MPEC 2009-Y27 : 2009 YO
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M.P.E.C. 2009-Y27 Issued 2009 Dec. 19, 14:36 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 YO
Observations:
K09Y00O* C2009 12 18.30917 04 49 21.43 +29 46 09.3 20.2 V EY027G96
K09Y00O C2009 12 18.31744 04 49 20.10 +29 45 58.3 20.1 V EY027G96
K09Y00O C2009 12 18.33412 04 49 17.50 +29 45 36.7 20.0 V EY027G96
K09Y00O C2009 12 18.36485 04 49 12.72 +29 44 56.9 20.6 V EY027G96
K09Y00O C2009 12 18.36958 04 49 11.94 +29 44 50.6 20.1 R EY027H01
K09Y00O C2009 12 18.37291 04 49 11.46 +29 44 46.1 20.3 V EY027G96
K09Y00O C2009 12 18.37851 04 49 10.54 +29 44 39.0 20.2 R EY027H01
K09Y00O C2009 12 18.38096 04 49 10.20 +29 44 36.0 20.9 V EY027G96
K09Y00O C2009 12 18.38891 04 49 08.94 +29 44 25.3 20.6 V EY027G96
K09Y00O C2009 12 18.38975 04 49 08.81 +29 44 24.3 20.2 R EY027H01
K09Y00O C2009 12 18.39675 04 49 07.71 +29 44 15.3 20.1 R EY027H01
K09Y00O C2009 12 19.19879 04 47 06.84 +29 27 03.9 EY027291
K09Y00O C2009 12 19.21071 04 47 04.95 +29 26 48.8 EY027291
K09Y00O C2009 12 19.42594 04 46 32.12 +29 22 09.3 20.0 R EY027H01
K09Y00O C2009 12 19.43234 04 46 31.14 +29 22 00.9 20.1 R EY027H01
K09Y00O C2009 12 19.43880 04 46 30.17 +29 21 52.4 20.0 R EY027H01
K09Y00O C2009 12 19.44537 04 46 29.18 +29 21 43.7 19.9 R EY027H01
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observer S. M. Larson. 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.
Orbital elements:
2009 YO Earth MOID = 0.5087 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 154.46190 (2000.0) P Q
n 0.67763041 Peri. 5.35750 -0.00702163 +0.79867475
a 1.2837313 Node 265.32158 -0.93842343 -0.21311753
e 0.6076962 Incl. 37.13776 -0.34541592 +0.56276066
P 1.45 H 18.3 G 0.15 U 9
Residuals in seconds of arc
091218 G96 0.3+ 0.2+ 091218 H01 0.2- 0.2+ 091219 291 0.5- 0.2+
091218 G96 0.2- 0.1- 091218 G96 0.1+ 0.0 091219 H01 0.2+ 0.1-
091218 G96 0.0 0.1- 091218 G96 0.2- 0.4- 091219 H01 0.0 0.1-
091218 G96 0.2+ 0.0 091218 H01 0.0 0.1+ 091219 H01 0.1+ 0.1-
091218 H01 0.1- 0.2+ 091218 H01 0.2- 0.2+ 091219 H01 0.0 0.2-
091218 G96 0.2+ 0.4- 091219 291 0.4+ 0.0
Ephemeris:
2009 YO a,e,i = 1.28, 0.61, 37 q = 0.5036
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 15 04 58.12 +30 56.5 1.017 1.993 169.6 5.1 20.3
2009 12 25 04 33.67 +27 23.0 1.073 2.016 157.1 11.0 20.7
2010 01 04 04 15.86 +24 02.6 1.161 2.034 142.9 17.0 21.1
2010 01 14 04 04.69 +21 14.0 1.274 2.048 129.7 21.7 21.4
2010 01 24 03 59.32 +19 02.7 1.404 2.057 117.9 25.0 21.8
2010 02 03 03 58.63 +17 25.4 1.543 2.063 107.2 27.2 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-Y27
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