MPEC 2009-H24 : 2009 HW2
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M.P.E.C. 2009-H24 Issued 2009 Apr. 20, 17:40 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 HW2
Observations:
K09H02W* C2009 04 19.40537 16 21 47.01 -21 35 58.0 19.3 V EH024G96
K09H02W C2009 04 19.41219 16 21 50.83 -21 35 46.1 19.8 V EH024G96
K09H02W C2009 04 19.41909 16 21 54.64 -21 35 34.2 19.7 V EH024G96
K09H02W C2009 04 19.42582 16 21 58.39 -21 35 22.5 18.9 V EH024G96
K09H02W C2009 04 19.44252 16 22 07.71 -21 34 51.8 19.9 V EH024G96
K09H02W C2009 04 19.44309 16 22 08.03 -21 34 51.3 19.3 V EH024G96
K09H02W C2009 04 19.47226 16 22 24.27 -21 33 58.5 19.6 V EH024G96
K09H02W C2009 04 19.47284 16 22 24.60 -21 33 57.2 19.5 V EH024G96
K09H02W C2009 04 19.47339 16 22 24.96 -21 33 55.9 19.4 V EH024G96
K09H02W tC2009 04 20.42638 16 31 40.76 -21 05 56.9 20.6 V EH024291
K09H02W tC2009 04 20.43069 16 31 43.03 -21 05 48.7 20.1 V EH024291
K09H02W C2009 04 20.43112 16 31 43.15 -21 05 48.9 19.7 V EH024G96
K09H02W C2009 04 20.43227 16 31 43.70 -21 05 47.2 20.4 V EH024G96
K09H02W tC2009 04 20.43498 16 31 45.27 -21 05 41.3 20.9 V EH024291
K09H02W C2009 04 20.44746 16 31 51.05 -21 05 20.9 19.4 R EH024H01
K09H02W C2009 04 20.45268 16 31 53.72 -21 05 11.4 19.3 R EH024H01
K09H02W C2009 04 20.45686 16 31 55.86 -21 05 03.6 19.5 R EH024H01
K09H02W C2009 04 20.46071 16 31 57.83 -21 04 56.5 19.7 R EH024H01
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 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.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2009 HW2 Earth MOID = 0.0518 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 20.55057 (2000.0) P Q
n 0.30158971 Peri. 350.39130 -0.92676074 +0.37473005
a 2.2022082 Node 211.65653 -0.34124082 -0.86907654
e 0.5213074 Incl. 2.87287 -0.15706440 -0.32292935
P 3.27 H 23.9 G 0.15 U 8
Residuals in seconds of arc
090419 G96 0.1+ 0.1- 090419 G96 0.2- 0.3- 090420 G96 0.2- 0.5-
090419 G96 0.3+ 0.0 090419 G96 0.1- 0.1- 090420 291 0.9+ 0.0
090419 G96 0.2- 0.2- 090419 G96 0.6+ 0.2+ 090420 H01 0.0 0.2-
090419 G96 0.2- 0.4- 090420 291 0.7- 0.2- 090420 H01 0.1- 0.2-
090419 G96 0.1+ 0.5+ 090420 291 0.3+ 0.3+ 090420 H01 0.1- 0.1-
090419 G96 0.1+ 0.0 090420 G96 0.3+ 0.1- 090420 H01 0.2- 0.2-
Ephemeris:
2009 HW2 a,e,i = 2.20, 0.52, 3 q = 1.0542
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 04 19 16 17.60 -21 46.0 0.0674 1.059 142.6 35.2 19.6
2009 04 29 17 28.01 -17 14.2 0.0939 1.077 136.0 40.5 20.5
2009 05 09 17 56.76 -14 23.5 0.126 1.107 138.4 37.3 21.1
2009 05 19 18 06.56 -12 56.9 0.162 1.148 145.0 30.4 21.6
2009 05 29 18 06.73 -12 27.0 0.202 1.198 153.7 22.0 21.9
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-H24
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