MPEC 2008-B19 : 2004 BG41 = 2008 AA31
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M.P.E.C. 2008-B19 Issued 2008 Jan. 19, 20:16 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
2004 BG41 = 2008 AA31
Revision to MPEC 2004-B36
Additional Observations:
K04B41G 5C2008 01 18.44138 11 32 33.02 +05 02 48.5 19.5 R EB019673
K04B41G 5C2008 01 18.44397 11 32 32.62 +05 02 35.4 EB019673
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer D. Mayes. 0.61-m
reflector + CCD.
Orbital elements:
2004 BG41 = 2008 AA31 Earth MOID = 0.0130 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 344.32449 (2000.0) P Q
n 0.24698171 Peri. 152.53238 -0.08189759 -0.99572783
a 2.5158970 Node 302.13677 +0.90491088 -0.05635947
e 0.6114797 Incl. 2.88694 +0.41764709 -0.07314168
P 3.99 H 24.4 G 0.15 U 1
Residuals in seconds of arc
040122 704 0.2- 0.9+ 040214 715 0.4- 0.3- 080113 854 0.9+ 0.5+
040122 704 0.0 0.6+ 040214 715 1.0+ 1.1- 080113 854 1.2+ 1.2-
040122 704 0.7+ 0.2- 040214 715 0.7+ 0.3- 080113 854 0.7+ 0.5+
040122 704 0.6+ 0.2+ 080112 703 0.0 0.5+ 080114 A44 0.2- 0.3-
040123 673 (2.1- 1.2+) 080112 703 0.2- 0.5+ 080114 A44 0.2- 0.2-
040123 673 1.1- 0.0 080112 703 0.1- 0.3+ 080114 A44 1.2- 0.5-
040123 673 0.5- 0.1- 080112 703 0.1- 0.3+ 080114 A44 0.2- 1.7-
040123 673 0.0 0.5+ 080112 703 0.2+ 0.1+ 080114 A44 0.2+ 1.0-
040123 673 0.2- 0.4+ 080112 703 0.4+ 0.6+ 080114 461 0.1- 0.1-
040123 673 0.4+ 0.4+ 080112 703 0.3- 0.6+ 080114 461 0.0 0.3-
040123 649 0.1+ 0.1+ 080112 703 0.1- 0.4+ 080114 461 0.1- 0.2-
040123 649 0.3+ 0.8- 080112 703 0.1+ 0.4+ 080114 461 0.3+ 0.3-
040123 649 (1.1+ 1.5+) 080112 703 0.1- 1.1+ 080115 H55 0.1- 0.2+
040123 649 0.1- 0.3+ 080112 703 0.1+ 0.8+ 080115 H55 0.1+ 0.3+
040123 649 0.2+ 0.2- 080112 703 0.2- 0.5+ 080115 H55 0.1+ 0.3+
040123 649 0.1+ 0.7+ 080112 F84 0.8- 1.7- 080115 H55 0.0 0.4+
040123 649 0.8+ 0.2+ 080112 F84 0.1+ 0.8- 080118 448 0.0 0.0
040123 246 1.4- 0.6+ 080112 A74 0.2+ 0.2- 080118 448 0.4+ 0.1+
040123 246 0.5+ 0.1- 080112 A74 0.2- 0.0 080118 703 0.5+ 0.9+
040123 246 (2.6- 0.3+) 080112 A74 0.2+ 0.2+ 080118 448 0.8- 0.1-
040123 246 0.6- 0.0 080112 A74 0.2- 0.4- 080118 703 0.5- 1.2+
040124 J95 0.4- 0.3- 080112 A74 0.1+ 0.4+ 080118 703 1.2- 0.4-
040124 J95 0.4+ 0.2- 080112 A74 0.0 0.1- 080118 703 1.2- 0.1+
040124 J95 0.1- 0.4+ 080112 A74 0.3+ 0.9- 080118 673 0.0 0.4+
040128 448 0.5- 0.3- 080113 A17 0.0 0.5- 080118 673 0.1+ 0.0
040128 448 0.1- 0.0 080113 A17 0.1- 0.7-
040128 448 0.6+ 0.1- 080113 A17 0.1- 0.6-
Ephemeris:
2004 BG41 a,e,i = 2.52, 0.61, 3 q = 0.9775
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 01 15 11 40.10 +12 00.4 0.0347 1.003 123.0 55.4 19.1
2008 01 16 11 37.35 +09 24.5 0.0392 1.006 123.8 54.3 19.4
2008 01 17 11 35.12 +07 21.4 0.0438 1.009 124.6 53.3 19.6
2008 01 18 11 33.25 +05 42.1 0.0484 1.013 125.5 52.3 19.8
2008 01 19 11 31.64 +04 20.7 0.0531 1.016 126.4 51.2 20.0
2008 01 20 11 30.22 +03 13.0 0.0578 1.020 127.3 50.1 20.1
2008 01 21 11 28.94 +02 15.9 0.0626 1.024 128.2 49.0 20.3
2008 01 22 11 27.76 +01 27.4 0.0673 1.028 129.2 47.9 20.4
2008 01 23 11 26.65 +00 45.8 0.0721 1.032 130.1 46.8 20.5
2008 01 24 11 25.61 +00 10.0 0.0769 1.036 131.1 45.7 20.6
2008 01 25 11 24.60 -00 21.0 0.0817 1.041 132.1 44.5 20.8
2008 01 26 11 23.63 -00 48.0 0.0865 1.046 133.2 43.4 20.9
2008 01 27 11 22.68 -01 11.4 0.0913 1.050 134.2 42.2 21.0
2008 01 28 11 21.74 -01 31.9 0.0962 1.055 135.3 41.1 21.0
2008 01 29 11 20.81 -01 49.7 0.101 1.060 136.3 39.9 21.1
2008 01 30 11 19.88 -02 05.3 0.106 1.065 137.4 38.7 21.2
2008 01 31 11 18.96 -02 18.7 0.111 1.071 138.5 37.6 21.3
2008 02 01 11 18.03 -02 30.4 0.116 1.076 139.6 36.4 21.4
2008 02 02 11 17.11 -02 40.4 0.121 1.082 140.7 35.2 21.4
2008 02 03 11 16.18 -02 48.9 0.126 1.087 141.8 34.1 21.5
2008 02 04 11 15.25 -02 56.0 0.131 1.093 143.0 32.9 21.6
2008 02 05 11 14.31 -03 02.0 0.136 1.099 144.1 31.8 21.6
2008 02 06 11 13.38 -03 06.8 0.141 1.105 145.2 30.6 21.7
2008 02 07 11 12.44 -03 10.6 0.146 1.111 146.4 29.4 21.7
2008 02 08 11 11.50 -03 13.5 0.151 1.117 147.5 28.3 21.8
2008 02 09 11 10.57 -03 15.5 0.157 1.123 148.7 27.2 21.8
2008 02 10 11 09.63 -03 16.8 0.162 1.130 149.8 26.1 21.9
2008 02 11 11 08.70 -03 17.3 0.167 1.136 151.0 24.9 21.9
2008 02 12 11 07.78 -03 17.2 0.173 1.143 152.1 23.8 22.0
2008 02 13 11 06.86 -03 16.4 0.178 1.149 153.3 22.7 22.0
2008 02 14 11 05.96 -03 15.2 0.184 1.156 154.4 21.7 22.1
Gareth V. Williams (C) Copyright 2008 MPC M.P.E.C. 2008-B19
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