MPEC 2009-N04 : 2005 NJ63
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M.P.E.C. 2009-N04 Issued 2009 July 2, 00:35 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
2005 NJ63
Revision to MPEC 2005-N71
Additional Observations:
K05N63J C2009 06 30.02133 19 15 11.82 +34 07 30.1 EN004J95
K05N63J C2009 06 30.05797 19 14 58.12 +34 04 38.7 19.5 R EN004J95
K05N63J C2009 06 30.07606 19 14 51.22 +34 03 14.7 EN004J95
K05N63J C2009 07 01.97801 19 03 19.80 +31 28 19.0 EN004J95
K05N63J C2009 07 01.98452 19 03 17.40 +31 27 46.6 19.8 R EN004J95
Observer details:
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
090630 J95 0.07+ 0.08- 090701 J95 0.08+ 0.08- MPO 87706 -0.055 day
Orbital elements:
2005 NJ63 Earth MOID = 0.2181 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 113.59124 (2000.0) P Q
n 1.21616407 Peri. 1.70210 -0.53592636 -0.75209009
a 0.8692431 Node 120.88727 +0.76922077 -0.62224308
e 0.4223366 Incl. 26.55038 +0.34796888 +0.21719586
P 0.81 H 20.9 G 0.15 U 4
Residuals in seconds of arc
050712 703 0.9- 0.6- 050714 673 0.2- 0.0 050720 649 0.1- 0.5-
050712 703 0.7- 0.1+ 050714 673 0.5+ 0.9+ 050727 428 1.1- 0.4-
050712 703 0.7- 0.2- 050714 673 0.2+ 0.2+ 050728 734 0.7- 0.1+
050712 703 0.5+ 0.3- 050714 673 0.1- 0.0 050728 734 0.1+ 0.7+
050712 A50 (1.7+ 0.8+) 050715 J95 1.0- 0.3- 050728 F65 0.4+ 0.4+
050712 A50 0.4- 0.5+ 050715 J95 0.1- 0.1+ 050728 F65 0.2+ 0.3+
050713 J95 0.2+ 0.1- 050715 J95 0.2+ 0.5+ 050728 F65 0.1+ 0.5+
050713 J95 0.6+ 0.1- 050716 170 0.4- 0.6- 050818 474 0.5- 0.3+
050713 J95 0.5+ 0.3+ 050716 170 0.5- 0.7- 050818 474 0.0 1.1-
050714 952 (1.6- 1.6+) 050716 170 0.4- 1.0- 050818 474 0.1+ 0.3+
050714 952 0.2+ 0.6+ 050717 941 (1.7- 2.6-) 090630 J95 1.2- 0.5+
050714 952 0.5+ 0.4- 050717 941 (1.4- 2.0-) 090630 J95 0.7+ 0.3-
050714 734 0.0 0.5- 050717 941 (1.3- 2.2-) 090630 J95 0.1- 0.2+
050714 734 0.1- 0.5+ 050717 941 (1.4- 1.9-) 090701 J95 0.2+ 0.6-
050714 734 0.4+ 0.2- 050720 649 0.2+ 0.3- 090701 J95 0.5+ 0.2+
050714 734 0.1+ 0.1+ 050720 649 0.5- 0.1-
050714 734 0.5+ 0.3- 050720 649 1.3+ 0.4+
Ephemeris:
2005 NJ63 a,e,i = 0.87, 0.42, 27 q = 0.5021
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 06 28 19 27.59 +36 35.9 0.246 1.154 118.5 50.7 20.1
2009 07 08 18 28.67 +21 54.4 0.227 1.187 134.5 37.6 19.6
2009 07 18 17 42.20 +04 05.5 0.242 1.212 139.9 32.7 19.6
2009 07 28 17 12.42 -10 56.2 0.289 1.228 132.0 38.0 20.2
2009 08 07 16 57.02 -21 23.6 0.357 1.235 120.8 44.8 20.8
2009 08 17 16 52.05 -28 28.6 0.434 1.235 110.8 50.0 21.4
2009 08 27 16 54.66 -33 29.0 0.514 1.227 102.2 53.6 21.9
Gareth V. Williams (C) Copyright 2009 MPC M.P.E.C. 2009-N04
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Read MPEC 2009-N05
