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M.P.E.C. 2006-W61 Issued 2006 Nov. 22, 16:23 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2006 WD4
Observations:
K06W04D* C2006 11 20.32650 03 32 32.53 +28 02 22.0 20.3 V EW061G96
K06W04D C2006 11 20.33549 03 32 30.73 +28 02 14.4 20.6 V EW061G96
K06W04D C2006 11 20.34451 03 32 28.96 +28 02 05.8 20.2 V EW061G96
K06W04D C2006 11 20.35351 03 32 27.24 +28 01 57.2 20.4 V EW061G96
K06W04D C2006 11 20.93136 03 30 34.57 +27 52 53.5 EW061J95
K06W04D C2006 11 20.93685 03 30 33.44 +27 52 48.0 EW061J95
K06W04D C2006 11 20.94236 03 30 32.39 +27 52 43.2 20.3 R EW061J95
K06W04D C2006 11 21.14179 03 29 53.44 +27 49 34.4 20.1 R EW061854
K06W04D C2006 11 21.15137 03 29 51.67 +27 49 26.5 20.1 R EW061854
K06W04D C2006 11 21.21331 03 29 39.37 +27 48 26.2 20.4 V EW061G96
K06W04D C2006 11 21.21646 03 29 38.76 +27 48 23.3 20.4 V EW061G96
K06W04D C2006 11 21.21949 03 29 38.14 +27 48 20.2 20.2 V EW061G96
K06W04D C2006 11 21.22255 03 29 37.53 +27 48 17.4 20.3 V EW061G96
K06W04D C2006 11 21.22407 03 29 37.12 +27 48 16.3 21.2 R EW061734
K06W04D C2006 11 21.23053 03 29 35.93 +27 48 09.1 21.1 R EW061734
K06W04D C2006 11 21.23566 03 29 34.90 +27 48 03.2 20.9 R EW061734
K06W04D C2006 11 21.31091 03 29 19.95 +27 46 53.0 EW061711
K06W04D C2006 11 21.31828 03 29 18.51 +27 46 45.4 20.5 R EW061711
K06W04D C2006 11 21.32565 03 29 17.03 +27 46 39.0 20.5 R EW061711
K06W04D C2006 11 22.13101 03 26 38.68 +27 33 30.7 20.7 R EW061734
K06W04D C2006 11 22.13686 03 26 37.58 +27 33 23.7 20.9 R EW061734
K06W04D C2006 11 22.14347 03 26 36.15 +27 33 18.4 20.8 V EW061291
K06W04D C2006 11 22.14752 03 26 35.40 +27 33 15.2 21.3 V EW061291
K06W04D C2006 11 22.14857 03 26 35.18 +27 33 13.6 20.7 R EW061734
K06W04D C2006 11 22.15251 03 26 34.42 +27 33 09.9 21.0 V EW061291
K06W04D C2006 11 22.15442 03 26 34.11 +27 33 07.4 21.1 R EW061734
K06W04D C2006 11 22.21440 03 26 22.12 +27 32 09.0 19.7 V EW061G96
K06W04D C2006 11 22.21808 03 26 21.37 +27 32 05.4 20.2 V EW061G96
K06W04D C2006 11 22.22181 03 26 20.61 +27 32 01.7 20.2 V EW061G96
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD
+ prime-focus corrector.
734 Farpoint Observatory. Observer G. Hug. 0.7-m reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2006 WD4 Earth MOID = 0.1501 AU
Epoch 2006 Nov. 21.0 TT = JDT 2454060.5 MPC
M 359.54329 (2000.0) P Q
n 0.00292043 Peri. 295.89343 +0.28564328 -0.89364119
a 48.4735189 Node 227.21989 -0.61964101 -0.44775501
e 0.9887729 Incl. 151.86158 -0.73106288 +0.03034591
P 337 H 17.0 G 0.15
From 29 observations 2006 Nov. 20-22.
Ephemeris:
2006 WD4 a,e,i = 48.47, 0.99, 152 q = 0.5442
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 11 21 03 30.35 +27 51.9 1.749 2.729 171.3 3.1 20.7
2006 12 01 02 56.90 +24 45.0 1.654 2.599 159.0 7.8 20.7
2006 12 11 02 24.25 +20 53.3 1.618 2.465 141.4 14.4 20.8
2006 12 21 01 55.50 +16 45.4 1.634 2.329 123.7 20.6 20.9
2006 12 31 01 32.29 +12 50.5 1.691 2.190 107.0 25.4 21.0
2007 01 10 01 14.76 +09 26.2 1.770 2.048 91.6 28.7 21.1
2007 01 20 01 02.22 +06 36.7 1.857 1.903 77.4 30.3 21.0
2007 01 30 00 53.71 +04 18.6 1.937 1.754 64.4 30.4 21.0
Timothy B. Spahr (C) Copyright 2006 MPC M.P.E.C. 2006-W61
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