MPEC 2005-F56 : 2002 YZ3
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M.P.E.C. 2005-F56 Issued 2005 Mar. 31, 21:20 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 YZ3
Revision to MPEC 2002-Y70
Additional Observations:
K02Y03Z 1C2005 03 30.66659 13 57 01.13 -35 29 08.8 21.2 R EF056413
K02Y03Z 1C2005 03 31.57529 13 55 13.66 -35 40 54.5 20.9 R EF056413
K02Y03Z 1C2005 03 31.58445 13 55 12.53 -35 41 02.2 20.3 R EF056413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
050330 413 13.8- 9.8+ 050331 413 14.4- 9.5+ MPO 43482 +0.0083 day
Orbital elements:
2002 YZ3 PHA 0.008
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 294.21928 (2000.0) P Q
n 0.36353451 Peri. 358.69126 +0.98152354 +0.18236005
a 1.9443403 Node 350.20831 -0.17231222 +0.71078475
e 0.7956107 Incl. 19.91681 -0.08318681 +0.67935988
P 2.71 H 18.0 G 0.15 U 3
Residuals in seconds of arc
021228 704 0.7- 0.4+ 021231 704 0.3- 0.3+ 021231 704 0.0 0.7+
021228 704 0.9+ 0.8- 021231 704 0.0 0.1- 030102 670 1.7+ 0.9-
021228 704 0.3- 0.2+ 021231 704 0.3+ 0.6- 030102 670 0.6+ 0.7+
021228 704 0.4- 0.5- 021231 704 0.2- 0.0 030113 649 0.6- 0.1+
021228 704 0.7+ 0.1+ 021231 704 0.1- 0.3+ 030113 649 0.3+ 0.2-
021228 704 0.1+ 0.4+ 021231 704 0.1+ 0.4- 030113 649 0.0 0.2-
021228 704 0.2- 0.2- 021231 704 0.1- 0.2- 030123 704 0.3- 0.8-
021228 704 0.8+ 0.4- 021231 704 0.1+ 0.1+ 030123 704 0.1- 0.1-
021228 704 0.6- 0.0 021231 704 0.1+ 0.4- 030123 704 0.2+ 0.0
021228 704 0.4- 0.5+ 021231 704 0.1- 0.1+ 030123 704 0.5- 0.3+
021228 704 0.7+ 0.3- 021231 704 0.2+ 0.4+ 030309 715 1.0+ 0.1+
021228 704 1.4- 0.7+ 021231 926 0.8- 0.2+ 030309 715 1.3- 0.0
021230 926 0.2- 0.4+ 021231 926 0.0 0.8- 030309 715 1.0+ 0.6+
021230 926 0.4+ 0.1+ 021231 926 0.1+ 0.1+ 050330 413 0.4+ 0.2+
021230 926 0.0 0.3+ 021231 704 0.1+ 0.4- 050331 413 0.3- 0.2+
021231 704 0.0 0.1+ 021231 704 0.4- 0.0 050331 413 0.1- 0.4-
Ephemeris:
2002 YZ3 a,e,i = 1.94, 0.80, 20 q = 0.3974
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 03 31 13 56.37 -35 33.5 1.035 1.932 143.7 17.8 20.4
2005 04 10 13 31.81 -37 31.1 0.893 1.831 150.1 15.8 19.9
2005 04 20 12 57.03 -38 42.0 0.779 1.724 150.2 16.8 19.5
2005 04 30 12 13.92 -38 27.4 0.694 1.612 141.9 22.7 19.3
2005 05 10 11 28.19 -36 23.5 0.639 1.493 128.4 32.0 19.3
2005 05 20 10 46.60 -32 48.0 0.607 1.367 112.8 43.0 19.3
2005 05 30 10 12.30 -28 25.1 0.590 1.234 97.0 54.6 19.3
2005 06 09 09 44.30 -23 47.1 0.578 1.092 81.6 66.9 19.4
2005 06 19 09 18.98 -18 52.9 0.561 0.942 66.2 80.8 19.4
Gareth V. Williams (C) Copyright 2005 MPC M.P.E.C. 2005-F56
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