MPEC 2009-U30 : 2009 UM1
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Read MPEC 2009-U29
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M.P.E.C. 2009-U30 Issued 2009 Oct. 18, 23:51 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 UM1
Observations:
K09U01M* C2009 10 17.26918 01 22 25.82 -00 12 43.9 20.9 V EU030G96
K09U01M C2009 10 17.27622 01 22 23.30 -00 13 16.5 21.0 V EU030G96
K09U01M C2009 10 17.28329 01 22 20.78 -00 13 49.3 21.4 V EU030G96
K09U01M C2009 10 17.29036 01 22 18.26 -00 14 22.2 20.9 V EU030G96
K09U01M C2009 10 17.31642 01 22 09.01 -00 16 23.1 21.4 V EU030G96
K09U01M C2009 10 17.31715 01 22 08.72 -00 16 27.2 20.8 V EU030G96
K09U01M C2009 10 17.31789 01 22 08.50 -00 16 29.8 20.9 V EU030G96
K09U01M C2009 10 17.31863 01 22 08.18 -00 16 34.6 20.9 V EU030G96
K09U01M C2009 10 17.42473 01 21 30.35 -00 24 49.5 20.6 R EU030H01
K09U01M C2009 10 17.43177 01 21 27.86 -00 25 22.4 20.5 R EU030H01
K09U01M C2009 10 17.43999 01 21 24.95 -00 26 01.2 20.5 R EU030H01
K09U01M C2009 10 18.23270 01 16 47.56 -01 29 14.7 20.1 R EU030H01
K09U01M C2009 10 18.23699 01 16 45.97 -01 29 35.7 20.5 R EU030H01
K09U01M C2009 10 18.24429 01 16 43.22 -01 30 11.1 20.8 R EU030H01
K09U01M tC2009 10 18.24935 01 16 41.57 -01 30 34.1 21.8 V EU030291
K09U01M C2009 10 18.25016 01 16 41.00 -01 30 40.0 20.6 R EU030H01
K09U01M tC2009 10 18.25307 01 16 39.90 -01 30 54.3 21.3 V EU030291
K09U01M tC2009 10 18.26033 01 16 37.43 -01 31 27.7 21.7 V EU030291
K09U01M C2009 10 18.27189 01 16 32.03 -01 32 30.1 21.1 V EU030H55
K09U01M C2009 10 18.28118 01 16 28.53 -01 33 15.4 21.2 V EU030H55
K09U01M C2009 10 18.39271 01 15 47.33 -01 42 18.3 20.8 R EU030926
K09U01M C2009 10 18.39752 01 15 45.48 -01 42 41.8 21.2 R EU030926
K09U01M C2009 10 18.40233 01 15 43.76 -01 43 05.5 21.2 R EU030926
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 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. Observers R. Hill, 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. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer K. Dankov. 0.61-m f/4.5 astrograph + CCD.
Orbital elements:
2009 UM1 Earth MOID = 0.0625 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 358.42554 (2000.0) P Q
n 1.03898731 Peri. 333.81624 -0.97465138 -0.22092002
a 0.9654487 Node 193.56185 +0.22244271 -0.93996579
e 0.5976261 Incl. 8.66830 +0.02395678 -0.26011277
P 0.95 H 23.5 G 0.15 U 9
Residuals in seconds of arc
091017 G96 0.1- 0.2+ 091017 H01 0.5+ 0.0 091018 291 (3.4- 1.6-)
091017 G96 0.3- 0.2+ 091017 H01 0.4+ 0.0 091018 291 0.6+ 0.5+
091017 G96 0.3- 0.3+ 091017 H01 0.3+ 0.3- 091018 H55 1.2- 0.8-
091017 G96 0.3- 0.2+ 091018 H01 0.7- 0.4- 091018 H55 1.3- 0.6-
091017 G96 0.5+ 0.4+ 091018 H01 0.3- 0.4- 091018 926 0.3+ 0.2-
091017 G96 0.0 0.3- 091018 H01 0.4- 0.1- 091018 926 0.3- 0.0
091017 G96 0.7+ 0.5+ 091018 291 0.6+ 0.4+ 091018 926 1.1+ 0.0
091017 G96 0.1- 0.9- 091018 H01 0.5- 0.3-
Ephemeris:
2009 UM1 a,e,i = 0.97, 0.60, 9 q = 0.3885
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 16 01 29.38 +01 22.3 0.219 1.215 172.4 6.2 21.1
2009 10 17 01 23.95 +00 08.3 0.213 1.207 170.9 7.5 21.1
2009 10 18 01 18.18 -01 09.9 0.206 1.199 168.8 9.3 21.1
2009 10 19 01 12.06 -02 32.5 0.200 1.192 166.3 11.4 21.1
2009 10 20 01 05.57 -03 59.5 0.195 1.184 163.5 13.8 21.1
2009 10 21 00 58.72 -05 30.6 0.189 1.176 160.5 16.4 21.1
2009 10 22 00 51.47 -07 05.8 0.185 1.168 157.4 19.1 21.1
2009 10 23 00 43.84 -08 44.8 0.180 1.160 154.0 22.1 21.2
2009 10 24 00 35.80 -10 27.1 0.176 1.151 150.6 25.1 21.2
2009 10 25 00 27.38 -12 12.4 0.173 1.143 147.0 28.3 21.2
2009 10 26 00 18.55 -13 59.9 0.169 1.135 143.3 31.6 21.3
2009 10 27 00 09.33 -15 49.1 0.167 1.126 139.5 34.9 21.3
2009 10 28 23 59.74 -17 39.1 0.165 1.117 135.7 38.4 21.4
2009 10 29 23 49.78 -19 29.0 0.163 1.109 131.8 41.9 21.4
2009 10 30 23 39.48 -21 17.9 0.162 1.100 127.9 45.5 21.5
2009 10 31 23 28.87 -23 05.1 0.161 1.091 123.9 49.1 21.6
2009 11 01 23 17.97 -24 49.4 0.160 1.082 119.9 52.7 21.6
2009 11 02 23 06.83 -26 30.1 0.161 1.072 116.0 56.3 21.7
2009 11 03 22 55.48 -28 06.6 0.161 1.063 112.1 59.9 21.8
2009 11 04 22 43.98 -29 38.0 0.162 1.054 108.2 63.4 21.9
2009 11 05 22 32.36 -31 03.9 0.163 1.044 104.4 66.9 22.0
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-U30
Read MPEC 2009-U29
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