MPEC 2005-G03 : 2002 YN2
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M.P.E.C. 2005-G03 Issued 2005 Apr. 1, 11:47 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 YN2
Revision to MPEC 2002-Y46
Additional Observations:
K02Y02N 1C2005 03 31.40481 05 53 51.67 -59 59 21.5 21.0 R EG003413
K02Y02N 1C2005 03 31.41591 05 53 50.49 -59 59 05.6 21.3 R EG003413
K02Y02N 1C2005 04 01.41729 05 52 12.67 -59 35 37.8 20.5 R EG003413
K02Y02N 1C2005 04 01.43047 05 52 11.36 -59 35 18.9 20.6 R EG003413
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
050331 413 33.1+ 40.9+ 050401 413 33.8+ 40.6+ MPO 43482 +0.027 day
Orbital elements:
2002 YN2
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 240.30233 (2000.0) P Q
n 0.71145930 Peri. 38.43518 +0.64888441 +0.24800143
a 1.2427087 Node 290.73916 -0.73323871 +0.45634410
e 0.5866938 Incl. 50.28004 +0.20324865 +0.85454394
P 1.39 H 18.2 G 0.15 U 4
Residuals in seconds of arc
021227 704 0.0 0.1+ 021229 446 0.0 0.3- 030109 084 1.9+ 0.5+
021227 704 0.4- 0.3- 021229 649 0.5- 0.4- 030112 670 0.9+ 1.2-
021227 704 0.2+ 0.3- 021229 649 0.1- 0.0 030112 670 1.0+ 0.8+
021227 704 0.3- 0.8- 021229 649 0.4- 0.1+ 030113 704 0.4- 0.1-
021227 704 0.7- 1.0- 021229 587 0.4- 0.7+ 030113 704 0.2- 0.1+
021228 704 0.0 0.2+ 021229 587 0.3+ 0.1+ 030113 704 0.5- 0.2-
021228 704 0.4- 0.7+ 021229 587 0.6+ 0.9- 030113 704 0.3+ 0.2+
021228 704 0.1+ 0.3+ 030101 446 0.2+ 0.6- 030113 704 0.2- 0.3+
021228 704 0.3+ 0.3+ 030101 446 0.7- 0.3- 030129 413 0.3- 0.8-
021228 704 0.1- 0.8+ 030101 446 0.6- 0.2+ 030129 413 0.4+ 0.4-
021228 704 0.5- 0.7+ 030102 670 1.2- 0.8+ 030129 413 0.2- 0.6-
021228 704 0.1+ 1.2+ 030102 670 0.4+ 0.8- 030130 715 0.2- 0.1-
021228 704 0.8- 0.2+ 030104 941 0.3- 0.2+ 030130 715 0.1- 0.0
021228 704 0.0 1.4+ 030104 941 0.4- 0.1+ 030130 715 0.2- 0.1+
021228 704 1.1- 0.6+ 030104 941 0.7- 0.1- 030225 246 0.5+ 0.1+
021228 926 0.4- 0.7+ 030104 941 0.1+ 0.2+ 030225 246 0.9+ 0.4-
021228 926 0.1+ 0.3+ 030104 941 0.3+ 0.0 030225 246 0.9+ 0.1-
021228 926 0.7+ 1.0+ 030105 J95 0.1+ 0.3- 030225 246 0.2- 0.5+
021228 J95 0.6+ 0.3+ 030105 J95 0.3+ 0.2- 030225 246 0.7+ 0.5+
021228 J95 0.2+ 0.0 030105 J95 0.2+ 0.0 050331 413 0.1- 0.1+
021228 J95 0.4- 0.3- 030108 644 0.1- 0.2+ 050331 413 0.1- 0.1+
021229 446 0.3+ 0.1- 030108 644 0.0 0.2- 050401 413 0.1- 0.1+
021229 446 0.1- 0.2- 030108 644 0.1+ 0.3- 050401 413 0.2- 0.1+
Ephemeris:
2002 YN2 a,e,i = 1.24, 0.59, 50 q = 0.5136
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 03 31 05 54.56 -60 08.8 1.121 1.478 88.2 42.5 20.9
2005 04 10 05 42.29 -56 13.9 1.089 1.403 84.2 45.3 20.8
2005 04 20 05 37.71 -52 24.6 1.049 1.321 80.1 48.5 20.7
2005 04 30 05 38.12 -48 44.6 0.996 1.234 76.0 52.4 20.6
2005 05 10 05 41.82 -45 07.7 0.929 1.139 71.8 57.4 20.4
2005 05 20 05 47.55 -41 17.4 0.845 1.038 67.3 64.0 20.2
2005 05 30 05 54.21 -36 34.0 0.743 0.931 61.8 73.6 20.0
Timothy B. Spahr (C) Copyright 2005 MPC M.P.E.C. 2005-G03
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