MPEC 2007-O51 : 2005 XW77
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M.P.E.C. 2007-O51 Issued 2007 July 27, 10:31 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 XW77
Revision to MPEC 2005-X64
Additional Observations:
K05X77W C2007 07 24.95890 18 18 58.93 +09 46 29.3 EO051J95
K05X77W C2007 07 24.96194 18 18 58.55 +09 46 37.9 EO051J95
K05X77W C2007 07 25.00500 18 18 53.10 +09 48 41.6 EO051J95
K05X77W C2007 07 25.00729 18 18 52.82 +09 48 48.8 19.8 R EO051J95
K05X77W C2007 07 26.93107 18 15 08.14 +11 20 05.0 EO051J95
K05X77W C2007 07 26.93253 18 15 07.96 +11 20 08.8 EO051J95
K05X77W C2007 07 26.94747 18 15 06.15 +11 20 50.4 19.7 R EO051J95
K05X77W C2007 07 27.02936 18 14 55.90 +11 24 41.7 20.0 R EO051204
K05X77W C2007 07 27.03416 18 14 55.30 +11 24 54.8 EO051204
K05X77W C2007 07 27.04195 18 14 54.35 +11 25 16.5 EO051204
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
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
070724 J95 0.27+ 0.19+ 070727 204 0.26+ 0.20+ MPO 98029 -0.12 day
Orbital elements:
2005 XW77 Earth MOID = 0.2209 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 272.55121 (2000.0) P Q
n 0.48005629 Peri. 99.96375 +0.94793278 -0.14613222
a 1.6153796 Node 268.84897 +0.03042370 +0.92599932
e 0.3553739 Incl. 16.44062 +0.31701393 +0.34809573
P 2.05 H 20.9 G 0.15 U 3
Residuals in seconds of arc
051210 691 0.4- 0.2- 051221 448 0.3+ 0.0 060110 291 0.1+ 0.5+
051210 691 0.1+ 0.0 051221 448 0.4+ 0.2- 060110 291 0.9- 0.1-
051210 691 0.2+ 0.2+ 051221 448 0.2+ 0.0 060110 291 0.3- 0.1-
051210 J95 0.0 0.1+ 051224 291 0.0 0.0 060122 291 1.5- 0.8+
051210 J95 0.7+ 0.6+ 051224 291 0.1- 0.1+ 060122 291 0.0 0.2+
051210 J95 1.4+ 0.2+ 051224 291 0.0 0.3- 060122 291 0.0 0.3-
051211 682 1.6- 0.8+ 051226 291 0.3+ 0.3- 070724 J95 0.2+ 0.0
051211 682 1.8- 1.2- 051226 291 0.6- 0.1- 070724 J95 0.2+ 0.1-
051211 J95 0.0 1.0- 051228 291 0.3+ 0.0 070725 J95 0.2- 0.2-
051211 J95 0.6+ 0.5+ 051228 291 (2.3- 0.9+) 070725 J95 0.1- 0.5+
051211 J95 0.0 0.2+ 051228 291 1.2- 1.0- 070726 J95 0.0 0.2+
051214 673 0.3+ 0.4- 051231 291 0.1+ 0.1- 070726 J95 0.0 0.1-
051214 673 0.5+ 0.1- 051231 291 0.0 0.1- 070726 J95 0.3+ 0.4-
051214 673 0.4- 0.7- 051231 291 0.0 0.1+ 070727 204 0.0 0.1-
051214 673 0.6- 1.4- 060105 291 1.4+ 1.9+ 070727 204 0.3- 0.4-
051221 291 0.1- 0.3+ 060105 291 0.7- 1.6- 070727 204 0.6- 0.4-
051221 291 0.3- 0.0 060105 291 (2.8- 2.5+)
Ephemeris:
2005 XW77 a,e,i = 1.62, 0.36, 16 q = 1.0413
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 07 19 18 31.20 +04 53.0 0.320 1.298 147.5 24.9 20.1
2007 07 29 18 11.25 +12 55.9 0.311 1.249 133.1 36.4 20.3
2007 08 08 17 55.21 +19 52.6 0.314 1.202 120.0 46.9 20.6
2007 08 18 17 44.93 +25 31.4 0.322 1.159 109.3 55.5 20.8
2007 08 28 17 40.90 +30 10.5 0.330 1.121 101.1 62.2 21.0
2007 09 07 17 42.57 +34 13.9 0.334 1.089 95.0 67.2 21.1
2007 09 17 17 49.55 +38 00.5 0.334 1.065 91.0 70.8 21.1
2007 09 27 18 01.91 +41 46.6 0.326 1.048 88.9 72.9 21.1
2007 10 07 18 20.57 +45 41.0 0.313 1.042 88.8 73.7 21.0
2007 10 17 18 48.71 +49 47.3 0.295 1.044 91.0 72.6 20.9
2007 10 27 19 32.65 +53 57.9 0.273 1.056 95.7 69.4 20.6
2007 11 06 20 42.74 +57 18.4 0.252 1.078 103.2 63.6 20.3
2007 11 16 22 23.92 +57 22.0 0.238 1.107 113.7 54.9 20.0
2007 11 26 00 09.86 +51 35.5 0.239 1.142 125.4 44.8 19.8
2007 12 06 01 28.54 +41 39.2 0.262 1.183 134.3 36.6 19.8
2007 12 16 02 20.61 +31 46.5 0.308 1.228 137.1 33.0 20.2
2007 12 26 02 56.98 +24 11.9 0.376 1.276 134.7 33.2 20.7
2008 01 05 03 24.93 +19 02.4 0.460 1.326 129.8 34.7 21.3
2008 01 15 03 48.53 +15 44.2 0.558 1.377 124.2 36.2 21.8
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-O51
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