MPEC 2009-W93 : 2009 WG54
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M.P.E.C. 2009-W93 Issued 2009 Nov. 24, 16:30 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 WG54
Observations:
K09W54G* C2009 11 23.27943 03 39 53.85 +15 51 01.9 20.3 V EW093G96
K09W54G C2009 11 23.28534 03 39 52.95 +15 51 08.0 20.5 V EW093G96
K09W54G C2009 11 23.29112 03 39 52.16 +15 51 13.5 20.6 V EW093G96
K09W54G C2009 11 23.29700 03 39 51.33 +15 51 19.5 20.6 V EW093G96
K09W54G C2009 11 23.34740 03 39 44.24 +15 52 09.1 20.5 V EW093G96
K09W54G C2009 11 23.34877 03 39 44.02 +15 52 10.1 20.5 V EW093G96
K09W54G C2009 11 23.35022 03 39 43.84 +15 52 11.9 20.5 V EW093G96
K09W54G C2009 11 23.35165 03 39 43.63 +15 52 12.9 20.4 V EW093G96
K09W54G C2009 11 23.42331 03 39 33.61 +15 53 23.3 21.1 R EW093926
K09W54G C2009 11 23.42708 03 39 33.06 +15 53 27.6 21.2 R EW093926
K09W54G C2009 11 23.43084 03 39 32.56 +15 53 30.4 20.8 R EW093926
K09W54G HC2009 11 24.18304 03 37 52.21 +16 05 58.2 EW093291
K09W54G HC2009 11 24.18698 03 37 51.77 +16 06 04.7 EW093291
K09W54G HC2009 11 24.19093 03 37 51.26 +16 06 10.7 EW093291
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + 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. Observer 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.
Orbital elements:
2009 WG54 Earth MOID = 0.3322 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 305.92734 (2000.0) P Q
n 0.53183287 Peri. 94.02759 -0.89758590 -0.37556279
a 1.5087569 Node 64.04412 +0.22732536 -0.84298540
e 0.1958885 Incl. 14.87724 +0.37770721 -0.38513402
P 1.85 H 21.0 G 0.15 U 9
Residuals in seconds of arc
091123 G96 0.6+ 0.0 091123 G96 0.3- 0.2- 091123 926 0.1+ 0.4-
091123 G96 0.4- 0.2+ 091123 G96 0.1+ 0.1+ 091124 291 1.3- 2.3-
091123 G96 0.0 0.0 091123 G96 0.0 0.3- 091124 291 0.3+ 0.2+
091123 G96 0.0 0.2+ 091123 926 0.1+ 0.2- 091124 291 1.0+ 2.2+
091123 G96 0.1+ 0.1+ 091123 926 0.3- 0.5+
Ephemeris:
2009 WG54 a,e,i = 1.51, 0.20, 15 q = 1.2132
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 25 03 36.01 +16 19.7 0.507 1.491 172.3 5.1 20.8
2009 12 05 03 13.60 +19 11.4 0.501 1.463 158.3 14.4 21.1
2009 12 15 02 54.43 +22 02.2 0.516 1.435 144.3 23.6 21.5
2009 12 25 02 41.60 +24 46.0 0.545 1.407 131.8 31.4 21.8
2010 01 04 02 36.31 +27 23.8 0.585 1.380 121.2 37.5 22.0
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W93
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