MPEC 2009-U20 : 2009 UM
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M.P.E.C. 2009-U20 Issued 2009 Oct. 17, 12:39 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 UM
Observations:
K09U00M* C2009 10 16.44125 04 53 26.01 +23 32 21.8 20.7 V EU020G96
K09U00M C2009 10 16.44685 04 53 25.18 +23 32 31.5 20.5 V EU020G96
K09U00M C2009 10 16.45250 04 53 24.28 +23 32 40.9 21.0 V EU020G96
K09U00M C2009 10 16.45821 04 53 23.49 +23 32 50.4 20.6 V EU020G96
K09U00M C2009 10 16.48553 04 53 19.35 +23 33 36.7 20.9 V EU020G96
K09U00M C2009 10 16.49097 04 53 18.56 +23 33 46.1 20.9 V EU020G96
K09U00M C2009 10 16.50164 04 53 17.01 +23 34 04.4 20.0 V EU020G96
K09U00M 6C2009 10 16.59274 04 53 04.16 +23 36 42.8 21.6 R EU020F65
K09U00M C2009 10 16.69249 04 52 50.27 +23 39 47.4 20.9 R EU020E10
K09U00M C2009 10 17.05892 04 51 57.46 +23 49 41.0 EU020J95
K09U00M C2009 10 17.07153 04 51 55.44 +23 50 03.8 20.7 R EU020J95
K09U00M C2009 10 17.24684 04 51 30.31 +23 55 04.2 20.5 R EU020H01
K09U00M C2009 10 17.25223 04 51 29.50 +23 55 13.5 20.5 R EU020H01
K09U00M C2009 10 17.25812 04 51 28.61 +23 55 23.6 20.5 R EU020H01
K09U00M C2009 10 17.41500 04 51 04.35 +23 59 53.7 20.5 R EU020926
K09U00M C2009 10 17.41911 04 51 03.83 +24 00 00.3 EU020926
K09U00M C2009 10 17.42322 04 51 03.11 +24 00 07.6 21.0 R EU020926
K09U00M C2009 10 17.47110 04 50 55.57 +24 01 29.4 20.7 V EU020G96
K09U00M C2009 10 17.47171 04 50 55.46 +24 01 30.7 20.8 V EU020G96
K09U00M C2009 10 17.47728 04 50 54.60 +24 01 40.0 20.6 V EU020G96
K09U00M C2009 10 17.47796 04 50 54.49 +24 01 40.8 20.2 V EU020G96
K09U00M C2009 10 17.48361 04 50 53.59 +24 01 50.5 21.1 V EU020G96
K09U00M C2009 10 17.48425 04 50 53.52 +24 01 51.8 20.7 V EU020G96
K09U00M C2009 10 17.48981 04 50 52.62 +24 02 01.1 20.7 V EU020G96
K09U00M C2009 10 17.49043 04 50 52.51 +24 02 02.0 21.0 V EU020G96
Observer details:
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. Measurer
P. R. Holvorcem. 0.81-m f/7 Ritchey-Chretien + CCD.
E10 Siding Spring-Faulkes Telescope South. Observer R. Miles. 2.0-m f/10.0
Ritchey-Chretien + CCD.
F65 Haleakala-Faulkes Telescope North. Observer R. Miles. 2.0-m f/10.0
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.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 UM Earth MOID = 0.1860 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 201.46243 (2000.0) P Q
n 0.96632236 Peri. 208.59748 -0.42444195 +0.88367229
a 1.0132611 Node 37.28479 -0.75627082 -0.22609089
e 0.3917383 Incl. 19.01924 -0.49789906 -0.40988559
P 1.02 H 20.6 G 0.15 U 9
Residuals in seconds of arc
091016 G96 0.2+ 0.4- 091017 J95 1.1+ 0.7- 091017 G96 0.2- 0.3+
091016 G96 0.3+ 0.2- 091017 J95 0.4- 0.5+ 091017 G96 0.1+ 0.2+
091016 G96 0.5- 0.3- 091017 H01 0.8- 0.8+ 091017 G96 0.1+ 0.1-
091016 G96 0.4+ 0.4- 091017 H01 0.8- 0.7+ 091017 G96 0.1- 0.0
091016 G96 0.3- 0.1- 091017 H01 0.7- 0.6+ 091017 G96 0.4+ 0.2+
091016 G96 0.0 0.2+ 091017 926 0.9- 0.6- 091017 G96 0.0 0.1+
091016 G96 0.6+ 0.6+ 091017 926 0.9+ 1.0- 091017 G96 0.1- 0.0
091016 F65 0.9- 0.4+ 091017 926 0.1- 0.7-
091016 E10 1.1- 0.8+ 091017 G96 0.0 0.1+
Ephemeris:
2009 UM a,e,i = 1.01, 0.39, 19 q = 0.6163
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 16 04 54.46 +23 20.0 0.440 1.312 127.6 37.0 20.9
2009 10 26 04 24.54 +28 04.9 0.408 1.343 143.1 26.4 20.5
2009 11 05 03 41.60 +32 14.0 0.397 1.368 158.3 15.5 20.1
2009 11 15 02 52.65 +34 37.1 0.412 1.388 162.6 12.3 20.1
2009 11 25 02 09.70 +35 01.4 0.452 1.401 151.4 19.7 20.6
2009 12 05 01 40.21 +34 20.8 0.513 1.408 137.9 28.0 21.1
2009 12 15 01 24.13 +33 29.7 0.586 1.410 125.8 34.5 21.6
2009 12 25 01 18.62 +32 55.9 0.667 1.406 115.5 39.2 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-U20
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