MPEC 2009-U105: 2009 UL20
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M.P.E.C. 2009-U105 Issued 2009 Oct. 26, 18:41 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 UL20
Observations:
K09U20L* C2009 10 25.23483 02 08 33.25 +08 23 12.6 20.2 V EU105G96
K09U20L C2009 10 25.24166 02 08 34.47 +08 23 16.2 21.0 V EU105G96
K09U20L C2009 10 25.24841 02 08 35.55 +08 23 19.0 21.3 V EU105G96
K09U20L C2009 10 25.25516 02 08 36.81 +08 23 22.1 21.1 V EU105G96
K09U20L C2009 10 25.36691 02 08 56.11 +08 24 10.7 20.8 V EU105G96
K09U20L C2009 10 25.36765 02 08 56.22 +08 24 11.2 20.8 V EU105G96
K09U20L C2009 10 25.36840 02 08 56.36 +08 24 11.4 20.6 V EU105G96
K09U20L C2009 10 25.36914 02 08 56.43 +08 24 11.8 20.3 V EU105G96
K09U20L C2009 10 25.38656 02 08 59.53 +08 24 19.2 20.5 V EU105G96
K09U20L C2009 10 25.38724 02 08 59.67 +08 24 19.6 20.4 V EU105G96
K09U20L C2009 10 25.38794 02 08 59.78 +08 24 19.8 20.4 V EU105G96
K09U20L C2009 10 25.38865 02 08 59.89 +08 24 19.8 20.6 V EU105G96
K09U20L C2009 10 26.17091 02 11 30.90 +08 29 54.9 EU105291
K09U20L C2009 10 26.17477 02 11 31.61 +08 29 57.4 EU105291
K09U20L C2009 10 26.17866 02 11 32.22 +08 29 58.3 EU105291
K09U20L C2009 10 26.19546 02 11 34.89 +08 30 04.5 19.7 R EU105H01
K09U20L C2009 10 26.19923 02 11 35.53 +08 30 06.0 19.7 R EU105H01
K09U20L C2009 10 26.20317 02 11 36.19 +08 30 07.8 19.6 R EU105H01
K09U20L C2009 10 26.20812 02 11 37.01 +08 30 10.1 19.8 R EU105H01
K09U20L C2009 10 26.21289 02 11 37.85 +08 30 12.3 19.9 R EU105H01
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observer 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. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2009 UL20 Earth MOID = 0.1139 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 24.21840 (2000.0) P Q
n 0.25236126 Peri. 171.73369 +0.99392787 -0.10967632
a 2.4800147 Node 194.57187 +0.09883297 +0.92524882
e 0.5505535 Incl. 2.01810 +0.04836775 +0.36316075
P 3.91 H 23.8 G 0.15 U 8
Residuals in seconds of arc
091025 G96 0.1+ 0.5- 091025 G96 0.9- 0.1+ 091026 291 0.4- 0.2-
091025 G96 0.5+ 0.0 091025 G96 0.1+ 0.2+ 091026 H01 0.1+ 0.2-
091025 G96 0.9- 0.2- 091025 G96 0.4+ 0.4+ 091026 H01 0.1+ 0.4-
091025 G96 0.4+ 0.2- 091025 G96 0.2+ 0.3+ 091026 H01 0.0 0.4-
091025 G96 0.1+ 0.1- 091025 G96 0.0 0.0 091026 H01 0.2- 0.3-
091025 G96 0.2- 0.1+ 091026 291 0.2- 0.1- 091026 H01 0.4+ 0.2-
091025 G96 0.0 0.0 091026 291 0.5+ 0.7+
Ephemeris:
2009 UL20 a,e,i = 2.48, 0.55, 2 q = 1.1146
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 26 02 10.95 +08 29.1 0.164 1.157 175.5 3.9 20.5
2009 11 05 02 36.06 +09 31.6 0.204 1.195 173.8 5.1 21.2
2009 11 15 02 52.47 +10 26.2 0.255 1.241 169.5 8.4 21.9
2009 11 25 03 04.35 +11 22.2 0.318 1.295 163.2 12.7 22.6
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-U105
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