MPEC 2009-W44 : 2009 WD7
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M.P.E.C. 2009-W44 Issued 2009 Nov. 19, 23:18 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 WD7
Observations:
K09W07D* C2009 11 19.37112 03 38 26.88 +28 28 32.3 20.8 V EW044G96
K09W07D C2009 11 19.37699 03 38 29.83 +28 28 25.2 20.4 V EW044G96
K09W07D C2009 11 19.38282 03 38 32.78 +28 28 18.6 20.6 V EW044G96
K09W07D C2009 11 19.38874 03 38 35.70 +28 28 11.2 20.8 V EW044G96
K09W07D C2009 11 19.41477 03 38 48.80 +28 27 39.3 20.7 V EW044G96
K09W07D C2009 11 19.41534 03 38 49.09 +28 27 38.1 20.8 V EW044G96
K09W07D C2009 11 19.41590 03 38 49.34 +28 27 37.8 20.9 V EW044G96
K09W07D C2009 11 19.41648 03 38 49.63 +28 27 36.5 20.8 V EW044G96
K09W07D C2009 11 19.42926 03 38 56.11 +28 27 20.7 21.1 V EW044G96
K09W07D C2009 11 19.42983 03 38 56.36 +28 27 20.2 21.1 V EW044G96
K09W07D C2009 11 19.43041 03 38 56.68 +28 27 19.1 21.1 V EW044G96
K09W07D C2009 11 19.43097 03 38 56.97 +28 27 18.7 22.1 V EW044G96
K09W07D C2009 11 19.92339 03 43 18.23 +28 18 15.1 21.4 V EW044B21
K09W07D C2009 11 19.92844 03 43 20.60 +28 18 09.9 20.7 V EW044B21
K09W07D C2009 11 19.93348 03 43 22.97 +28 18 05.5 20.4 V EW044B21
Observer details:
B21 Gaisberg Observatory, Schaerding. Observer R. Gierlinger. 0.7-m f/3.1
Newtonian reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. 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 WD7 Earth MOID = 0.0177 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 20.29221 (2000.0) P Q
n 0.26568067 Peri. 108.66405 +0.93750884 -0.34736936
a 2.3964190 Node 271.66647 +0.31111050 +0.86291234
e 0.5872141 Incl. 1.16314 +0.15584428 +0.36703791
P 3.71 H 25.6 G 0.15 U 8
Residuals in seconds of arc
091119 G96 0.2- 0.1- 091119 G96 0.2+ 0.2- 091119 G96 0.0 0.2-
091119 G96 0.0 0.2- 091119 G96 0.2- 0.2+ 091119 G96 0.1+ 0.1+
091119 G96 0.4+ 0.3+ 091119 G96 0.2- 0.4- 091119 B21 0.0 0.3-
091119 G96 0.2- 0.0 091119 G96 0.2+ 0.0 091119 B21 0.0 0.3-
091119 G96 0.2+ 0.3+ 091119 G96 0.3- 0.2+ 091119 B21 0.1+ 0.6+
Ephemeris:
2009 WD7 a,e,i = 2.40, 0.59, 1 q = 0.9892
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 11 15 02 45.20 +29 28.7 0.0605 1.048 166.3 12.9 20.4
2009 11 20 03 43.92 +28 17.5 0.0839 1.071 171.3 8.0 20.9
2009 11 25 04 15.05 +26 52.3 0.111 1.097 173.2 6.1 21.5
2009 11 30 04 33.13 +25 44.0 0.140 1.126 175.4 4.1 22.0
2009 12 05 04 44.51 +24 52.1 0.171 1.157 177.5 2.2 22.3
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-W44
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