MPEC 2012-O20 : 2012 OC1
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M.P.E.C. 2012-O20 Issued 2012 July 21, 17:14 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 OC1
Observations:
K12O01C*QC2012 07 18.59665 21 38 39.42 -20 55 09.3 20.1 VrEO020E12
K12O01C QC2012 07 18.61974 21 38 37.87 -20 55 23.4 19.7 VrEO020E12
K12O01C QC2012 07 18.65275 21 38 35.77 -20 55 45.1 19.9 VrEO020E12
K12O01C QC2012 07 18.65579 21 38 35.58 -20 55 47.0 19.9 VrEO020E12
K12O01C QC2012 07 18.72340 21 38 31.18 -20 56 30.7 19.9 VrEO020E12
K12O01C QC2012 07 18.80908 21 38 25.66 -20 57 25.0 19.8 VrEO020E12
K12O01C KC2012 07 19.03657 21 38 12.05 -21 00 01.0 19.1 RtEO020204
K12O01C KC2012 07 19.05595 21 38 10.76 -21 00 14.2 tEO020204
K12O01C |C2012 07 19.21039 21 38 01.31 -21 01 44.1 20.2 VuEO020807
K12O01C |C2012 07 19.21448 21 38 01.04 -21 01 47.0 20.0 VuEO020807
K12O01C |C2012 07 19.21855 21 38 00.78 -21 01 49.5 19.9 VuEO020807
K12O01C |C2012 07 19.22262 21 38 00.51 -21 01 52.1 20.0 VuEO020807
K12O01C KC2012 07 19.33058221 37 53.58 -21 03 10.0 19.8 VtEO020H21
K12O01C KC2012 07 19.33422821 37 53.30 -21 03 13.2 19.7 VtEO020H21
K12O01C KC2012 07 19.33788721 37 53.09 -21 03 14.9 19.9 VtEO020H21
K12O01C KC2012 07 19.34141821 37 52.83 -21 03 17.3 19.7 VtEO020H21
K12O01C HC2012 07 19.46050 21 37 45.22 -21 04 33.0 18.8 RoEO020291
K12O01C HC2012 07 19.46227 21 37 45.11 -21 04 33.7 19.3 RoEO020291
K12O01C HC2012 07 19.46402 21 37 45.02 -21 04 34.7 19.3 RoEO020291
K12O01C QC2012 07 19.62491 21 37 35.25 -21 06 10.8 20.4 VrEO020E12
K12O01C QC2012 07 19.63022 21 37 34.93 -21 06 13.8 19.9 VrEO020E12
K12O01C |C2012 07 20.16273 21 37 01.42 -21 11 55.1 20.2 VuEO020807
K12O01C |C2012 07 20.16565 21 37 01.23 -21 11 57.3 20.2 VuEO020807
K12O01C |C2012 07 20.16856 21 37 01.03 -21 11 59.2 20.1 VuEO020807
K12O01C |C2012 07 20.17145 21 37 00.83 -21 12 01.0 20.1 VuEO020807
K12O01C |C2012 07 20.17434 21 37 00.64 -21 12 02.8 20.3 VuEO020807
K12O01C KC2012 07 20.28280 21 36 53.62 -21 13 20.5 19.5 RuEO020H36
K12O01C KC2012 07 20.29040 21 36 53.09 -21 13 25.5 19.6 RuEO020H36
K12O01C KC2012 07 20.29727 21 36 52.64 -21 13 29.7 19.2 RuEO020H36
K12O01C QC2012 07 20.77578 21 36 21.55 -21 18 26.1 19.7 VrEO020E12
K12O01C QC2012 07 20.78084 21 36 21.19 -21 18 30.6 19.8 VrEO020E12
K12O01C KC2012 07 21.25422421 35 51.15 -21 23 40.4 20.0 VtEO020H21
K12O01C KC2012 07 21.25731121 35 50.90 -21 23 42.9 20.0 VtEO020H21
K12O01C KC2012 07 21.25969 21 35 50.88 -21 23 45.1 19.1 RuEO020H36
K12O01C KC2012 07 21.26040121 35 50.72 -21 23 43.9 20.0 VtEO020H21
K12O01C KC2012 07 21.26348021 35 50.51 -21 23 46.2 20.1 VtEO020H21
K12O01C KC2012 07 21.26432 21 35 50.46 -21 23 47.2 19.5 RuEO020H36
K12O01C KC2012 07 21.26898 21 35 50.09 -21 23 49.5 19.8 RuEO020H36
K12O01C QC2012 07 21.54219 21 35 32.60 -21 26 34.6 19.5 VrEO020E12
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.
