 10 13.76470 00 46 28.51 -29 52 59.7 19.4 VrEU007E12
K12TN1O QC2012 10 14.45385 00 43 06.46 -29 20 27.3 19.2 VrEU007E12
K12TN1O QC2012 10 14.56738 00 42 31.59 -29 14 57.2 19.4 VrEU007E12
K12TN1O QC2012 10 14.75911 00 41 32.99 -29 05 24.3 19.2 VrEU007E12
K12TN1O KC2012 10 15.06741 00 40 01.16 -28 50 24.3 19.0 RtEU007J04
K12TN1O KC2012 10 15.06871 00 40 00.77 -28 50 20.2 19.0 RtEU007J04
K12TN1O |C2012 10 15.16569 00 39 32.04 -28 45 06.7 19.1 VuEU007807
K12TN1O |C2012 10 15.17031 00 39 30.60 -28 44 52.3 19.2 VuEU007807
K12TN1O |C2012 10 15.17263 00 39 29.87 -28 44 45.0 19.3 VuEU007807
K12TN1O |C2012 10 15.17493 00 39 29.13 -28 44 38.0 19.1 VuEU007807
K12TN1O QC2012 10 15.43289 00 38 12.22 -28 31 20.0 19.3 VrEU007E12
K12TN1O QC2012 10 15.72839 00 36 40.19 -28 15 48.3 19.5 VrEU007E12
K12TN1O KC2012 10 15.96696 00 35 29.13 -28 03 30.3 19.0 RtEU007J04
K12TN1O KC2012 10 15.96887 00 35 28.53 -28 03 24.2 19.1 RtEU007J04
K12TN1O KC2012 10 15.97079 00 35 27.92 -28 03 18.0 19.0 RtEU007J04
K12TN1O C2012 10 16.15380 00 34 32.46 -27 53 24.9 19.3 RoEU007H01
K12TN1O C2012 10 16.15967 00 34 30.66 -27 53 05.5 18.9 RoEU007H01
K12TN1O C2012 10 16.16795 00 34 28.04 -27 52 39.2 19.1 RoEU007H01
K12TN1O C2012 10 16.17717 00 34 25.19 -27 52 09.1 19.1 RoEU007H01
K12TN1O QC2012 10 16.44386 00 33 03.52 -27 37 09.0 19.0 VrEU007E12
K12TN1O FC2012 10 16.89379 00 30 44.24 -27 12 17.1 tEU007204
K12TN1O KC2012 10 16.90765 00 30 39.90 -27 11 29.9 18.6 RtEU007204
K12TN1O |C2012 10 17.15498 00 29 23.17 -26 56 54.2 19.3 VuEU007807
K12TN1O |C2012 10 17.15962 00 29 21.69 -26 56 37.9 19.3 VuEU007807
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + 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, J. D. Ahern, E. C. Beshore. 0.5-m Uppsala
Schmidt + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers
A. Knoefel, D. Koschny, M. Busch. 1.0-m f/4.4 reflector + CCD.
Orbital elements:
2012 TO231 Earth MOID = 0.2004 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 344.68638 (2000.0) P Q
n 0.20108699 Peri. 44.51053 +0.38249084 -0.88196920
a 2.8854490 Node 26.99345 +0.58337719 -0.00059299
e 0.6242512 Incl. 37.35131 +0.71649969 +0.47130667
P 4.90 H 19.4 G 0.15 U 7
Residuals in seconds of arc
121013 E12 0.1+ 0.1+ 121015 J04 0.1- 0.4- 121016 H01 0.6- 0.3-
121013 E12 0.2+ 0.7- 121015 J04 0.1+ 0.2- 121016 H01 0.0 0.2+
121013 E12 0.7- 0.4- 121015 807 0.5+ 0.4- 121016 H01 0.3- 0.3-
121013 E12 0.3+ 0.1+ 121015 807 0.5+ 0.2- 121016 H01 0.3+ 0.1-
121013 E12 0.0 0.1- 121015 807 0.3+ 0.0 121016 E12 0.2- 0.3-
121013 E12 0.1- 0.2+ 121015 807 0.0 0.0 121016 204 0.8- 0.0
121013 E12 0.2- 0.1- 121015 E12 0.1+ 0.2- 121016 204 0.2- 0.1-
121013 E12 0.3- 0.2+ 121015 E12 0.3- 0.1- 121017 807 0.4+ 0.1+
121014 E12 0.1- 0.1+ 121015 J04 0.1- 0.2+ 121017 807 0.4+ 0.3+
121014 E12 0.2- 0.1+ 121015 J04 0.1- 0.2+
121014 E12 0.1+ 0.1+ 121015 J04 0.1- 0.2+
Ephemeris:
2012 TO231 a,e,i = 2.89, 0.62, 37 q = 1.0842
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 09 17 02 11 54.9 -37 17 38 0.6862 1.5414 130.4 29.8 20.8
...
2012 10 02 01 35 59.1 -35 41 08 0.5146 1.4258 138.1 28.0 20.0
...
2012 10 10 01 04 14.8 -32 24 34 0.4382 1.3670 140.9 27.4 19.5
...
2012 10 16 00 35 19.0 -28 01 28 0.3914 1.3248 141.2 28.1 19.2
2012 10 17 00 30 11.5 -27 05 54 0.3847 1.3180 141.0 28.4 19.2
2012 10 18 00 25 00.4 -26 06 47 0.3783 1.3112 140.7 28.7 19.1
...
2012 10 24 23 53 19.7 -18 58 25 0.3479 1.2718 137.1 32.2 19.0
...
2012 11 01 23 12 42.4 -06 48 51 0.3312 1.2232 127.7 40.0 19.0
...
2012 11 16 22 13 08.0 +16 33 33 0.3702 1.1481 106.1 55.9 19.6
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-U07
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