MPEC 2007-R81 : 2007 RW17
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M.P.E.C. 2007-R81 Issued 2007 Sept. 14, 18:12 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2007 RW17
Observations:
K07R17W* C2007 09 13.51940 22 10 44.11 -32 29 57.8 18.6 V ER081E12
K07R17W C2007 09 13.53306 22 10 47.24 -32 29 45.4 19.1 V ER081E12
K07R17W C2007 09 13.53981 22 10 48.75 -32 29 39.4 18.7 V ER081E12
K07R17W C2007 09 14.03821 22 12 53.27 -32 22 10.7 19.3 R ER081I77
K07R17W C2007 09 14.04287 22 12 54.44 -32 22 06.1 18.8 R ER081I77
K07R17W C2007 09 14.04753 22 12 55.48 -32 22 01.5 18.9 R ER081I77
K07R17W C2007 09 14.22095 22 13 38.74 -32 19 50.6 17.6 R ER081651
K07R17W C2007 09 14.22423 22 13 39.49 -32 19 47.5 17.8 R ER081651
K07R17W C2007 09 14.22642 22 13 39.95 -32 19 44.6 17.7 R ER081651
K07R17W C2007 09 14.22674 22 13 39.72 -32 19 45.0 18.8 R ER081711
K07R17W C2007 09 14.23174 22 13 40.84 -32 19 39.3 18.8 R ER081711
K07R17W C2007 09 14.23676 22 13 41.94 -32 19 35.1 18.9 R ER081711
K07R17W C2007 09 14.43632 22 14 33.50 -32 15 37.3 19.7 V ER081E12
K07R17W C2007 09 14.44733 22 14 36.02 -32 15 26.8 19.6 V ER081E12
K07R17W C2007 09 14.45844 22 14 38.61 -32 15 16.5 19.1 V ER081E12
K07R17W C2007 09 14.54074 22 14 56.36 -32 13 46.3 18.9 R ER081474
K07R17W C2007 09 14.54444 22 14 57.27 -32 13 42.3 18.5 R ER081474
K07R17W C2007 09 14.54780 22 14 58.05 -32 13 39.0 18.7 R ER081474
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer 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.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD
+ prime-focus corrector.
E12 Siding Spring Survey. Observer G. J. Garradd. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.5-m Uppsala Schmidt + CCD.
I77 CEAMIG-REA Observatory, Belo Horizonte. Observers C. Jacques, E. Pimentel.
Measurer C. Jacques. 0.30-m f/3.0 Schmidt-Cassegrain + CCD.
Orbital elements:
2007 RW17 Earth MOID = 0.1635 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 11.95986 (2000.0) P Q
n 0.27879984 Peri. 249.10868 +0.97280761 +0.22476281
a 2.3206396 Node 97.86927 -0.18594089 +0.90182354
e 0.4998404 Incl. 3.23616 -0.13809904 +0.36904740
P 3.54 H 21.2 G 0.15 U 8
Residuals in seconds of arc
070913 E12 0.1- 0.1- 070914 651 0.1+ 0.3- 070914 E12 0.4+ 0.6-
070913 E12 0.2+ 0.1+ 070914 651 0.1+ 0.3- 070914 E12 0.1+ 0.0
070913 E12 0.1- 0.0 070914 651 0.4- 0.6+ 070914 E12 0.5+ 0.2+
070914 I77 1.0- 0.5- 070914 711 0.4+ 0.2- 070914 474 0.7- 0.0
070914 I77 0.4+ 0.1- 070914 711 0.2+ 0.8+ 070914 474 0.0 0.2+
070914 I77 0.3+ 0.2+ 070914 711 0.3- 0.2+ 070914 474 0.1- 0.0
Ephemeris:
2007 RW17 a,e,i = 2.32, 0.50, 3 q = 1.1607
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 09 07 21 44.30 -33 38.7 0.180 1.163 147.5 27.8 19.0
2007 09 17 22 25.14 -31 29.9 0.182 1.161 146.5 28.6 19.1
2007 09 27 23 04.99 -27 19.5 0.194 1.170 147.0 27.8 19.2
2007 10 07 23 39.27 -21 57.1 0.217 1.189 147.9 26.5 19.5
2007 10 17 00 07.04 -16 17.6 0.252 1.218 148.1 25.6 19.8
2007 10 27 00 29.63 -10 58.0 0.299 1.255 146.9 25.6 20.2
2007 11 06 00 48.66 -06 14.7 0.359 1.300 144.2 26.5 20.7
2007 11 16 01 05.67 -02 08.5 0.432 1.350 140.4 27.8 21.3
2007 11 26 01 21.77 +01 25.0 0.518 1.406 135.8 29.3 21.8
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-R81
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