MPEC 2012-Q07 : 2012 PD20
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M.P.E.C. 2012-Q07 Issued 2012 Aug. 16, 18:44 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 PD20
Observations:
K12P20D*QC2012 08 15.52757220 09 53.19 -34 25 49.6 19.2 VrEQ007E12
K12P20D QC2012 08 15.53646920 10 09.40 -34 26 55.8 19.0 VrEQ007E12
K12P20D QC2012 08 15.54547620 10 25.90 -34 28 02.9 18.7 VrEQ007E12
K12P20D QC2012 08 15.55451820 10 42.43 -34 29 09.6 18.5 VrEQ007E12
K12P20D QC2012 08 15.60409920 12 14.14 -34 35 05.8 18.7 VrEQ007E12
K12P20D QC2012 08 15.60640920 12 18.45 -34 35 21.9 18.7 VrEQ007E12
K12P20D QC2012 08 15.67622320 14 30.53 -34 43 14.1 18.7 VrEQ007E12
K12P20D QC2012 08 15.67845020 14 34.84 -34 43 28.4 18.7 VrEQ007E12
K12P20D QC2012 08 15.74431320 16 43.90 -34 50 29.7 18.8 VrEQ007E12
K12P20D QC2012 08 15.74713020 16 49.54 -34 50 47.5 18.9 VrEQ007E12
K12P20D KC2012 08 15.77672 20 18 29.56 -34 56 31.5 18.1 RuEQ007194
K12P20D KC2012 08 15.77866 20 18 33.28 -34 56 46.8 18.7 RuEQ007194
K12P20D KC2012 08 15.78060 20 18 37.02 -34 57 02.5 18.5 RuEQ007194
K12P20D KC2012 08 15.78305 20 18 41.75 -34 57 21.2 18.3 RuEQ007194
K12P20D KC2012 08 15.78481 20 18 45.14 -34 57 35.7 18.6 RuEQ007194
K12P20D C2012 08 16.45938 20 42 31.11 -36 10 23.4 18.2 RoEQ007474
K12P20D C2012 08 16.46019 20 42 32.80 -36 10 28.4 18.3 RoEQ007474
K12P20D C2012 08 16.46123 20 42 34.99 -36 10 34.6 18.0 RoEQ007474
K12P20D C2012 08 16.46181 20 42 36.24 -36 10 38.4 18.2 RoEQ007474
Observer details:
194 Tivoli. Observers G. Lehmann, A. Knoefel. 0.4-m f/8 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.
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.
Orbital elements:
2012 PD20 Earth MOID = 0.0243 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 15.81644 (2000.0) P Q
n 0.39162631 Peri. 191.35892 +0.84796771 +0.52825710
a 1.8502119 Node 136.66182 -0.48120477 +0.80166515
e 0.4408984 Incl. 3.63686 -0.22224476 +0.27978103
P 2.52 H 25.4 G 0.15 U 6
Residuals in seconds of arc
120815 E12 0.4+ 0.6- 120815 E12 0.3+ 0.2+ 120815 194 0.1+ 0.5-
120815 E12 0.2- 0.2+ 120815 E12 0.3- 0.0 120816 474 0.1- 0.2+
120815 E12 0.0 0.2+ 120815 E12 0.1- 0.1- 120816 474 0.2- 0.1+
120815 E12 0.6- 0.4+ 120815 194 0.0 0.4- 120816 474 0.0 0.2+
120815 E12 0.3+ 0.0 120815 194 0.2- 0.3- 120816 474 0.4+ 0.1-
120815 E12 0.3+ 0.1+ 120815 194 0.1- 0.6-
120815 E12 0.0 0.1- 120815 194 0.1+ 0.0
Ephemeris:
2012 PD20 a,e,i = 1.85, 0.44, 4 q = 1.0345
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 07 17 16 53 58.8 -07 02 42 0.1160 1.1028 136.1 39.7 22.5
...
2012 08 01 17 14 09.8 -12 11 34 0.06546 1.0572 128.8 48.5 21.4
...
2012 08 09 18 01 56.8 -20 37 38 0.04081 1.0424 133.7 44.6 20.3
...
2012 08 15 19 53 14.4 -33 16 18 0.02719 1.0363 149.2 30.0 18.9
2012 08 16 20 25 53.2 -35 22 12 0.02594 1.0357 152.3 27.0 18.8
2012 08 17 21 02 58.7 -36 58 32 0.02512 1.0352 154.5 24.9 18.6
...
2012 08 23 00 34 36.0 -31 21 04 0.03010 1.0348 140.9 38.0 19.4
...
2012 08 31 02 14 47.2 -18 26 57 0.05160 1.0410 126.6 51.1 20.9
...
2012 09 15 02 53 09.1 -10 01 21 0.1004 1.0725 129.6 46.3 22.3
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-Q07
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