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 J. D. Ahern,
E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2012 OC1 Earth MOID = 0.3101 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 49.06182 (2000.0) P Q
n 0.21261314 Peri. 110.88291 -0.80955463 +0.57048834
a 2.7801996 Node 104.14875 -0.57757362 -0.73184228
e 0.5403377 Incl. 8.20795 -0.10502386 -0.37275989
P 4.64 H 17.5 G 0.15 U 8
Residuals in seconds of arc
120718 E12 0.4+ 0.5- 120719 H21 0.6- 0.7- 120720 H36 0.1+ 0.3+
120718 E12 0.5- 0.4+ 120719 H21 0.2- 0.0 120720 H36 0.2- 0.2+
120718 E12 0.1+ 0.1+ 120719 H21 0.6- 0.2- 120720 H36 0.1- 0.4+
120718 E12 0.2+ 0.1+ 120719 291 0.3- 0.2- 120720 E12 0.1+ 0.7+
120718 E12 0.0 0.2- 120719 291 0.2- 0.2+ 120720 E12 0.2- 0.7-
120718 E12 0.2- 0.1- 120719 291 0.1+ 0.3+ 120721 H21 0.2+ 0.2+
120719 204 0.8+ 0.4+ 120719 E12 0.0 0.1- 120721 H21 0.4- 0.4-
120719 204 0.3+ 0.3- 120719 E12 0.4+ 0.3+ 120721 H36 0.7+ 1.2-
120719 807 0.1- 0.2+ 120720 807 0.0 0.1+ 120721 H21 0.0 0.6+
120719 807 0.1- 0.1- 120720 807 0.1+ 0.2- 120721 H21 0.0 0.3+
120719 807 0.0 0.1+ 120720 807 0.0 0.2- 120721 H36 0.8- 0.3-
120719 807 0.1- 0.1+ 120720 807 0.1- 0.1- 120721 H36 1.5- 0.4+
120719 H21 0.0 0.2+ 120720 807 0.1- 0.1- 120721 E12 0.4+ 0.0
Ephemeris:
2012 OC1 a,e,i = 2.78, 0.54, 8 q = 1.2780
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 06 21 21 54 40.9 -16 25 17 1.0782 1.8548 124.6 26.8 20.2
...
2012 07 06 21 49 22.1 -18 41 04 1.0582 1.9539 140.7 19.3 20.1
...
2012 07 14 21 43 06.8 -20 05 34 1.0617 2.0069 149.9 14.7 20.0
...
2012 07 20 21 37 11.5 -21 10 12 1.0726 2.0466 156.9 11.2 19.9
2012 07 21 21 36 07.5 -21 20 51 1.0751 2.0532 158.1 10.6 19.9
2012 07 22 21 35 02.4 -21 31 26 1.0780 2.0598 159.3 10.1 19.9
...
2012 07 28 21 28 13.7 -22 32 45 1.0998 2.0994 165.9 6.7 19.8
...
2012 08 05 21 18 49.5 -23 45 48 1.1427 2.1519 172.0 3.7 19.8
...
2012 08 20 21 02 49.5 -25 24 27 1.2661 2.2493 161.7 8.1 20.3
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-O20
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