MPEC 2012-W28 : 2012 WP3
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M.P.E.C. 2012-W28 Issued 2012 Nov. 21, 18:19 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 WP3
Observations:
K12W03P* C2012 11 17.32455 06 26 31.02 +01 04 16.6 18.6 cEW028704
K12W03P C2012 11 17.35389 06 26 29.45 +01 03 22.0 19.3 cEW028704
K12W03P C2012 11 17.36844 06 26 28.70 +01 02 54.0 19.1 cEW028704
K12W03P C2012 11 17.38305 06 26 27.97 +01 02 25.9 19.4 cEW028704
K12W03P KC2012 11 18.15283 06 25 50.75 +00 38 11.6 uEW028J95
K12W03P KC2012 11 18.15585 06 25 50.61 +00 38 05.7 uEW028J95
K12W03P KC2012 11 18.15879 06 25 50.44 +00 38 00.5 18.4 RuEW028J95
K12W03P KC2012 11 18.19892 06 25 49.01 +00 37 02.0 18.2 RuEW028I19
K12W03P KC2012 11 18.20137 06 25 48.89 +00 36 57.4 18.7 RuEW028I19
K12W03P KC2012 11 18.20414 06 25 48.74 +00 36 52.1 18.8 RuEW028I19
K12W03P cC2012 11 18.34884 06 25 41.32 +00 32 07.0 18.2 RqEW028H36
K12W03P cC2012 11 18.35137 06 25 41.18 +00 32 01.9 18.8 RqEW028H36
K12W03P cC2012 11 18.36669 06 25 40.35 +00 31 32.2 18.3 RqEW028H36
K12W03P KC2012 11 18.39406306 25 38.80 +00 30 41.5 19.0 VuEW028H21
K12W03P KC2012 11 18.39825706 25 38.57 +00 30 33.7 19.0 VuEW028H21
K12W03P KC2012 11 18.40245206 25 38.34 +00 30 25.8 19.1 VuEW028H21
K12W03P KC2012 11 18.40460 06 25 38.18 +00 30 22.4 18.5 RoEW028850
K12W03P KC2012 11 18.41808 06 25 37.46 +00 29 57.2 18.5 RoEW028850
K12W03P KC2012 11 18.43155 06 25 36.75 +00 29 32.1 18.4 RoEW028850
K12W03P KC2012 11 18.44501 06 25 36.04 +00 29 07.0 18.4 RoEW028850
K12W03P KC2012 11 18.45848 06 25 35.28 +00 28 41.6 18.2 RoEW028850
K12W03P C2012 11 18.59861 06 25 28.87 +00 24 36.5 18.6 RoEW028474
K12W03P C2012 11 18.60000 06 25 28.80 +00 24 33.9 18.6 RoEW028474
K12W03P C2012 11 18.60140 06 25 28.73 +00 24 31.0 18.5 RoEW028474
K12W03P C2012 11 18.60706 06 25 28.41 +00 24 20.8 18.6 RoEW028474
K12W03P C2012 11 18.69243 06 25 24.23 +00 21 25.2 18.7 RoEW028300
K12W03P C2012 11 18.69566 06 25 24.06 +00 21 18.9 19.5 RoEW028300
K12W03P C2012 11 18.69727 06 25 23.94 +00 21 16.2 19.3 RoEW028300
K12W03P C2012 11 18.69889 06 25 23.89 +00 21 13.2 19.2 RoEW028300
K12W03P C2012 11 19.00889 06 25 07.80 +00 11 35.2 18.4 RvEW028C32
K12W03P C2012 11 19.01064 06 25 07.70 +00 11 31.8 18.2 RvEW028C32
K12W03P C2012 11 19.01237 06 25 07.60 +00 11 28.8 18.2 RvEW028C32
K12W03P C2012 11 19.01428 06 25 07.51 +00 11 25.3 18.1 RvEW028C32
K12W03P C2012 11 19.34394 06 24 50.71 +00 01 16.1 18.8 cEW028704
K12W03P C2012 11 19.35856 06 24 49.96 +00 00 50.0 19.1 cEW028704
K12W03P GC2012 11 19.36026 06 24 49.83 +00 00 46.6 17.9 RuEW028H06
