MPEC 2012-W31 : 2012 WS3
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M.P.E.C. 2012-W31 Issued 2012 Nov. 21, 18:36 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 WS3
Observations:
K12W03S* C2012 11 20.32726 04 02 44.66 +26 05 21.5 19.9 VrEW031703
K12W03S C2012 11 20.33370 04 02 42.50 +26 04 25.4 19.6 VrEW031703
K12W03S C2012 11 20.34010 04 02 40.38 +26 03 29.5 19.8 VrEW031703
K12W03S C2012 11 20.34657 04 02 38.25 +26 02 32.5 20.3 VrEW031703
K12W03S C2012 11 20.36433 04 02 32.64 +25 59 57.4 19.1 VrEW031G96
K12W03S C2012 11 20.37202 04 02 30.19 +25 58 49.9 19.6 VrEW031G96
K12W03S C2012 11 20.37976 04 02 27.74 +25 57 42.5 19.3 VrEW031G96
K12W03S C2012 11 20.41473 04 02 16.87 +25 52 36.3 19.6 VrEW031703
K12W03S C2012 11 20.41482 04 02 16.87 +25 52 34.0 18.9 VrEW031G96
K12W03S C2012 11 20.41587 04 02 16.51 +25 52 24.9 19.4 VrEW031703
K12W03S C2012 11 20.41814 04 02 15.79 +25 52 03.7 18.9 VrEW031703
K12W03S C2012 11 20.42287 04 02 14.42 +25 51 23.5 19.8 VrEW031G96
K12W03S C2012 11 20.43094 04 02 12.01 +25 50 12.4 19.1 VrEW031G96
K12W03S C2012 11 20.43903 04 02 09.63 +25 49 01.0 19.3 VrEW031G96
K12W03S KC2012 11 20.96881 04 00 22.60 +24 38 10.3 19.0 RoEW031B67
K12W03S KC2012 11 20.97303 04 00 21.45 +24 37 38.6 19.0 RoEW031B67
K12W03S KC2012 11 20.97738 04 00 20.27 +24 37 05.8 18.8 RoEW031B67
K12W03S KC2012 11 21.01683 04 00 09.70 +24 32 13.6 18.7 RuEW031203
K12W03S KC2012 11 21.03999 04 00 03.61 +24 29 18.4 uEW031203
K12W03S IC2012 11 21.10445 03 59 47.45 +24 21 09.5 19.3 RtEW031204
K12W03S KC2012 11 21.11615 03 59 44.69 +24 19 40.7 tEW031204
K12W03S |C2012 11 21.20310 03 59 34.72 +24 13 21.5 19.3 VuEW031807
K12W03S |C2012 11 21.20551 03 59 34.07 +24 13 04.1 19.6 VuEW031807
K12W03S |C2012 11 21.20791 03 59 33.41 +24 12 46.9 19.6 VuEW031807
K12W03S |C2012 11 21.21031 03 59 32.77 +24 12 29.5 19.6 VuEW031807
K12W03S |C2012 11 21.21271 03 59 32.12 +24 12 12.2 19.8 VuEW031807
K12W03S KC2012 11 21.25145 03 59 26.85 +24 04 10.6 19.4 RqEW031H36
K12W03S KC2012 11 21.25643 03 59 25.57 +24 03 35.7 19.7 RqEW031H36
K12W03S KC2012 11 21.26146 03 59 24.23 +24 02 59.2 20.0 RqEW031H36
Observer details:
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.28-m f/6.8 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 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, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
B67 Sternwarte Mirasteilas, Falera. Observer J. De Queiroz. 0.90-m f/6.7
reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2012 WS3 Earth MOID = 0.0010 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 15.74240 (2000.0) P Q
n 0.83910007 Peri. 86.12722 +0.84494377 +0.53164430
a 1.1132522 Node 241.74726 -0.51330239 +0.77528200
e 0.2802957 Incl. 3.80910 -0.15030198 +0.34101636
P 1.17 H 25.8 G 0.15 U 8
Residuals in seconds of arc
121120 703 0.7+ 0.1+ 121120 703 0.5- 1.3- 121121 204 0.4+ 0.1+
121120 703 0.1- 0.2+ 121120 G96 0.0 0.1+ 121121 807 0.2+ 0.0
121120 703 0.5- 0.1+ 121120 G96 0.0 0.0 121121 807 0.3+ 0.0
121120 703 0.9- 0.4- 121120 G96 0.0 0.2- 121121 807 0.2+ 0.1+
121120 G96 0.4+ 0.0 121120 B67 0.1- 0.2- 121121 807 0.3+ 0.0
121120 G96 0.5+ 0.1- 121120 B67 0.3- 0.2- 121121 807 0.3+ 0.0
121120 G96 0.5+ 0.3+ 121120 B67 0.4- 0.3- 121121 H36 0.1- 0.1-
121120 703 0.1+ 1.3+ 121121 203 0.7- 0.7+ 121121 H36 0.3+ 0.2+
121120 G96 0.3+ 0.2- 121121 203 0.6- 0.4+ 121121 H36 0.1- 0.8-
121120 703 0.1- 0.1- 121121 204 0.3- 0.3+
Ephemeris:
2012 WS3 a,e,i = 1.11, 0.28, 4 q = 0.8012
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 10 22 15 20 30.2 +00 00 42 0.1123 0.8953 25.7 151.2 29.5
...
2012 11 06 15 01 50.6 +16 55 30 0.03622 0.9611 33.2 145.7 26.2
...
2012 11 14 06 25 28.0 +64 42 17 0.01643 0.9987 124.0 55.2 18.9
...
2012 11 20 04 04 09.5 +26 54 52 0.03957 1.0272 171.2 8.4 19.4
2012 11 21 04 00 16.0 +24 35 37 0.04430 1.0319 174.4 5.4 19.5
2012 11 22 03 57 14.0 +22 42 57 0.04912 1.0367 177.0 2.8 19.6
...
2012 11 28 03 47 42.9 +16 22 40 0.07938 1.0651 171.6 7.8 21.0
...
2012 12 06 03 43 49.2 +13 08 51 0.1228 1.1024 161.5 16.5 22.3
...
2012 12 21 03 46 33.6 +11 40 56 0.2144 1.1691 146.8 27.4 24.0
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-W31
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