MPEC 2009-W88 : 2009 WA54
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M.P.E.C. 2009-W88 Issued 2009 Nov. 24, 12:20 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 WA54
Observations:
K09W54A* C2009 11 23.42878 06 19 53.29 +41 35 26.6 20.1 V EW088G96
K09W54A C2009 11 23.43187 06 19 53.97 +41 33 53.8 20.1 V EW088G96
K09W54A C2009 11 23.43494 06 19 54.66 +41 32 17.4 19.7 V EW088G96
K09W54A C2009 11 23.43795 06 19 55.30 +41 30 46.1 20.7 V EW088G96
K09W54A C2009 11 23.49880 06 20 09.63 +40 59 15.5 EW088G96
K09W54A C2009 11 23.49926 06 20 09.70 +40 59 00.4 EW088G96
K09W54A C2009 11 23.49969 06 20 09.78 +40 58 48.4 19.5 V EW088G96
K09W54A C2009 11 23.50014 06 20 09.90 +40 58 33.6 19.9 V EW088G96
K09W54A C2009 11 23.54481 06 20 21.54 +40 35 32.7 EW088926
K09W54A C2009 11 24.02475 06 23 37.55 +36 47 16.3 20.0 R EW088J95
K09W54A C2009 11 24.02966 06 23 38.55 +36 45 05.7 EW088J95
K09W54A C2009 11 24.03723 06 23 39.98 +36 41 46.3 20.5 R EW088J95
Observer details:
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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 WA54 Earth MOID = 0.0175 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 31.79569 (2000.0) P Q
n 0.49725581 Peri. 150.38021 +0.81161115 -0.57399296
a 1.5779121 Node 245.04782 +0.50965209 +0.78664173
e 0.3810494 Incl. 6.88688 +0.28555575 +0.22743540
P 1.98 H 26.8 G 0.15 U 8
Residuals in seconds of arc
091123 G96 0.0 1.9- 091123 G96 0.2- 0.5+ 091123 926 0.1+ 0.2+
091123 G96 0.2- 1.0+ 091123 G96 0.7- 0.3- 091124 J95 0.7- 0.0
091123 G96 0.2- 0.2- 091123 G96 1.0- 1.1+ 091124 J95 0.1- 0.3-
091123 G96 0.6- 1.9+ 091123 G96 1.0- 0.3+ 091124 J95 0.5- 1.0+
Ephemeris:
2009 WA54 a,e,i = 1.58, 0.38, 7 q = 0.9766
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 25 06 27.57 +30 17.9 0.0267 1.009 146.1 33.1 20.3
2009 11 26 06 30.44 +24 57.7 0.0299 1.012 146.8 32.3 20.6
2009 11 27 06 32.48 +20 41.5 0.0334 1.015 147.0 31.9 20.8
2009 11 28 06 33.97 +17 14.3 0.0370 1.018 147.1 31.8 21.0
2009 11 29 06 35.08 +14 24.6 0.0407 1.021 147.1 31.7 21.2
2009 11 30 06 35.91 +12 04.1 0.0445 1.024 147.1 31.5 21.4
2009 12 01 06 36.52 +10 06.4 0.0484 1.027 147.1 31.4 21.6
2009 12 02 06 36.96 +08 26.9 0.0524 1.030 147.2 31.2 21.8
2009 12 03 06 37.26 +07 02.0 0.0564 1.034 147.3 31.0 22.0
2009 12 04 06 37.46 +05 49.1 0.0605 1.037 147.5 30.7 22.1
2009 12 05 06 37.56 +04 46.0 0.0646 1.041 147.7 30.4 22.2
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-W88
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