MPEC 2008-F09 : 2006 UM216
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M.P.E.C. 2008-F09 Issued 2008 Mar. 19, 12:00 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
2006 UM216
Revision to MPEC 2006-U93
Additional Observations:
K06UL6M 2C2008 02 27.54158813 32 14.695-26 06 08.11 21.3 R EF009568
K06UL6M 2C2008 02 27.54719413 32 14.550-26 06 08.16 21.2 R EF009568
K06UL6M 2C2008 03 13.58685313 23 55.629-25 53 07.91 21.4 R EF009568
K06UL6M 2C2008 03 13.59060413 23 55.475-25 53 07.39 21.4 R EF009568
Observer details:
568 Mauna Kea. Observers F. Bernardi, M. Micheli. Measurers F. Bernardi,
D. J. Tholen. 2.24-m University of Hawaii reflector.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
080227 568 1.3- 0.2+ 080313 568 1.3- 0.4+ MPO116360 +0.00041 day
Orbital elements:
2006 UM216 Earth MOID = 0.3301 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5 MPC
M 146.68713 (2000.0) P Q
n 0.22440983 Peri. 145.49808 +0.77555827 -0.57681555
a 2.6818931 Node 251.79515 +0.50108923 +0.80963878
e 0.5197448 Incl. 15.66530 +0.38395177 +0.10848444
P 4.39 H 16.0 G 0.15 U 2
Residuals in seconds of arc
061021 703 0.0 0.4+ 061030 673 0.4+ 0.0 061224 246 1.2+ 0.5+
061021 703 0.0 0.7+ 061102 448 0.0 0.4+ 061224 246 0.6+ 0.1-
061021 703 0.0 0.1- 061102 448 0.4- 0.0 061224 246 0.4+ 0.1-
061021 703 0.2- 0.5- 061110 673 0.0 0.2- 061224 246 0.3+ 0.5-
061027 704 0.1- 0.1- 061110 673 0.3- 0.1+ 070105 448 0.2- 0.5+
061027 704 0.0 0.3- 061110 673 0.3+ 0.2- 070105 448 1.0- 0.8+
061027 704 0.3- 1.7+ 061110 673 0.2+ 0.0 070108 448 0.8+ 0.9-
061027 704 1.0+ 0.8+ 061110 F84 0.1+ 0.4- 070108 448 1.3+ 0.3-
061028 204 0.1+ 0.1+ 061110 F84 0.0 0.6- 070108 448 0.9- 0.8+
061028 204 0.2+ 0.1+ 061118 703 0.3+ 0.9+ 070116 322 0.3+ 0.2+
061028 734 0.3+ 0.2- 061118 703 0.6- 0.8+ 070116 322 0.4- 1.1-
061028 734 0.3+ 0.3- 061118 703 0.5- 0.3+ 070116 322 (7.9- 0.1-)
061028 734 0.2+ 0.1+ 061118 703 0.0 0.3+ 070127 H36 0.6+ 0.8-
061028 734 0.0 0.2+ 061123 448 0.8- 0.3+ 070127 H36 0.3+ 0.6-
061028 G96 0.0 0.3- 061123 448 0.8- 0.1- 070127 H36 1.5- 1.3+
061028 G96 0.2+ 0.1- 061123 448 0.4+ 0.0 070205 448 0.1+ 0.5-
061028 G96 0.2+ 0.0 061201 703 0.2- 0.5- 070213 448 0.4- 0.3-
061028 G96 0.4- 0.1- 061201 703 0.0 0.2+ 070213 448 0.3+ 0.0
061029 734 0.0 0.2+ 061201 703 0.1- 0.1- 070217 704 0.8+ 0.5-
061029 734 0.4+ 0.1+ 061201 703 0.5- 0.4- 070217 704 1.3+ 0.0
061029 734 0.5- 0.8- 061206 448 0.3+ 0.4- 070217 704 0.2+ 0.3-
061029 G96 0.0 0.6- 061206 448 0.1- 0.7- 070217 704 0.3+ 0.3-
061029 G96 0.1- 0.1+ 061206 448 0.4- 0.1+ 070217 448 1.2+ 0.0
061029 G96 0.1- 0.1- 061212 204 0.1+ 0.2+ 070217 448 0.4+ 0.7-
061029 G96 0.3+ 0.2- 061214 204 0.2+ 0.3+ 070221 703 0.3- 0.2+
061030 G96 0.0 0.3- 061214 204 0.3+ 0.2+ 070221 703 0.1+ 1.0+
061030 G96 0.1+ 0.5- 061216 696 0.5+ 0.2+ 070221 703 0.7- 0.6+
061030 G96 0.2+ 0.4- 061216 696 0.6+ 0.2+ 070221 703 1.2+ 0.7+
061030 G96 0.2- 0.1- 061223 696 0.2- 0.2+ 080227 568 0.0 0.1-
061030 673 0.1+ 0.2+ 061223 696 0.3+ 0.1+ 080227 568 0.0 0.0
061030 673 0.6+ 0.1+ 061224 246 0.7+ 0.4- 080313 568 0.0 0.0
061030 673 0.3+ 0.3+ 061224 246 0.3+ 0.1- 080313 568 0.0 0.1+
Ephemeris:
2006 UM216 a,e,i = 2.68, 0.52, 16 q = 1.2880
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 03 15 13 22.96 -25 50.0 3.035 3.873 142.6 9.0 22.0
2008 03 25 13 15.47 -25 18.8 2.979 3.892 152.6 6.8 21.8
2008 04 04 13 07.21 -24 32.1 2.951 3.910 160.9 4.8 21.7
2008 04 14 12 58.84 -23 32.3 2.953 3.927 164.0 4.0 21.7
2008 04 24 12 51.03 -22 23.7 2.986 3.944 159.5 5.1 21.8
2008 05 04 12 44.31 -21 11.3 3.047 3.959 150.9 7.1 21.9
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-F09
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