MPEC 2009-U123: 2009 UG89
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M.P.E.C. 2009-U123 Issued 2009 Oct. 27, 23:30 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
2009 UG89
Observations:
K09U89G* C2009 10 22.10245 20 52 35.50 -17 48 46.2 20.2 V EU123G96
K09U89G C2009 10 22.10867 20 52 35.25 -17 48 45.0 20.2 V EU123G96
K09U89G C2009 10 22.11491 20 52 35.04 -17 48 44.0 20.1 V EU123G96
K09U89G C2009 10 22.12124 20 52 34.86 -17 48 43.2 20.5 V EU123G96
K09U89G C2009 10 22.17611 20 52 32.94 -17 48 34.0 20.6 V EU123G96
K09U89G C2009 10 22.17811 20 52 32.90 -17 48 33.6 20.3 V EU123G96
K09U89G C2009 10 22.18010 20 52 32.81 -17 48 32.9 20.4 V EU123G96
K09U89G C2009 10 22.18209 20 52 32.78 -17 48 32.7 20.6 V EU123G96
K09U89G C2009 10 24.07793 20 51 31.12 -17 43 10.8 19.9 R EU123H36
K09U89G C2009 10 24.08399 20 51 30.96 -17 43 09.6 20.3 V EU123G96
K09U89G C2009 10 24.08693 20 51 30.92 -17 43 09.1 20.2 V EU123G96
K09U89G C2009 10 24.08891 20 51 30.83 -17 43 09.0 20.1 R EU123H36
K09U89G C2009 10 24.08975 20 51 30.78 -17 43 08.5 20.1 V EU123G96
K09U89G C2009 10 24.09257 20 51 30.70 -17 43 08.0 20.1 V EU123G96
K09U89G C2009 10 24.09990 20 51 30.50 -17 43 07.2 20.2 R EU123H36
K09U89G C2009 10 24.13318 20 51 29.40 -17 43 01.1 20.4 V EU123G96
K09U89G C2009 10 24.13340 20 51 29.37 -17 43 01.2 20.6 V EU123291
K09U89G C2009 10 24.13404 20 51 29.36 -17 43 01.2 20.1 V EU123G96
K09U89G C2009 10 24.13488 20 51 29.35 -17 43 00.6 20.5 V EU123G96
K09U89G C2009 10 24.13574 20 51 29.31 -17 43 00.5 20.3 V EU123G96
K09U89G C2009 10 24.13887 20 51 29.21 -17 42 59.9 20.7 V EU123291
K09U89G C2009 10 24.14362 20 51 29.03 -17 42 59.5 19.9 R EU123H01
K09U89G C2009 10 24.14492 20 51 29.01 -17 42 59.0 20.7 V EU123291
K09U89G C2009 10 24.14984 20 51 28.83 -17 42 58.2 20.1 R EU123H01
K09U89G C2009 10 24.15616 20 51 28.64 -17 42 57.1 20.0 R EU123H01
K09U89G C2009 10 24.15986 20 51 28.50 -17 42 56.2 20.1 R EU123H01
K09U89G C2009 10 25.08476 20 50 59.84 -17 40 15.8 20.4 R EU123H01
K09U89G C2009 10 25.09165 20 50 59.63 -17 40 14.5 20.2 R EU123H01
K09U89G C2009 10 25.09801 20 50 59.43 -17 40 13.4 20.1 R EU123H01
K09U89G C2009 10 25.09840 20 50 59.48 -17 40 13.4 20.0 V EU123G96
K09U89G C2009 10 25.10167 20 50 59.31 -17 40 12.5 20.7 V EU123G96
K09U89G C2009 10 25.10488 20 50 59.23 -17 40 12.2 20.7 V EU123G96
K09U89G C2009 10 25.10801 20 50 59.09 -17 40 11.1 20.6 V EU123G96
K09U89G C2009 10 25.10975 20 50 59.06 -17 40 11.5 20.2 R EU123H01
K09U89G C2009 10 25.12211 20 50 58.71 -17 40 09.1 20.6 V EU123291
K09U89G C2009 10 25.12775 20 50 58.52 -17 40 08.0 20.3 V EU123291
K09U89G C2009 10 25.13355 20 50 58.34 -17 40 06.9 20.8 V EU123291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observers A. D. Grauer, A. Boattini. Measurers
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector
+ CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
Orbital elements:
2009 UG89
Epoch 2009 Oct. 16.0 TT = JDT 2455120.5 MPC
M 359.38157 (2000.0) P Q
n 0.00154198 Peri. 51.58611 +0.15697828 -0.86637829
a 74.2022020 Node 320.93041 -0.96151084 -0.02446229
e 0.9414279 Incl. 131.22009 +0.22550992 +0.49878878
P 639 H 12.6 G 0.15
From 37 observations 2009 Oct. 22-25. E-assumed.
Ephemeris:
2009 UG89 a,e,i = 74.20, 0.94, 131 q = 4.3462
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 26 20 50.54 -17 37.6 5.096 5.320 97.6 10.7 20.4
2009 10 31 20 48.27 -17 22.3 5.167 5.299 92.2 10.8 20.5
2009 11 05 20 46.39 -17 06.0 5.238 5.277 86.8 10.8 20.5
2009 11 10 20 44.90 -16 48.9 5.309 5.256 81.5 10.7 20.5
2009 11 15 20 43.76 -16 30.9 5.379 5.234 76.3 10.6 20.5
2009 11 20 20 42.97 -16 12.1 5.447 5.213 71.2 10.3 20.5
2009 11 25 20 42.49 -15 52.6 5.513 5.192 66.1 10.0 20.5
2009 11 30 20 42.31 -15 32.3 5.575 5.172 61.1 9.6 20.5
2009 12 05 20 42.40 -15 11.4 5.634 5.151 56.2 9.1 20.5
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-U123
Read MPEC 2009-U122
Read MPEC 2009-U124
