MPEC 2012-S04 : 2012 RF15
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M.P.E.C. 2012-S04 Issued 2012 Sept. 16, 16:15 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 RF15
Observations:
K12R15F*QC2012 09 13.53078 20 24 57.57 -35 31 39.5 19.7 VrES004E12
K12R15F QC2012 09 13.54147 20 24 59.63 -35 31 20.3 19.0 VrES004E12
K12R15F QC2012 09 13.55208 20 25 01.60 -35 31 00.9 19.3 VrES004E12
K12R15F QC2012 09 13.56271 20 25 03.56 -35 30 41.6 19.2 VrES004E12
K12R15F QC2012 09 13.57806 20 25 06.47 -35 30 14.5 19.7 VrES004E12
K12R15F QC2012 09 13.58052 20 25 06.93 -35 30 10.0 19.4 VrES004E12
K12R15F QC2012 09 13.64621 20 25 19.51 -35 28 10.1 19.9 VrES004E12
K12R15F QC2012 09 13.64932 20 25 20.06 -35 28 03.0 19.3 VrES004E12
K12R15F |C2012 09 13.97597 20 26 27.47 -35 18 37.0 19.1 VuES004807
K12R15F |C2012 09 13.97757 20 26 27.78 -35 18 34.3 19.2 VuES004807
K12R15F |C2012 09 13.97940 20 26 28.12 -35 18 31.2 19.2 VuES004807
K12R15F |C2012 09 13.98099 20 26 28.41 -35 18 28.5 19.1 VuES004807
K12R15F |C2012 09 13.98292 20 26 28.77 -35 18 25.2 19.3 VuES004807
K12R15F QC2012 09 14.41283 20 27 53.20 -35 05 45.3 19.1 VrES004E12
K12R15F QC2012 09 14.41635 20 27 53.85 -35 05 39.8 19.4 VrES004E12
K12R15F `C2012 09 14.41752520 27 54.31 -35 05 35.6 19.1 RuES004D90
K12R15F `C2012 09 14.42672520 27 56.02 -35 05 19.8 19.2 RuES004D90
K12R15F `C2012 09 14.43589820 27 57.73 -35 05 03.6 18.9 RuES004D90
K12R15F |C2012 09 14.97696 20 29 44.97 -34 49 01.4 18.8 VuES004807
K12R15F |C2012 09 14.97981 20 29 45.46 -34 48 56.1 19.4 VuES004807
K12R15F |C2012 09 14.98265 20 29 46.01 -34 48 51.1 19.4 VuES004807
K12R15F |C2012 09 14.98559 20 29 46.56 -34 48 46.0 19.3 VuES004807
K12R15F |C2012 09 14.98831 20 29 47.06 -34 48 41.3 19.3 VuES004807
K12R15F |C2012 09 15.97941 20 33 02.21 -34 18 59.1 19.0 VuES004807
K12R15F |C2012 09 15.98226 20 33 02.75 -34 18 54.3 18.6 VuES004807
K12R15F |C2012 09 15.98509 20 33 03.25 -34 18 49.2 18.7 VuES004807
K12R15F KC2012 09 16.48113 20 34 39.03 -34 03 43.1 19.4 RoES004474
K12R15F KC2012 09 16.48536 20 34 39.81 -34 03 35.1 19.3 RoES004474
K12R15F KC2012 09 16.50463 20 34 43.43 -34 02 59.3 19.2 RoES004474
K12R15F KC2012 09 16.50675 20 34 43.83 -34 02 55.4 19.4 RoES004474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7
reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + 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 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.
Orbital elements:
2012 RF15 Earth MOID = 0.2243 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 10.62869 (2000.0) P Q
n 0.34266112 Peri. 297.63536 +0.83722994 +0.54496358
a 2.0225200 Node 29.40910 -0.46348923 +0.75120811
e 0.3983671 Incl. 5.30437 -0.29021329 +0.37242593
P 2.88 H 19.7 G 0.15 U 8
Residuals in seconds of arc
120913 E12 0.5- 0.2- 120913 807 0.3- 0.2- 120914 807 0.3- 0.2-
120913 E12 0.2+ 0.2- 120913 807 0.4- 0.2- 120914 807 0.2- 0.2-
120913 E12 0.0 0.1+ 120913 807 0.4- 0.2- 120914 807 0.3- 0.2-
120913 E12 0.4- 0.2+ 120914 E12 0.1- 0.5+ 120915 807 0.4- 0.0
120913 E12 0.2- 0.4- 120914 E12 0.1- 0.1- 120915 807 0.3- 0.2-
120913 E12 0.3- 0.4- 120914 D90 0.2- 0.0 120915 807 0.7- 0.1-
120913 E12 0.1+ 0.3- 120914 D90 0.3- 0.3- 120916 474 0.2+ 0.1-
120913 E12 0.5- 1.1+ 120914 D90 0.3- 0.1- 120916 474 0.0 0.1+
120913 807 0.4- 0.1- 120914 807 0.0 0.6- 120916 474 0.1- 0.0
120913 807 0.3- 0.1- 120914 807 0.5- 0.2- 120916 474 0.1- 0.0
Ephemeris:
2012 RF15 a,e,i = 2.02, 0.40, 5 q = 1.2168
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 08 17 19 00 37.0 -45 14 37 0.2847 1.2235 132.7 37.5 18.9
...
2012 09 01 19 43 54.7 -40 57 22 0.2959 1.2170 128.9 40.2 19.1
...
2012 09 09 20 10 01.0 -37 39 14 0.3084 1.2208 127.8 40.7 19.2
...
2012 09 15 20 29 48.3 -34 48 21 0.3215 1.2269 127.2 40.8 19.3
2012 09 16 20 33 05.2 -34 18 23 0.3240 1.2282 127.1 40.8 19.3
2012 09 17 20 36 21.4 -33 48 04 0.3266 1.2296 127.0 40.8 19.3
...
2012 09 23 20 55 43.2 -30 40 09 0.3444 1.2394 126.4 40.6 19.5
...
2012 10 01 21 20 31.5 -26 21 05 0.3741 1.2564 125.6 40.4 19.7
...
2012 10 16 22 03 10.6 -18 25 07 0.4497 1.2995 123.3 39.9 20.1
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-S04
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