MPEC 2012-U17 : 2012 UD
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M.P.E.C. 2012-U17 Issued 2012 Oct. 17, 17:03 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 UD
Observations:
K12U00D* C2012 10 16.19409 22 48 53.64 +16 59 33.6 19.1 VrEU017703
K12U00D C2012 10 16.19910 22 48 54.14 +17 00 27.6 19.3 VrEU017703
K12U00D C2012 10 16.20417 22 48 54.86 +17 01 21.9 20.0 VrEU017703
K12U00D C2012 10 16.20927 22 48 55.29 +17 02 19.4 19.4 VrEU017703
K12U00D C2012 10 16.24522 22 48 59.36 +17 08 50.3 18.7 VrEU017703
K12U00D C2012 10 16.24576 22 48 59.36 +17 08 54.7 18.9 VrEU017703
K12U00D C2012 10 16.24631 22 48 59.47 +17 09 03.2 19.5 VrEU017703
K12U00D KC2012 10 16.24638122 48 57.53 +17 08 43.9 19.3 VrEU017H21
K12U00D C2012 10 16.24686 22 48 59.58 +17 09 10.2 19.6 VrEU017703
K12U00D KC2012 10 16.24880122 48 57.85 +17 09 10.2 19.3 VrEU017H21
K12U00D KC2012 10 16.25072822 48 58.08 +17 09 31.2 19.4 VrEU017H21
K12U00D C2012 10 16.34538 22 49 11.60 +17 26 54.8 19.1 VrEU017703
K12U00D C2012 10 16.34594 22 49 11.56 +17 27 01.6 19.3 VrEU017703
K12U00D C2012 10 16.34705 22 49 11.85 +17 27 14.0 19.3 VrEU017703
K12U00D KC2012 10 16.82586 22 50 36.94 +18 53 53.9 uEU017J95
K12U00D KC2012 10 16.82942 22 50 37.36 +18 54 32.6 18.6 RuEU017J95
K12U00D KC2012 10 16.86688 22 50 41.25 +19 01 32.2 19.2 RqEU017204
K12U00D KC2012 10 16.87584 22 50 42.41 +19 03 09.7 qEU017204
K12U00D KC2012 10 16.88475 22 50 43.51 +19 04 46.0 qEU017204
K12U00D C2012 10 17.05921 22 51 18.22 +19 36 37.7 18.7 RoEU017H01
K12U00D C2012 10 17.06749 22 51 19.31 +19 38 08.6 19.4 RoEU017H01
K12U00D C2012 10 17.07514 22 51 20.31 +19 39 32.8 18.8 RoEU017H01
K12U00D C2012 10 17.08119 22 51 21.10 +19 40 39.2 18.8 RoEU017H01
K12U00D C2012 10 17.09840 22 51 23.76 +19 43 49.9 19.8 VrEU017G96
K12U00D C2012 10 17.09898 22 51 23.83 +19 43 56.2 19.6 VrEU017G96
K12U00D C2012 10 17.09954 22 51 23.90 +19 44 02.4 19.3 VrEU017G96
K12U00D KC2012 10 17.32389 22 51 52.04 +20 24 27.3 19.1 RoEU017291
K12U00D KC2012 10 17.32480 22 51 52.16 +20 24 36.9 19.4 RoEU017291
K12U00D KC2012 10 17.32571 22 51 52.29 +20 24 46.6 19.3 RoEU017291
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. Measurers A. Boattini,
E. J. Christensen, 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. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov. 0.61-m f/4.0
astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 UD Earth MOID = 0.0597 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 351.50361 (2000.0) P Q
n 0.40710855 Peri. 14.95939 +0.89697785 -0.44106611
a 1.8030007 Node 11.35308 +0.38842919 +0.75408198
e 0.4164545 Incl. 8.72369 +0.21107702 +0.48664264
P 2.42 H 23.5 G 0.15 U 7
Residuals in seconds of arc
121016 703 0.0 0.3+ 121016 H21 0.2+ 0.4+ 121017 H01 0.3- 0.0
121016 703 0.8- 0.5- 121016 703 0.6- 0.2- 121017 H01 0.3- 0.2+
121016 703 1.4+ 1.6- 121016 703 (2.3- 0.5+) 121017 H01 0.2- 0.1+
121016 703 0.6- 0.1+ 121016 703 0.2- 1.0+ 121017 G96 0.1- 0.1+
121016 703 0.3- 0.9- 121016 J95 0.5+ 0.1+ 121017 G96 0.1- 0.0
121016 703 (1.2- 2.3-) 121016 J95 0.2- 0.2- 121017 G96 0.1- 0.1+
121016 703 0.5- 0.2+ 121016 204 0.0 0.2- 121017 291 0.0 0.1+
121016 H21 0.2+ 0.2+ 121016 204 0.4+ 0.0 121017 291 0.0 0.0
121016 703 0.1+ 1.2+ 121016 204 0.1+ 0.4- 121017 291 0.0 0.0
121016 H21 0.4+ 0.3+ 121017 H01 0.3- 0.2+
Ephemeris:
2012 UD a,e,i = 1.80, 0.42, 9 q = 1.0521
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 09 17 22 24 04.0 -37 55 14 0.1354 1.1128 140.4 35.2 20.8
...
2012 10 02 22 26 11.7 -20 10 34 0.08941 1.0716 140.8 36.2 19.9
...
2012 10 10 22 35 44.3 -01 25 17 0.07449 1.0587 142.5 35.0 19.4
...
2012 10 16 22 48 23.5 +16 24 32 0.07132 1.0534 141.2 36.3 19.4
2012 10 17 22 51 03.4 +19 26 26 0.07158 1.0530 140.7 36.9 19.4
2012 10 18 22 53 53.8 +22 26 04 0.07207 1.0526 140.0 37.4 19.4
...
2012 10 24 23 14 52.3 +38 40 36 0.07933 1.0527 135.5 41.5 19.7
...
2012 11 01 23 53 55.4 +53 41 26 0.09782 1.0589 130.8 45.2 20.3
...
2012 11 16 01 30 45.8 +64 50 53 0.1464 1.0889 130.1 44.0 21.2
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-U17
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