MPEC 2009-U29 : 2009 UL1
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M.P.E.C. 2009-U29 Issued 2009 Oct. 18, 23:47 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 UL1
Observations:
K09U01L* C2009 10 17.23676 00 52 29.78 -02 37 54.5 20.2 V EU029G96
K09U01L C2009 10 17.24441 00 52 28.88 -02 40 24.6 20.1 V EU029G96
K09U01L C2009 10 17.25177 00 52 28.02 -02 42 51.0 20.0 V EU029G96
K09U01L C2009 10 17.29523 00 52 22.84 -02 57 04.9 20.0 V EU029G96
K09U01L C2009 10 17.29638 00 52 22.70 -02 57 27.9 19.8 V EU029G96
K09U01L C2009 10 17.29751 00 52 22.60 -02 57 49.8 20.3 V EU029G96
K09U01L C2009 10 17.29866 00 52 22.43 -02 58 12.5 20.4 V EU029G96
K09U01L C2009 10 17.35896 00 52 15.12 -03 18 05.6 19.4 R EU029H01
K09U01L C2009 10 17.35993 00 52 15.28 -03 18 23.4 19.7 R EU029854
K09U01L C2009 10 17.36512 00 52 14.60 -03 20 06.5 19.6 R EU029854
K09U01L C2009 10 17.37032 00 52 14.00 -03 21 47.5 19.7 R EU029854
K09U01L C2009 10 17.38042 00 52 12.69 -03 25 11.1 19.6 R EU029H01
K09U01L C2009 10 17.38584 00 52 12.08 -03 26 58.5 19.6 R EU029H01
K09U01L C2009 10 17.39103 00 52 11.51 -03 28 41.8 19.9 R EU029H01
K09U01L C2009 10 17.94528 00 51 23.05 -06 36 07.9 EU029J95
K09U01L C2009 10 17.94851 00 51 22.60 -06 37 15.2 EU029J95
K09U01L C2009 10 17.95146 00 51 22.30 -06 38 15.8 19.5 R EU029J95
K09U01L C2009 10 18.01664 00 51 13.87 -07 00 39.6 19.9 C EU029204
K09U01L C2009 10 18.23831 00 50 53.23 -08 17 43.1 19.3 V EU029H55
K09U01L C2009 10 18.24340 00 50 52.59 -08 19 29.8 19.2 V EU029H55
K09U01L C2009 10 18.24956 00 50 51.81 -08 21 39.1 19.4 V EU029H55
K09U01L C2009 10 18.25846 00 50 52.11 -08 24 41.3 19.0 R EU029H01
K09U01L C2009 10 18.26211 00 50 51.66 -08 25 58.1 19.2 R EU029H01
K09U01L C2009 10 18.27950 00 50 49.45 -08 32 03.9 19.5 R EU029H01
K09U01L C2009 10 18.38179 00 50 36.88 -09 08 00.2 20.1 R EU029926
K09U01L C2009 10 18.38520 00 50 36.46 -09 09 11.9 19.7 R EU029926
K09U01L C2009 10 18.38861 00 50 36.05 -09 10 24.1 19.8 R EU029926
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers R. Hill, R. E. Hill. 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.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer K. Dankov. 0.61-m f/4.5 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 UL1 Earth MOID = 0.0562 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 6.54245 (2000.0) P Q
n 0.63980513 Peri. 272.71361 -0.34999601 -0.91542161
a 1.3338415 Node 201.41422 +0.91612377 -0.37877737
e 0.4244291 Incl. 32.98304 -0.19549941 -0.13612850
P 1.54 H 23.7 G 0.15 U 8
Residuals in seconds of arc
091017 G96 0.9- 0.1+ 091017 854 0.0 0.4- 091018 H55 0.5- 0.5-
091017 G96 0.8- 0.2+ 091017 854 0.0 1.7+ 091018 H55 0.6- 0.2-
091017 G96 0.5- 1.6- 091017 H01 0.1+ 0.0 091018 H55 0.8- 0.1-
091017 G96 0.3- 0.1+ 091017 H01 0.1+ 0.1+ 091018 H01 0.7- 0.2-
091017 G96 0.3- 0.2- 091017 H01 0.3+ 0.2- 091018 H01 0.5- 0.2-
091017 G96 0.2+ 0.2+ 091017 J95 0.8+ 0.3+ 091018 H01 0.5- 0.1+
091017 G96 0.3- 0.2+ 091017 J95 0.3- 0.3- 091018 926 0.0 0.1+
091017 H01 0.1- 0.3+ 091017 J95 0.4+ 0.0 091018 926 0.1- 0.5+
091017 854 1.1+ 0.1- 091018 204 0.1+ 0.2- 091018 926 0.0 0.4+
Ephemeris:
2009 UL1 a,e,i = 1.33, 0.42, 33 q = 0.7677
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 16 00 54.28 +03 47.3 0.117 1.113 171.1 7.9 19.8
2009 10 17 00 52.84 -01 20.2 0.112 1.106 166.4 12.2 19.9
2009 10 18 00 51.29 -06 53.6 0.108 1.099 160.8 17.3 20.0
2009 10 19 00 49.62 -12 48.7 0.105 1.092 154.7 23.0 20.1
2009 10 20 00 47.83 -18 58.9 0.103 1.085 148.2 28.9 20.2
2009 10 21 00 45.89 -25 15.8 0.103 1.078 141.6 35.0 20.4
2009 10 22 00 43.79 -31 30.1 0.104 1.071 135.0 41.1 20.5
2009 10 23 00 41.50 -37 32.9 0.106 1.064 128.6 47.0 20.7
2009 10 24 00 39.00 -43 16.9 0.109 1.057 122.4 52.6 20.9
2009 10 25 00 36.25 -48 37.0 0.113 1.050 116.7 57.7 21.2
2009 10 26 00 33.20 -53 30.6 0.118 1.043 111.5 62.5 21.4
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-U29
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