MPEC 2010-R02 : 2009 ME9
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M.P.E.C. 2010-R02 Issued 2010 Sept. 1, 16:16 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 ME9
Revision to MPEC 2009-N07
Additional Observations:
K09M09E C2010 08 29.09157018 03 34.31 +61 00 47.4 22.9 V ER002H21
K09M09E C2010 08 31.12151117 50 32.14 +60 33 56.7 22.2 V ER002H21
K09M09E C2010 08 31.12921817 50 29.21 +60 33 49.8 22.2 V ER002H21
K09M09E C2010 08 31.13692617 50 26.24 +60 33 42.6 22.5 V ER002H21
K09M09E C2010 09 01.09918917 44 31.35 +60 19 05.6 22.3 V ER002H21
K09M09E C2010 09 01.12495017 44 21.63 +60 18 39.2 22.5 V ER002H21
K09M09E C2010 09 01.15158417 44 11.72 +60 18 13.1 22.4 V ER002H21
Observer details:
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurer S. Foglia. 0.81-m f/4.5 astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
100829 H21 2.5- 13.8+ 100901 H21 3.9- 12.6+ MPO160911 -0.0038 day
Orbital elements:
2009 ME9 Earth MOID = 0.1614 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 220.79226 (2000.0) P Q
n 1.11070489 Peri. 207.48634 -0.45557173 -0.72195768
a 0.9234292 Node 274.06781 +0.88210247 -0.28738577
e 0.5007916 Incl. 31.47418 +0.11978996 -0.62943350
P 0.89 H 21.3 G 0.15 U 4
Residuals in seconds of arc
090624 G96 0.3+ 0.1- 090702 568 0.0 0.0 090817 291 0.6- 0.4-
090624 G96 0.6- 0.1- 090702 568 0.0 0.1+ 090817 291 0.5+ 0.7+
090624 G96 0.3- 0.2- 090702 568 0.1+ 0.0 090817 291 1.4+ 0.0
090624 G96 0.2+ 0.7- 090702 568 0.1- 0.1+ 100829 H21 0.8- 0.8+
090624 G96 0.8+ 0.9- 090713 291 0.5+ 0.6- 100831 H21 0.1+ 0.0
090624 G96 0.6+ 0.5- 090713 291 0.8- 0.0 100831 H21 0.3+ 0.1+
090624 G96 0.4+ 0.3- 090727 H55 0.6- 0.8+ 100831 H21 0.2+ 0.1-
090627 G96 0.8- 0.2- 090727 H55 1.1- 0.1- 100901 H21 0.3+ 0.4+
090627 G96 0.1- 0.5- 090727 H55 0.0 1.1+ 100901 H21 0.5- 0.7-
090627 G96 0.2- 0.6- 090727 291 0.2+ 0.6- 100901 H21 0.5- 0.4-
Ephemeris:
2009 ME9 a,e,i = 0.92, 0.50, 31 q = 0.4610
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 09 01 17 45.14 +60 20.6 0.547 1.153 90.6 61.1 22.5
2010 09 11 16 53.08 +56 55.5 0.549 1.086 82.9 67.0 22.5
2010 09 21 16 14.96 +52 30.6 0.547 1.010 74.8 73.7 22.6
2010 10 01 15 43.77 +47 21.3 0.537 0.925 66.1 81.9 22.6
2010 10 11 15 13.90 +40 54.8 0.520 0.831 56.3 92.4 22.8
2010 10 21 14 42.40 +31 51.8 0.504 0.730 44.8 106.1 23.1
2010 10 31 14 11.50 +18 36.4 0.509 0.627 32.6 121.4 23.8
Timothy B. Spahr (C) Copyright 2010 MPC M.P.E.C. 2010-R02
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