K12W03P GC2012 11 19.36941 06 24 49.29 +00 00 29.9 uEW028H06
K12W03P C2012 11 19.37317 06 24 49.16 +00 00 22.1 19.3 cEW028704
K12W03P HC2012 11 19.48503 06 24 42.76 -00 03 03.3 18.5 RoEW028291
K12W03P HC2012 11 19.48613 06 24 42.69 -00 03 05.3 18.4 RoEW028291
K12W03P HC2012 11 19.48721 06 24 42.63 -00 03 07.3 18.3 RoEW028291
K12W03P KC2012 11 20.00808 06 24 15.43 -00 19 05.9 18.4 RvEW028B10
K12W03P C2012 11 20.05118 06 24 12.80 -00 20 27.3 19.9 RoEW028033
K12W03P KC2012 11 20.05318 06 24 12.79 -00 20 28.6 18.1 RvEW028B10
K12W03P C2012 11 20.05381 06 24 12.72 -00 20 30.9 19.8 RoEW028033
K12W03P C2012 11 20.07869 06 24 11.23 -00 21 16.8 19.3 RoEW028033
K12W03P C2012 11 20.08132 06 24 11.14 -00 21 20.5 19.3 RoEW028033
K12W03P C2012 11 20.13979 06 24 07.71 -00 23 07.7 18.6 RuEW028118
K12W03P C2012 11 20.14430 06 24 07.43 -00 23 15.7 18.8 RuEW028118
K12W03P C2012 11 20.14777 06 24 07.23 -00 23 22.0 18.5 RuEW028118
K12W03P C2012 11 20.15123 06 24 07.01 -00 23 28.2 18.7 RuEW028118
K12W03P |C2012 11 20.24041 06 24 02.75 -00 25 54.7 18.9 VuEW028807
K12W03P |C2012 11 20.24443 06 24 02.51 -00 26 02.0 18.8 VuEW028807
K12W03P |C2012 11 20.24845 06 24 02.27 -00 26 09.3 18.8 VuEW028807
K12W03P C2012 11 20.36269 06 23 55.97 -00 29 50.5 18.7 cEW028704
K12W03P C2012 11 20.37749 06 23 55.02 -00 30 17.5 19.1 cEW028704
K12W03P C2012 11 20.39210 06 23 54.22 -00 30 43.9 19.3 cEW028704
K12W03P C2012 11 20.40703 06 23 53.29 -00 31 10.1 18.9 cEW028704
K12W03P |C2012 11 21.26660 06 23 05.08 -00 56 50.5 18.7 VuEW028807
K12W03P |C2012 11 21.26990 06 23 04.87 -00 56 56.4 18.7 VuEW028807
K12W03P |C2012 11 21.27280 06 23 04.69 -00 57 01.7 18.7 VuEW028807
K12W03P |C2012 11 21.27611 06 23 04.49 -00 57 07.6 18.8 VuEW028807
K12W03P |C2012 11 21.27900 06 23 04.31 -00 57 12.8 18.8 VuEW028807
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observer B. Stecklum. 1.34-m
f/4 Schmidt + CCD.
118 Modra. Observers S. Gajdos, L. Kornos. Measurer S. Gajdos. 0.6-m f/5.5
reflector + CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, N. Hashimoto.
1.0-m f/3.0 reflector + CCD.
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.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall. 1.0-m
f/2.15 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.30-m f/2.5
Schmidt-Cassegrain + 765x510 CCD.
B10 Observatoire du Mas des Gres, Moydans. Observer P. Camilleri. 0.43-m
f/4.5 reflector + CCD.
C32 Ka-Dar Observatory, TAU Station, Nizhny Arkhyz. Observer V. Gerke.
Measurer A. Novichonok. 0.40-m f/8 Ritchey-Chretien + CCD.
