MPEC 2012-P22 : 2012 PS4
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M.P.E.C. 2012-P22 Issued 2012 Aug. 10, 16:41 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 PS4
Observations:
K12P04S*QC2012 08 07.69817 23 41 59.33 -32 55 39.4 18.4 VrEP022E12
K12P04S QC2012 08 07.70977 23 41 51.87 -32 55 28.4 18.2 VrEP022E12
K12P04S QC2012 08 07.72124 23 41 44.46 -32 55 17.4 18.1 VrEP022E12
K12P04S QC2012 08 07.73264 23 41 37.17 -32 55 06.1 18.1 VrEP022E12
K12P04S QC2012 08 07.83024 23 40 35.24 -32 53 24.6 rEP022E12
K12P04S QC2012 08 07.83299 23 40 33.56 -32 53 21.4 rEP022E12
K12P04S KC2012 08 08.07135 23 38 16.96 -32 50 38.4 18.5 VuEP022954
K12P04S KC2012 08 08.08061 23 38 11.22 -32 50 30.2 18.4 VuEP022954
K12P04S KC2012 08 08.08899 23 38 06.09 -32 50 22.8 18.3 VuEP022954
K12P04S IC2012 08 08.09775 23 38 00.70 -32 50 14.6 18.1 VuEP022954
K12P04S `C2012 08 08.67720923 32 30.35 -32 39 44.0 18.1 RuEP022D90
K12P04S `C2012 08 08.68269923 32 27.18 -32 39 38.5 17.6 RuEP022D90
K12P04S `C2012 08 08.68823523 32 23.99 -32 39 33.1 18.0 RuEP022D90
K12P04S KC2012 08 09.24408 23 27 27.77 -32 30 08.7 18.2 RuEP022821
K12P04S KC2012 08 09.24530 23 27 27.11 -32 30 07.5 18.2 RuEP022821
K12P04S KC2012 08 09.24766 23 27 25.82 -32 30 05.1 18.2 RuEP022821
K12P04S |C2012 08 09.26873 23 27 14.86 -32 29 44.8 18.4 VuEP022807
K12P04S |C2012 08 09.27161 23 27 13.29 -32 29 42.0 18.9 VuEP022807
K12P04S |C2012 08 09.27522 23 27 11.34 -32 29 38.3 18.2 VuEP022807
K12P04S |C2012 08 09.27914 23 27 09.19 -32 29 34.2 18.2 VuEP022807
K12P04S QC2012 08 09.58866 23 24 34.26 -32 24 07.3 18.2 VrEP022E12
K12P04S C2012 08 09.59708 23 24 29.82 -32 23 55.1 oEP022E23
K12P04S C2012 08 09.60116 23 24 27.54 -32 23 52.7 oEP022E23
K12P04S C2012 08 09.60531 23 24 25.54 -32 23 48.6 oEP022E23
K12P04S C2012 08 09.63058 23 24 12.24 -32 23 24.1 oEP022E23
K12P04S C2012 08 09.63441 23 24 10.17 -32 23 19.5 oEP022E23
K12P04S C2012 08 09.63851 23 24 08.13 -32 23 15.8 oEP022E23
K12P04S |C2012 08 10.22935 23 19 24.92 -32 12 56.3 18.8 VuEP022807
K12P04S |C2012 08 10.23280 23 19 23.23 -32 12 52.9 18.9 VuEP022807
K12P04S |C2012 08 10.23624 23 19 21.53 -32 12 49.3 19.2 VuEP022807
K12P04S |C2012 08 10.23973 23 19 19.83 -32 12 45.8 18.9 VuEP022807
K12P04S KC2012 08 10.40011 23 18 03.72 -32 10 49.1 18.0 RuEP022H36
K12P04S KC2012 08 10.40341 23 18 02.12 -32 10 45.2 18.0 RuEP022H36
K12P04S KC2012 08 10.40629 23 18 00.76 -32 10 42.1 17.8 RuEP022H36
K12P04S QC2012 08 10.53623 23 17 05.97 -32 07 22.0 18.2 VrEP022E12
K12P04S QC2012 08 10.53899 23 17 04.69 -32 07 19.4 18.4 VrEP022E12
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
821 Cordoba-Bosque Alegre. Observers C. Colazo, P. Guzzo. Measurer C. Colazo.
1.54-m f/4.8 reflector + CCD.
954 Teide Observatory. Observer N. D. Diaz. 0.26-m f/11.6 reflector + CCD.
D90 RAS Observatory, Moorook. Observer K. Hills. 0.41-m f/9 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.
E23 Arcadia. Observer A. Hidas. 0.35-m Schmidt-Cassegrain + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2012 PS4 PHA, Earth MOID = 0.0459 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 47.41135 (2000.0) P Q
n 0.41969420 Peri. 144.12303 -0.63571282 +0.76887609
a 1.7667729 Node 86.30149 -0.72327710 -0.56226955
e 0.5930664 Incl. 3.93878 -0.26970250 -0.30443803
P 2.35 H 21.1 G 0.15 U 7
Residuals in seconds of arc
120807 E12 0.0 0.1- 120808 D90 0.2- 0.0 120809 E23 0.2- 0.0
120807 E12 0.2+ 0.0 120809 821 0.1+ 0.1- 120809 E23 1.1- 0.8+
120807 E12 0.1- 0.0 120809 821 0.1+ 0.1- 120809 E23 0.1+ 0.3+
120807 E12 0.2+ 0.1+ 120809 821 0.0 0.1- 120810 807 0.2+ 0.1-
120807 E12 0.4- 0.2- 120809 807 0.2+ 0.1+ 120810 807 0.2+ 0.1-
120807 E12 0.1+ 0.0 120809 807 0.1+ 0.0 120810 807 0.0 0.0
120808 954 0.1+ 0.0 120809 807 0.2+ 0.0 120810 807 0.1+ 0.0
120808 954 0.4- 0.1+ 120809 807 0.1- 0.1+ 120810 H36 0.3+ 0.2-
120808 954 0.1+ 0.1+ 120809 E12 0.1- 0.2- 120810 H36 0.0 0.1+
120808 954 0.1+ 0.4+ 120809 E23 1.4+ 2.0+ 120810 H36 0.2+ 0.1-
120808 D90 0.2- 0.2- 120809 E23 0.5- 0.4+ 120810 E12 0.2- 0.1-
120808 D90 0.2- 0.0 120809 E23 1.5+ 0.5+ 120810 E12 0.1- 0.1-
Ephemeris:
2012 PS4 a,e,i = 1.77, 0.59, 4 q = 0.7190
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 07 11 07 47 52.3 +12 50 39 0.1530 0.8670 11.1 166.9 31.0
...
2012 07 26 04 13 08.7 -20 26 31 0.06704 0.9979 72.8 103.5 19.0
...
2012 08 03 00 46 40.5 -33 27 59 0.09497 1.0729 125.7 50.2 18.0
...
2012 08 09 23 29 35.3 -32 34 20 0.1376 1.1299 145.5 30.5 18.4
2012 08 10 23 21 12.0 -32 16 59 0.1455 1.1395 147.9 28.2 18.4
2012 08 11 23 13 39.4 -31 59 16 0.1535 1.1490 150.0 26.2 18.5
...
2012 08 17 22 41 00.1 -30 16 07 0.2051 1.2061 159.0 17.5 19.0
...
2012 08 25 22 16 47.5 -28 18 08 0.2812 1.2817 162.4 13.8 19.7
...
2012 09 09 21 57 35.0 -25 19 52 0.4455 1.4198 153.4 18.5 21.1
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-P22
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