MPEC 2009-Y28 : 2009 YP
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M.P.E.C. 2009-Y28 Issued 2009 Dec. 19, 14:47 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 YP
Observations:
K09Y00P* C2009 12 18.40331 08 05 52.87 +26 14 56.9 21.3 V EY028G96
K09Y00P C2009 12 18.41025 08 05 49.77 +26 15 25.7 21.2 V EY028G96
K09Y00P C2009 12 18.41716 08 05 46.60 +26 15 55.1 21.5 V EY028G96
K09Y00P C2009 12 18.42418 08 05 43.44 +26 16 24.6 21.4 V EY028G96
K09Y00P C2009 12 18.46124 08 05 26.54 +26 18 58.9 EY028G96
K09Y00P C2009 12 18.46956 08 05 22.76 +26 19 33.4 21.9 V EY028G96
K09Y00P C2009 12 18.47792 08 05 19.06 +26 20 08.1 22.3 V EY028G96
K09Y00P KC2009 12 18.47879 08 05 18.45 +26 20 09.9 21.3 R EY028H01
K09Y00P C2009 12 18.48626 08 05 15.22 +26 20 42.6 21.6 V EY028G96
K09Y00P KC2009 12 18.48890 08 05 13.88 +26 20 51.5 20.5 R EY028H01
K09Y00P KC2009 12 18.49668 08 05 10.37 +26 21 23.6 22.2 R EY028H01
K09Y00P KC2009 12 18.50668 08 05 05.85 +26 22 04.7 21.0 R EY028H01
K09Y00P tC2009 12 19.23043 07 59 51.73 +27 12 22.5 20.8 V EY028291
K09Y00P tC2009 12 19.23476 07 59 49.58 +27 12 40.4 21.0 V EY028291
K09Y00P tC2009 12 19.23897 07 59 47.49 +27 12 59.7 20.7 V EY028291
K09Y00P C2009 12 19.45771 07 58 04.88 +27 28 12.1 20.6 R EY028H01
K09Y00P C2009 12 19.46521 07 58 01.35 +27 28 42.8 21.4 R EY028H01
K09Y00P C2009 12 19.47097 07 57 58.65 +27 29 06.2 21.4 R EY028H01
K09Y00P C2009 12 19.47690 07 57 55.86 +27 29 30.4 20.7 R EY028H01
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 YP Earth MOID = 0.0509 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 163.24041 (2000.0) P Q
n 1.33377871 Peri. 202.55434 +0.31274540 +0.93384849
a 0.8173603 Node 86.02271 -0.84276381 +0.35709299
e 0.4270859 Incl. 10.01828 -0.43810897 -0.02028772
P 0.74 H 24.0 G 0.15 U 9
Residuals in seconds of arc
091218 G96 0.3- 0.4- 091218 H01 0.1- 0.3+ 091219 291 (2.1- 1.1+)
091218 G96 0.4+ 0.7- 091218 G96 0.1- 0.2+ 091219 H01 0.0 0.1+
091218 G96 0.0 0.2- 091218 H01 0.1- 0.3+ 091219 H01 0.0 0.2+
091218 G96 0.4+ 0.0 091218 H01 0.0 0.3+ 091219 H01 0.1+ 0.1+
091218 G96 0.4- 0.0 091218 H01 0.2- 0.3+ 091219 H01 0.1+ 0.2+
091218 G96 0.5- 0.0 091219 291 (2.2+ 0.3+)
091218 G96 0.7+ 0.2+ 091219 291 0.0 0.2-
Ephemeris:
2009 YP a,e,i = 0.82, 0.43, 10 q = 0.4683
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 15 08 28.65 +22 16.4 0.169 1.117 138.9 35.4 21.8
2009 12 16 08 22.34 +23 26.3 0.167 1.120 141.5 33.2 21.8
2009 12 17 08 15.71 +24 36.5 0.166 1.123 144.2 30.9 21.7
2009 12 18 08 08.77 +25 46.8 0.165 1.126 146.8 28.6 21.6
2009 12 19 08 01.53 +26 56.6 0.164 1.128 149.5 26.3 21.5
2009 12 20 07 53.99 +28 05.5 0.164 1.131 152.1 24.0 21.5
2009 12 21 07 46.17 +29 13.2 0.163 1.134 154.7 21.7 21.4
2009 12 22 07 38.09 +30 19.1 0.163 1.136 157.2 19.6 21.3
2009 12 23 07 29.77 +31 22.8 0.163 1.138 159.6 17.5 21.3
2009 12 24 07 21.26 +32 23.9 0.164 1.141 161.8 15.6 21.2
2009 12 25 07 12.58 +33 22.0 0.165 1.143 163.7 14.0 21.2
2009 12 26 07 03.78 +34 16.7 0.166 1.145 165.3 12.6 21.1
2009 12 27 06 54.89 +35 07.9 0.167 1.147 166.3 11.7 21.1
2009 12 28 06 45.97 +35 55.2 0.169 1.149 166.7 11.3 21.1
2009 12 29 06 37.06 +36 38.5 0.171 1.150 166.5 11.5 21.2
2009 12 30 06 28.20 +37 17.9 0.173 1.152 165.8 12.1 21.2
2009 12 31 06 19.44 +37 53.2 0.176 1.154 164.6 13.1 21.3
2010 01 01 06 10.83 +38 24.6 0.178 1.155 163.0 14.4 21.4
2010 01 02 06 02.40 +38 52.1 0.181 1.157 161.2 15.9 21.5
2010 01 03 05 54.19 +39 16.0 0.185 1.158 159.3 17.5 21.6
2010 01 04 05 46.23 +39 36.4 0.188 1.159 157.3 19.1 21.7
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-Y28
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