MPEC 2007-U83 : 2007 UM12
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M.P.E.C. 2007-U83 Issued 2007 Oct. 29, 15:53 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
2007 UM12
Observations:
K07U12M* C2007 10 26.24130 22 07 13.08 -06 51 56.7 19.8 V EU083G96
K07U12M C2007 10 26.24863 22 07 16.60 -06 52 09.8 19.8 V EU083G96
K07U12M C2007 10 26.25597 22 07 20.17 -06 52 22.9 19.8 V EU083G96
K07U12M C2007 10 26.26333 22 07 23.77 -06 52 36.7 19.8 V EU083G96
K07U12M C2007 10 26.26874 22 07 26.43 -06 52 45.8 19.8 V EU083G96
K07U12M C2007 10 26.26927 22 07 26.68 -06 52 47.1 19.9 V EU083G96
K07U12M C2007 10 26.26980 22 07 26.94 -06 52 47.9 20.4 V EU083G96
K07U12M C2007 10 26.27034 22 07 27.19 -06 52 48.5 19.5 V EU083G96
K07U12M C2007 10 27.07485 22 14 12.76 -07 16 49.4 19.7 V EU083G96
K07U12M C2007 10 27.07819 22 14 14.38 -07 16 55.5 19.9 V EU083G96
K07U12M C2007 10 27.08154 22 14 16.00 -07 17 01.8 19.6 V EU083G96
K07U12M C2007 10 27.08484 22 14 17.59 -07 17 06.9 19.6 V EU083G96
K07U12M C2007 10 27.11013 22 14 29.54 -07 17 52.9 19.0 R EU083H01
K07U12M C2007 10 27.11067 22 14 29.81 -07 17 53.9 18.9 R EU083H01
K07U12M C2007 10 27.11159 22 14 30.24 -07 17 55.2 19.2 R EU083H01
K07U12M C2007 10 27.11242 22 14 30.64 -07 17 56.9 19.0 R EU083H01
K07U12M C2007 10 27.11582 22 14 32.30 -07 18 03.0 19.3 R EU083H01
K07U12M C2007 10 27.11683 22 14 32.76 -07 18 04.8 19.1 R EU083H01
K07U12M C2007 10 27.11861 22 14 33.60 -07 18 07.4 19.3 R EU083H01
K07U12M C2007 10 27.11964 22 14 34.11 -07 18 09.6 19.0 R EU083H01
K07U12M C2007 10 27.12111 22 14 34.82 -07 18 12.2 19.2 R EU083H01
K07U12M C2007 10 27.47895 22 17 31.96 -07 27 36.0 EU083E12
K07U12M C2007 10 27.49093 22 17 37.71 -07 27 56.9 19.5 R EU083E12
K07U12M C2007 10 28.01744122 22 01.95 -07 43 50.1 19.8 V EU083H55
K07U12M C2007 10 28.02141022 22 03.86 -07 43 56.9 19.8 V EU083H55
K07U12M C2007 10 28.02509422 22 05.63 -07 44 03.1 20.1 V EU083H55
K07U12M C2007 10 28.12572 22 22 54.76 -07 46 47.4 19.4 R EU083H01
K07U12M C2007 10 28.12676 22 22 55.24 -07 46 49.3 19.5 R EU083H01
K07U12M C2007 10 28.12821 22 22 55.93 -07 46 51.3 19.5 R EU083H01
K07U12M C2007 10 28.12938 22 22 56.54 -07 46 53.5 19.5 R EU083H01
K07U12M C2007 10 28.13060 22 22 57.10 -07 46 55.5 19.3 R EU083H01
K07U12M C2007 10 28.89432 22 29 14.28 -08 07 48.2 EU083J95
K07U12M C2007 10 28.90866 22 29 21.12 -08 08 10.7 19.8 R EU083J95
Observer details:
E12 Siding Spring Survey. Observer R. H. McNaught. 0.5-m Uppsala Schmidt
+ 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.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
0.81-m f/4.0 astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 UM12 Earth MOID = 0.0782 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 10.02978 (2000.0) P Q
n 0.43012404 Peri. 152.40667 +0.99649621 -0.01056391
a 1.7380953 Node 208.56693 -0.01071757 +0.96768484
e 0.3923189 Incl. 9.99174 +0.08294838 +0.25194137
P 2.29 H 21.6 G 0.15 U 8
Residuals in seconds of arc
071026 G96 0.2- 0.3- 071027 G96 0.3- 0.2+ 071027 E12 0.0 0.4-
071026 G96 0.8- 0.2- 071027 H01 0.3- 0.0 071028 H55 0.5- 0.2+
071026 G96 0.8- 0.1- 071027 H01 0.2- 0.1- 071028 H55 0.5- 0.1+
071026 G96 0.5- 0.6- 071027 H01 0.4- 0.2+ 071028 H55 0.5- 0.1+
071026 G96 0.2- 0.0 071027 H01 0.3- 0.0 071028 H01 0.7- 0.2+
071026 G96 0.3- 0.3- 071027 H01 0.1+ 0.1- 071028 H01 0.9- 0.0
071026 G96 0.3- 0.2- 071027 H01 0.3- 0.2- 071028 H01 1.0- 0.4+
071026 G96 0.5- 0.2+ 071027 H01 0.5- 0.4+ 071028 H01 0.2- 0.2+
071027 G96 0.6- 0.1+ 071027 H01 0.3- 0.0 071028 H01 0.5- 0.2+
071027 G96 0.4- 0.1- 071027 H01 0.2- 0.1- 071028 J95 0.0 0.3-
071027 G96 0.3- 0.5- 071027 E12 0.1+ 0.0 071028 J95 0.7- 0.1-
Ephemeris:
2007 UM12 a,e,i = 1.74, 0.39, 10 q = 1.0562
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 10 27 22 13.56 -07 14.0 0.163 1.084 119.6 52.9 19.8
2007 11 06 23 32.19 -10 45.7 0.187 1.111 125.9 46.2 19.9
2007 11 16 00 35.01 -11 35.5 0.229 1.146 128.8 42.3 20.3
2007 11 26 01 21.50 -10 38.3 0.286 1.188 129.0 40.2 20.8
2007 12 06 01 56.32 -08 46.5 0.354 1.234 127.7 39.2 21.4
2007 12 16 02 24.02 -06 27.9 0.434 1.285 125.4 38.7 21.9
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-U83
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