MPEC 2012-S22 : 2012 RW16
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M.P.E.C. 2012-S22 Issued 2012 Sept. 17, 18:20 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 RW16
Observations:
K12R16W* C2012 09 15.35162 00 41 16.00 -10 43 58.6 19.9 VrES022703
K12R16W C2012 09 15.36176 00 41 22.20 -10 41 48.4 19.2 VrES022703
K12R16W C2012 09 15.37191 00 41 28.32 -10 39 37.8 18.7 VrES022703
K12R16W C2012 09 15.38197 00 41 34.54 -10 37 30.8 19.7 VrES022703
K12R16W C2012 09 15.45243 00 42 17.71 -10 22 23.5 19.4 VrES022703
K12R16W C2012 09 15.45939 00 42 22.24 -10 20 55.2 19.0 VrES022703
K12R16W C2012 09 15.46642 00 42 26.46 -10 19 25.1 19.6 VrES022703
K12R16W C2012 09 15.47350 00 42 31.06 -10 17 52.2 20.1 VrES022703
K12R16W KC2012 09 15.94572 00 47 53.69 -08 37 16.9 vES022470
K12R16W KC2012 09 15.94619 00 47 53.96 -08 37 10.3 vES022470
K12R16W KC2012 09 15.94661 00 47 54.21 -08 37 05.8 19.4 RvES022470
K12R16W KC2012 09 15.98727 00 48 23.76 -08 27 52.4 19.2 RtES022J04
K12R16W KC2012 09 15.98944 00 48 25.09 -08 27 24.8 19.8 RtES022J04
K12R16W KC2012 09 15.99215 00 48 26.76 -08 26 50.0 19.3 RtES022J04
K12R16W |C2012 09 16.18066 00 50 28.61 -07 43 51.7 20.1 VuES022807
K12R16W |C2012 09 16.18762 00 50 32.84 -07 42 20.5 20.0 VuES022807
K12R16W |C2012 09 16.18993 00 50 34.28 -07 41 50.6 20.2 VuES022807
K12R16W KC2012 09 16.24975200 51 12.50 -07 32 00.1 19.1 VvES022H21
K12R16W KC2012 09 16.25673800 51 16.68 -07 30 30.4 19.3 VvES022H21
K12R16W C2012 09 16.40987 00 52 51.85 -06 57 20.1 19.1 RcES022651
K12R16W C2012 09 16.41061 00 52 52.26 -06 57 11.6 19.0 RcES022651
K12R16W C2012 09 16.41135 00 52 52.71 -06 57 01.3 19.1 RcES022651
K12R16W KC2012 09 16.60568 00 55 00.80 -06 12 03.4 20.7 RoES022474
K12R16W KC2012 09 16.60639 00 55 01.24 -06 11 54.3 20.4 RoES022474
K12R16W KC2012 09 16.60711 00 55 01.64 -06 11 44.8 19.7 RoES022474
K12R16W KC2012 09 16.60781 00 55 02.08 -06 11 35.8 20.2 RoES022474
K12R16W KC2012 09 17.29744 01 02 30.13 -03 47 12.8 20.1 RoES022291
K12R16W KC2012 09 17.29831 01 02 30.63 -03 47 01.7 20.0 RoES022291
K12R16W KC2012 09 17.29889 01 02 31.01 -03 46 54.4 oES022291
K12R16W KC2012 09 17.59891 01 05 36.31 -02 39 50.1 20.3 RoES022474
K12R16W KC2012 09 17.60156 01 05 37.85 -02 39 16.4 20.4 RoES022474
K12R16W KC2012 09 17.60422 01 05 39.37 -02 38 42.4 20.6 RoES022474
K12R16W KC2012 09 17.60687 01 05 40.96 -02 38 08.6 20.2 RoES022474
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
470 Ceccano. Observers G. Masi, F. Nocentini. Measurers G. Masi, U. Masi.
0.43-m f/6.8 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7
reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes, R. Sampson. 0.41-m f/11
Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers
D. Koschny, M. Busch, A. Knoefel, E. Schwab. 1.0-m f/4.4 reflector + CCD.
Orbital elements:
2012 RW16 Earth MOID = 0.0525 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 2.70282 (2000.0) P Q
n 0.25585471 Peri. 357.33806 +0.99936069 +0.03573648
a 2.4573882 Node 0.61691 -0.03072746 +0.87360664
e 0.5701229 Incl. 5.61688 -0.01827647 +0.48531880
P 3.85 H 25.2 G 0.15 U 7
Residuals in seconds of arc
120915 703 0.0 0.5- 120915 J04 0.1+ 0.2- 120916 474 0.0 0.1-
120915 703 0.2+ 0.2+ 120915 J04 0.1+ 0.3- 120916 474 0.2+ 0.2-
120915 703 1.0- 1.0+ 120915 J04 0.4+ 0.2- 120916 474 0.3- 0.0
120915 703 0.1+ 0.8- 120916 807 0.8- 1.3- 120916 474 0.0 0.0
120915 703 (2.3- 1.5+) 120916 807 0.1- 0.5+ 120917 291 0.1+ 0.2+
120915 703 0.8+ 0.1+ 120916 807 0.7+ 0.8+ 120917 291 0.0 0.2+
120915 703 1.5- 0.4- 120916 H21 0.0 0.2- 120917 291 0.6+ 0.1+
120915 703 1.1+ 1.2+ 120916 H21 0.6- 0.3- 120917 474 0.1- 0.2-
120915 470 0.4+ 0.3- 120916 651 0.1+ 0.8+ 120917 474 0.2- 0.2-
120915 470 0.2+ 0.3+ 120916 651 0.4- 0.2- 120917 474 0.6- 0.1-
120915 470 0.1+ 0.6- 120916 651 0.3- 0.5+ 120917 474 0.1+ 0.0
Ephemeris:
2012 RW16 a,e,i = 2.46, 0.57, 6 q = 1.0564
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 08 18 20 57 56.3 -46 54 58 0.1428 1.1314 144.4 31.4 22.6
...
2012 09 02 22 19 36.0 -41 23 34 0.08317 1.0789 146.0 31.5 21.3
...
2012 09 10 23 40 15.3 -27 36 33 0.06086 1.0630 156.5 22.2 20.3
...
2012 09 16 00 48 25.7 -08 23 47 0.05470 1.0573 161.0 18.0 19.9
2012 09 17 00 59 16.1 -04 49 22 0.05489 1.0568 159.9 19.1 20.0
2012 09 18 01 09 47.5 -01 17 03 0.05543 1.0565 158.2 20.6 20.1
...
2012 09 24 02 04 28.9 +16 53 49 0.06524 1.0579 146.2 31.9 20.7
...
2012 10 02 02 53 28.0 +30 42 26 0.08941 1.0682 137.2 39.5 21.7
...
2012 10 17 03 33 05.3 +39 49 36 0.1472 1.1115 138.7 36.3 22.7
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-S22
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