MPEC 2009-S50 : 2009 SG2
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M.P.E.C. 2009-S50 Issued 2009 Sept. 19, 09:30 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 SG2
Observations:
K09S02G* C2009 09 18.72181 02 20 35.30 -37 40 28.7 17.8 V ES050E12
K09S02G C2009 09 18.72824 02 20 30.58 -37 39 53.6 17.6 V ES050E12
K09S02G C2009 09 18.73469 02 20 25.87 -37 39 17.7 17.6 V ES050E12
K09S02G QC2009 09 18.78587 02 19 48.54 -37 34 33.5 17.3 R ES050E12
K09S02G QC2009 09 18.78617 02 19 48.32 -37 34 31.6 17.3 R ES050E12
K09S02G QC2009 09 18.78647 02 19 48.13 -37 34 30.1 17.4 R ES050E12
K09S02G QC2009 09 18.78677 02 19 47.89 -37 34 28.3 17.1 R ES050E12
K09S02G QC2009 09 18.78706 02 19 47.68 -37 34 26.5 17.4 R ES050E12
K09S02G QC2009 09 18.79111 02 19 44.74 -37 34 03.7 17.3 R ES050E12
K09S02G QC2009 09 18.79141 02 19 44.52 -37 34 01.9 17.3 R ES050E12
K09S02G QC2009 09 18.79172 02 19 44.28 -37 34 00.2 17.1 R ES050E12
K09S02G C2009 09 19.12755 02 15 53.29 -37 02 35.9 ES050I21
K09S02G C2009 09 19.15151 02 15 36.04 -37 00 24.2 ES050I21
K09S02G C2009 09 19.16757 02 15 24.22 -36 58 55.0 ES050I21
K09S02G C2009 09 19.18270 02 15 13.23 -36 57 30.8 ES050I21
K09S02G C2009 09 19.22871 02 14 39.41 -36 53 11.1 ES050I21
K09S02G C2009 09 19.24244 02 14 29.33 -36 51 51.0 17.3 C ES050I20
K09S02G C2009 09 19.24767 02 14 25.48 -36 51 21.2 17.3 C ES050I20
K09S02G C2009 09 19.25279 02 14 21.70 -36 50 52.0 17.3 C ES050I20
Observer details:
E12 Siding Spring Survey. Observer G. J. Garradd. 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. 0.5-m Uppsala Schmidt + CCD.
I20 Rio Cuarto. Observer F. D. Mazzone. 0.20-m f/4 Schmidt-Newtonian + CCD.
I21 El Condor Observatory, Cordoba. Observer W. Robledo. Measurer
C. Montivero. 0.20-m f/3.9 Schmidt-Cassegrain + CCD.
Orbital elements:
2009 SG2 PHA, Earth MOID = 0.0306 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 358.56252 (2000.0) P Q
n 0.83742837 Peri. 251.92803 -0.17092748 +0.98290581
a 1.1147332 Node 9.09037 -0.65756751 -0.06209316
e 0.1653095 Incl. 25.65796 -0.73374980 -0.17332225
P 1.18 H 20.0 G 0.15 U 9
Residuals in seconds of arc
090918 E12 0.2- 0.0 090918 E12 0.0 0.1+ 090919 I21 0.4+ 0.4-
090918 E12 0.4- 0.2- 090918 E12 0.1+ 0.1+ 090919 I21 0.4- 0.2-
090918 E12 0.3- 0.1+ 090918 E12 0.1+ 0.3+ 090919 I20 0.0 0.1-
090918 E12 0.1- 0.3- 090918 E12 0.1- 0.2+ 090919 I20 0.0 0.2-
090918 E12 0.1- 0.1- 090919 I21 0.7- 1.1+ 090919 I20 0.2- 0.2-
090918 E12 0.3+ 0.2- 090919 I21 1.0+ 0.2+
090918 E12 0.0 0.1- 090919 I21 0.3- 0.0
Ephemeris:
2009 SG2 a,e,i = 1.11, 0.17, 26 q = 0.9305
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 09 16 02 51.71 -41 14.0 0.153 1.093 121.5 51.7 18.0
2009 09 26 00 55.75 -22 45.6 0.130 1.120 153.7 23.4 16.9
2009 10 06 23 28.82 +00 44.7 0.155 1.147 160.0 17.3 17.2
2009 10 16 22 43.57 +14 44.5 0.216 1.172 140.4 32.8 18.4
2009 10 26 22 24.07 +21 47.4 0.293 1.195 127.4 41.3 19.3
2009 11 05 22 18.87 +25 46.9 0.376 1.217 118.6 45.7 20.0
2009 11 15 22 22.15 +28 25.8 0.460 1.236 111.8 48.0 20.6
2009 11 25 22 31.12 +30 29.2 0.544 1.253 106.2 49.1 21.0
2009 12 05 22 44.21 +32 17.9 0.626 1.268 101.4 49.6 21.3
2009 12 15 23 00.55 +34 01.4 0.704 1.280 97.2 49.7 21.6
2009 12 25 23 19.78 +35 44.6 0.778 1.289 93.3 49.6 21.9
2010 01 04 23 41.63 +37 29.3 0.847 1.295 89.8 49.4 22.0
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-S50
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