MPEC 2010-Q48 : 2009 PY
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M.P.E.C. 2010-Q48 Issued 2010 Aug. 31, 23:16 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.minorplanetcenter.org/iau/mpc.html ISSN 1523-6714
2009 PY
Revision to MPEC 2009-P48
Additional Observations:
K09P00Y KC2010 08 30.97018 23 09 57.98 +36 28 25.5 EQ048J95
K09P00Y KC2010 08 30.97653 23 09 55.35 +36 28 44.8 20.7 R EQ048J95
K09P00Y KC2010 08 31.02658 23 09 34.32 +36 31 16.1 20.4 R EQ048J95
K09P00Y KC2010 08 31.89262 23 03 36.00 +37 13 33.4 EQ048J95
K09P00Y KC2010 08 31.89935 23 03 33.16 +37 13 52.9 EQ048J95
K09P00Y KC2010 08 31.91006 23 03 28.56 +37 14 24.0 20.3 R EQ048J95
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
100830 J95 0.42+ 0.28+ 100831 J95 0.42+ 0.29+ MPO160914 -0.16 day
Orbital elements:
2009 PY Earth MOID = 0.1798 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 142.49027 (2000.0) P Q
n 1.07378038 Peri. 195.96249 -0.93284933 -0.25742933
a 0.9444792 Node 325.69868 +0.35960339 -0.62290801
e 0.2940000 Incl. 26.56633 +0.02185243 -0.73872576
P 0.92 H 21.2 G 0.15 U 5
Residuals in seconds of arc
090813 E12 0.4- 0.9+ 090814 E12 0.2- 0.4- 090820 E12 0.1- 0.9+
090813 E12 0.3+ 0.2- 090814 E12 1.0- 0.1- 090823 E12 0.2+ 0.3-
090813 E12 0.1- 0.4+ 090814 E12 0.1+ 0.0 100830 J95 0.3- 0.3-
090813 E12 0.0 0.1+ 090815 E12 0.3+ 0.2- 100830 J95 0.1+ 0.3-
090813 D90 (0.7- 2.0+) 090817 E12 0.5+ 0.1+ 100831 J95 0.5+ 0.1-
090813 D90 (2.3- 0.9+) 090818 E12 0.8+ 0.3- 100831 J95 0.2- 0.3+
090813 D90 (0.5- 2.4+) 090818 E12 0.2+ 0.1- 100831 J95 0.1+ 0.2+
090813 D90 0.7- 0.5+ 090819 E12 0.7+ 0.1- 100831 J95 0.2- 0.1+
090813 D90 0.5- 0.5+ 090820 E12 0.3- 0.1-
090813 D90 0.2+ 0.0 090820 E12 0.5- 0.1-
Ephemeris:
2009 PY a,e,i = 0.94, 0.29, 27 q = 0.6668
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 09 01 23 02.84 +37 18.8 0.281 1.221 133.9 36.5 20.4
2010 09 11 21 49.91 +42 37.8 0.298 1.216 128.8 40.2 20.6
2010 09 21 20 47.35 +43 16.1 0.333 1.204 119.6 46.5 21.0
2010 10 01 20 06.41 +41 34.1 0.378 1.186 110.3 52.3 21.4
2010 10 11 19 43.72 +39 21.5 0.425 1.163 101.9 57.1 21.7
2010 10 21 19 33.07 +37 25.1 0.468 1.134 94.7 61.0 22.0
Gareth V. Williams (C) Copyright 2010 MPC M.P.E.C. 2010-Q48
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