H06 iTelescope Observatory, Mayhill. Observer P. Bacci. 0.25-m reflector
+ CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia, H. Devore. 0.61-m f/4.5
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I19 Observatorio El Gato Gris, Tanti. Observer C. Colazo. 0.36-m f/11
Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2012 WP3 Earth MOID = 0.3504 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 13.72285 (2000.0) P Q
n 0.31803315 Peri. 141.64171 +0.95202419 -0.11302604
a 2.1256306 Node 227.43828 +0.07934375 +0.98868227
e 0.3909899 Incl. 22.71237 +0.29555796 +0.09865330
P 3.10 H 17.6 G 0.15 U 7
Residuals in seconds of arc
121117 704 1.4+ 0.6- 121118 474 0.2- 0.1+ 121120 033 0.8- 1.6-
121117 704 0.3+ 0.4+ 121118 474 0.1- 0.1+ 121120 B10 0.3- 0.2-
121117 704 0.2+ 0.0 121118 474 0.0 0.2- 121120 033 0.3+ 0.3-
121117 704 0.5+ 0.4- 121118 474 0.2- 0.2+ 121120 033 0.6- 0.8-
121118 J95 0.2- 0.0 121118 300 0.4+ 0.0 121120 033 0.4+ 0.3+
121118 J95 0.1+ 0.2- 121118 300 0.5+ 0.3- 121120 118 0.4+ 0.5-
121118 J95 0.2- 0.1+ 121118 300 0.0 0.0 121120 118 0.1+ 0.2-
121118 I19 0.2- 0.1+ 121118 300 0.6+ 0.1+ 121120 118 0.1+ 0.2-
121118 I19 0.1- 0.1+ 121119 C32 0.0 0.1+ 121120 118 0.2- 0.1-
121118 I19 0.1- 0.0 121119 C32 0.1- 0.1- 121120 807 0.1+ 0.0
121118 H36 0.2- 0.8+ 121119 C32 0.1- 0.1+ 121120 807 0.0 0.0
121118 H36 0.2- 0.4+ 121119 C32 0.1+ 0.2+ 121120 807 0.0 0.1+
121118 H36 0.3- 0.6- 121119 704 0.4- 0.5- 121120 704 0.7+ 0.5+
121118 H21 0.1- 0.1+ 121119 704 0.8+ 0.4+ 121120 704 0.3- 0.4+
121118 H21 0.2- 0.1+ 121119 H06 0.5+ 0.1- 121120 704 0.7+ 0.6+
121118 H21 0.2- 0.1+ 121119 H06 0.2+ 0.1+ 121120 704 0.1+ 1.6+
121118 850 0.4- 0.1- 121119 704 1.2+ 0.6- 121121 807 0.1- 0.1-
121118 850 0.3- 0.1- 121119 291 0.1+ 0.0 121121 807 0.2- 0.0
121118 850 0.1- 0.0 121119 291 0.1- 0.1+ 121121 807 0.2- 0.1-
121118 850 0.1+ 0.1+ 121119 291 0.0 0.1+ 121121 807 0.1- 0.1-
121118 850 0.5- 0.1- 121120 B10 0.2+ 0.0 121121 807 0.1- 0.1-
Ephemeris:
2012 WP3 a,e,i = 2.13, 0.39, 23 q = 1.2945
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 10 22 06 27 50.7 +15 50 16 0.7180 1.4277 111.9 40.3 19.2
...
2012 11 06 06 31 57.4 +07 20 04 0.6855 1.4875 124.0 33.5 19.0
...
2012 11 14 06 28 49.4 +02 51 26 0.6789 1.5221 130.8 29.5 19.0
...
2012 11 20 06 24 15.6 -00 18 41 0.6802 1.5491 135.6 26.5 18.9
2012 11 21 06 23 20.2 -00 48 56 0.6810 1.5537 136.4 26.0 18.9
2012 11 22 06 22 22.3 -01 18 43 0.6820 1.5583 137.2 25.5 18.9
...
2012 11 28 06 15 47.3 -04 05 53 0.6916 1.5862 141.3 22.9 18.9
...
2012 12 06 06 05 28.2 -07 11 56 0.7150 1.6243 145.2 20.3 18.9
...
2012 12 21 05 45 13.0 -10 45 44 0.7920 1.6976 145.7 19.1 19.2
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-W28
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