MPEC 2009-U107: 2009 UM28
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M.P.E.C. 2009-U107 Issued 2009 Oct. 27, 01:12 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 UM28
Observations:
K09U28M* C2009 10 26.21425 00 32 28.24 -00 36 37.5 19.6 V EU107G96
K09U28M C2009 10 26.22168 00 32 28.68 -00 35 41.7 19.5 V EU107G96
K09U28M C2009 10 26.22915 00 32 29.11 -00 34 45.6 19.4 V EU107G96
K09U28M C2009 10 26.25018 00 32 30.26 -00 32 07.6 20.7 V EU107G96
K09U28M C2009 10 26.25080 00 32 30.30 -00 32 03.1 20.6 V EU107G96
K09U28M C2009 10 26.25142 00 32 30.37 -00 31 58.3 20.5 V EU107G96
K09U28M C2009 10 26.25205 00 32 30.40 -00 31 53.4 20.6 V EU107G96
K09U28M C2009 10 26.27852 00 32 31.60 -00 28 36.7 18.9 R EU107H01
K09U28M C2009 10 26.28476 00 32 31.95 -00 27 49.5 19.2 R EU107H01
K09U28M C2009 10 26.29294 00 32 32.44 -00 26 48.3 19.4 R EU107H01
K09U28M C2009 10 26.29712 00 32 32.74 -00 26 16.2 19.4 R EU107H01
K09U28M C2009 10 26.30063 00 32 32.93 -00 25 50.1 19.2 R EU107H01
K09U28M C2009 10 26.30172 00 32 33.37 -00 25 37.9 19.6 R EU107854
K09U28M C2009 10 26.30818 00 32 33.64 -00 24 50.5 19.4 V EU107G96
K09U28M C2009 10 26.30881 00 32 33.68 -00 24 46.1 19.7 V EU107G96
K09U28M C2009 10 26.30943 00 32 33.72 -00 24 41.2 19.7 V EU107G96
K09U28M C2009 10 26.31013 00 32 33.79 -00 24 36.2 19.7 V EU107G96
K09U28M C2009 10 26.31837 00 32 34.24 -00 23 33.4 19.9 R EU107854
K09U28M C2009 10 26.32670 00 32 34.80 -00 22 30.9 19.9 R EU107854
K09U28M `C2009 10 26.46622 00 32 52.44 -00 03 15.3 18.7 C EU107D90
K09U28M `C2009 10 26.47912 00 32 53.22 -00 01 37.5 19.0 C EU107D90
K09U28M `C2009 10 26.49201 00 32 53.98 -00 00 00.2 19.2 C EU107D90
K09U28M `C2009 10 26.50497 00 32 54.76 +00 01 38.2 18.4 C EU107D90
K09U28M C2009 10 26.87847 00 33 28.48 +00 47 09.4 19.3 R EU107473
K09U28M C2009 10 26.87986 00 33 28.55 +00 47 20.1 19.3 R EU107473
K09U28M C2009 10 26.88119 00 33 28.84 +00 47 32.8 19.0 C EU107B33
K09U28M C2009 10 26.88513 00 33 29.09 +00 48 03.1 19.1 C EU107B33
K09U28M C2009 10 26.88710 00 33 29.21 +00 48 18.3 19.3 C EU107B33
K09U28M C2009 10 26.88958 00 33 29.18 +00 48 34.1 19.3 R EU107473
K09U28M C2009 10 26.89507 00 33 29.85 +00 49 16.2 EU107587
K09U28M C2009 10 26.93766 00 33 32.60 +00 54 43.2 EU107587
K09U28M C2009 10 26.99928 00 33 36.97 +01 02 37.0 EU107204
K09U28M C2009 10 27.01191 00 33 37.89 +01 04 14.0 19.5 C EU107204
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
473 Remanzacco. Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
V. Santini, G. Sostero. 0.45-m f/4.4 Newtonian reflector + CCD.
587 Sormano. Observers F. Manca, A. Testa. Measurer F. Manca. 0.5-m f/7
reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
B33 Libbiano Observatory, Peccioli. Observers P. Bacci, F. Biasci. Measurer
P. Bacci. 0.5-m f/8 Ritchey-Chretien + CCD.
D90 RAS Observatory, Moorook. Observer K. Hills. 0.41-m f/9 Ritchey-Chretien
+ CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. 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 UM28 Earth MOID = 0.0839 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 22.29797 (2000.0) P Q
n 0.37974509 Peri. 9.51260 +0.74114937 -0.66621342
a 1.8886056 Node 32.74783 +0.60544165 +0.60999906
e 0.4312815 Incl. 8.80559 +0.29006554 +0.42902310
P 2.60 H 23.6 G 0.15 U 7
Residuals in seconds of arc
091026 G96 0.0 0.2+ 091026 H01 0.3- 0.4- 091026 D90 0.0 0.3-
091026 G96 0.3+ 0.2+ 091026 854 1.5+ 1.3+ 091026 473 0.6+ 0.5+
091026 G96 0.4+ 0.1+ 091026 G96 0.2- 0.2+ 091026 473 0.3+ 0.5+
091026 G96 0.2- 0.0 091026 G96 0.2- 0.1- 091026 B33 0.2+ 0.1+
091026 G96 0.2- 0.2- 091026 G96 0.2- 0.1+ 091026 B33 0.1+ 0.1+
091026 G96 0.3+ 0.1- 091026 G96 0.2+ 0.2- 091026 B33 0.0 0.2+
091026 G96 0.3+ 0.1+ 091026 854 0.5- 0.3+ 091026 473 0.1+ 0.0
091026 H01 0.3- 0.4- 091026 854 0.1+ 0.0 091026 587 0.1+ 0.3-
091026 H01 0.6- 0.2- 091026 D90 0.3+ 0.0 091026 587 1.2- 0.3-
091026 H01 0.6- 0.7- 091026 D90 0.1+ 0.0 091026 204 0.0 0.1-
091026 H01 0.1+ 0.1- 091026 D90 0.1- 0.4- 091027 204 0.1+ 0.3-
Ephemeris:
2009 UM28 a,e,i = 1.89, 0.43, 9 q = 1.0741
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 10 26 00 32.14 -01 02.6 0.0957 1.081 154.1 23.7 19.8
2009 11 05 00 52.37 +21 41.8 0.0913 1.074 153.7 24.1 19.7
2009 11 15 01 25.06 +41 44.0 0.105 1.078 146.1 30.8 20.2
2009 11 25 02 09.75 +53 40.2 0.133 1.093 140.6 34.9 20.9
2009 12 05 02 59.83 +58 53.5 0.169 1.118 138.9 35.4 21.4
2009 12 15 03 45.66 +59 55.8 0.211 1.152 139.1 34.0 21.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-U107
Read MPEC 2009-U106
Read MPEC 2009-U108
