MPEC 2012-Q64 : 2012 QA18
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M.P.E.C. 2012-Q64 Issued 2012 Aug. 27, 12:18 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 QA18
Observations:
K12Q18A* C2012 08 25.30436 22 12 03.42 -15 24 15.6 18.9 VrEQ064G96
K12Q18A C2012 08 25.31360 22 12 08.35 -15 26 54.4 18.7 VrEQ064G96
K12Q18A C2012 08 25.32286 22 12 13.35 -15 29 33.7 18.9 VrEQ064G96
K12Q18A C2012 08 25.33211 22 12 18.28 -15 32 12.3 18.9 VrEQ064G96
K12Q18A KC2012 08 25.36136622 12 32.18 -15 40 37.1 19.5 VuEQ064H21
K12Q18A KC2012 08 25.36501422 12 34.17 -15 41 39.5 19.2 VuEQ064H21
K12Q18A KC2012 08 25.36898122 12 36.35 -15 42 47.1 19.6 VuEQ064H21
K12Q18A C2012 08 25.46490 22 13 40.62 -16 07 59.7 18.0 VrEQ064E12
K12Q18A C2012 08 25.46537 22 13 40.94 -16 08 08.7 18.0 VrEQ064E12
K12Q18A C2012 08 25.46583 22 13 41.19 -16 08 15.9 18.5 VrEQ064E12
K12Q18A C2012 08 25.46629 22 13 41.41 -16 08 25.3 17.7 VrEQ064E12
K12Q18A KC2012 08 26.22508 22 20 51.33 -19 37 42.0 oEQ064291
K12Q18A KC2012 08 26.22624 22 20 52.01 -19 38 00.6 19.2 RoEQ064291
K12Q18A KC2012 08 26.22741 22 20 52.62 -19 38 19.8 19.4 RoEQ064291
K12Q18A |C2012 08 27.08741 22 28 47.94 -23 13 13.5 19.5 VuEQ064807
K12Q18A |C2012 08 27.08977 22 28 49.14 -23 13 48.2 19.5 VuEQ064807
K12Q18A |C2012 08 27.09212 22 28 50.33 -23 14 22.0 19.4 VuEQ064807
K12Q18A |C2012 08 27.09447 22 28 51.54 -23 14 56.4 19.5 VuEQ064807
K12Q18A |C2012 08 27.09680 22 28 52.73 -23 15 30.4 19.6 VuEQ064807
K12Q18A KC2012 08 27.20864 22 29 51.39 -23 44 00.8 18.5 RuEQ064H36
K12Q18A KC2012 08 27.21310 22 29 53.62 -23 45 06.0 18.6 RuEQ064H36
K12Q18A KC2012 08 27.21758 22 29 55.90 -23 46 09.9 18.2 RuEQ064H36
K12Q18A KC2012 08 27.22212 22 29 58.33 -23 47 14.8 18.8 RuEQ064H36
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 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. 0.5-m Uppsala Schmidt + CCD.
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers H. Devore, T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.5
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2012 QA18 Earth MOID = 0.0713 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 28.14203 (2000.0) P Q
n 0.45909847 Peri. 154.11002 +0.59758166 +0.78041348
a 1.6641743 Node 151.44613 -0.78615674 +0.61539991
e 0.3650179 Incl. 22.63882 -0.15765069 -0.11062433
P 2.15 H 23.7 G 0.15 U 7
Residuals in seconds of arc
120825 G96 0.2+ 0.1+ 120825 E12 0.8+ 0.4- 120827 807 0.1+ 0.2+
120825 G96 0.2- 0.3+ 120825 E12 0.8+ 0.2+ 120827 807 0.3+ 0.0
120825 G96 0.2+ 0.2+ 120825 E12 0.3+ 1.3- 120827 807 0.3+ 0.0
120825 G96 0.4- 0.4+ 120826 291 1.0- 0.2+ 120827 H36 0.4- 1.1+
120825 H21 0.1+ 0.3+ 120826 291 0.0 0.1+ 120827 H36 0.7- 0.3-
120825 H21 0.2- 0.0 120826 291 0.1- 0.5- 120827 H36 0.5- 0.2-
120825 H21 0.3- 0.1- 120827 807 0.3+ 0.1+ 120827 H36 1.5+ 0.3-
120825 E12 0.1- 0.5+ 120827 807 0.2+ 0.2-
Ephemeris:
2012 QA18 a,e,i = 1.66, 0.37, 23 q = 1.0567
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 07 28 18 11 04.5 +59 15 23 0.1974 1.0570 96.8 72.6 22.8
...
2012 08 12 19 54 39.1 +44 20 20 0.1027 1.0639 117.0 58.0 21.0
...
2012 08 20 21 17 27.6 +13 21 50 0.07214 1.0763 152.3 25.9 19.3
...
2012 08 26 22 18 40.9 -18 36 12 0.07938 1.0892 171.8 7.6 18.9
2012 08 27 22 27 55.7 -22 52 17 0.08323 1.0916 167.1 11.9 19.2
2012 08 28 22 36 48.8 -26 41 49 0.08764 1.0941 162.9 15.8 19.5
...
2012 09 03 23 21 56.7 -41 50 48 0.1222 1.1109 144.9 31.5 20.7
...
2012 09 11 00 01 49.4 -50 07 12 0.1787 1.1371 133.5 40.0 21.8
...
2012 09 26 00 37 07.3 -53 31 47 0.2952 1.1965 125.0 43.4 23.1
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-Q64
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