MPEC 2007-U31 : 2007 UA2
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M.P.E.C. 2007-U31 Issued 2007 Oct. 19, 16:56 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 UA2
Observations:
K07U02A C2007 10 07.33551 01 27 01.18 +08 54 18.0 21.1 V EU031G96
K07U02A C2007 10 07.34113 01 27 00.82 +08 54 16.8 20.0 V EU031G96
K07U02A C2007 10 07.34662 01 27 00.50 +08 54 15.7 20.4 V EU031G96
K07U02A C2007 10 07.35219 01 27 00.10 +08 54 15.0 20.4 V EU031G96
K07U02A* C2007 10 18.27814 01 15 01.81 +08 03 31.2 20.2 V EU031G96
K07U02A C2007 10 18.28360 01 15 01.38 +08 03 29.2 20.5 V EU031G96
K07U02A C2007 10 18.28910 01 15 00.92 +08 03 27.4 20.5 V EU031G96
K07U02A C2007 10 18.29463 01 15 00.47 +08 03 25.0 EU031G96
K07U02A C2007 10 18.33771 01 14 56.97 +08 03 11.9 20.4 V EU031G96
K07U02A C2007 10 18.34138 01 14 56.65 +08 03 10.6 20.7 V EU031G96
K07U02A C2007 10 18.34498 01 14 56.40 +08 03 09.3 20.6 V EU031G96
K07U02A C2007 10 18.34866 01 14 56.07 +08 03 07.9 20.7 V EU031G96
K07U02A C2007 10 18.37772 01 14 53.70 +08 02 59.0 EU031291
K07U02A C2007 10 18.38155 01 14 53.41 +08 02 57.9 EU031291
K07U02A C2007 10 18.38529 01 14 53.05 +08 02 56.3 EU031291
K07U02A C2007 10 19.16515 01 13 55.93 +07 58 44.7 EU031291
K07U02A C2007 10 19.16902 01 13 55.62 +07 58 43.1 EU031291
K07U02A C2007 10 19.17343 01 13 55.27 +07 58 41.9 EU031291
K07U02A C2007 10 19.29660 01 13 45.19 +07 58 01.5 20.6 V EU031G96
K07U02A C2007 10 19.30337 01 13 44.61 +07 57 59.1 20.7 V EU031G96
K07U02A C2007 10 19.30998 01 13 44.11 +07 57 57.4 20.3 V EU031G96
K07U02A C2007 10 19.31659 01 13 43.57 +07 57 55.1 20.6 V EU031G96
Observer details:
291 LPL/Spacewatch II. Observer R. S. McMillan. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observers A. R. Gibbs, 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.
Orbital elements:
2007 UA2 Earth MOID = 0.1349 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 329.92820 (2000.0) P Q
n 0.35527368 Peri. 79.05748 -0.17560870 -0.98443974
a 1.9743646 Node 21.05979 +0.89621264 -0.16252189
e 0.4345238 Incl. 1.00832 +0.40738738 -0.06682096
P 2.77 H 20.9 G 0.15 U 8
Residuals in seconds of arc
071007 G96 0.3+ 0.2- 071018 G96 0.5+ 0.0 071019 291 0.2- 0.1+
071007 G96 0.1+ 0.2- 071018 G96 0.2+ 0.1- 071019 291 0.1- 0.2+
071007 G96 0.3+ 0.0 071018 G96 0.8+ 0.2- 071019 G96 0.3+ 0.5-
071007 G96 0.7- 0.5+ 071018 G96 0.3+ 0.4- 071019 G96 0.0 0.7-
071018 G96 0.5+ 0.1+ 071018 291 0.2- 0.0 071019 G96 0.6+ 0.2-
071018 G96 0.7+ 0.2- 071018 291 0.1+ 0.2+ 071019 G96 0.7+ 0.3-
071018 G96 0.5+ 0.2- 071018 291 0.8- 0.2-
071018 G96 0.5+ 0.8- 071019 291 0.2- 0.4+
Ephemeris:
2007 UA2 a,e,i = 1.97, 0.43, 1 q = 1.1165
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 10 17 01 16.60 +08 10.4 0.470 1.466 177.6 1.6 20.3
2007 10 27 01 03.78 +07 15.3 0.426 1.409 164.4 10.9 20.5
2007 11 06 00 51.51 +06 24.8 0.399 1.354 151.2 20.6 20.6
2007 11 16 00 42.76 +05 56.0 0.383 1.302 139.0 29.9 20.7
2007 11 26 00 39.86 +06 02.9 0.375 1.255 128.3 38.1 20.8
2007 12 06 00 43.82 +06 51.2 0.372 1.212 119.4 45.1 20.9
2007 12 16 00 54.98 +08 22.1 0.370 1.176 112.3 50.7 21.0
2007 12 26 01 13.27 +10 32.5 0.368 1.147 107.2 55.0 21.0
2008 01 05 01 38.49 +13 15.1 0.366 1.127 103.7 57.9 21.1
2008 01 15 02 10.70 +16 20.0 0.365 1.118 101.9 59.4 21.1
2008 01 25 02 49.79 +19 30.1 0.368 1.118 101.6 59.6 21.1
2008 02 04 03 35.04 +22 22.1 0.378 1.129 102.4 58.6 21.2
2008 02 14 04 24.89 +24 31.0 0.396 1.149 103.9 56.6 21.2
2008 02 24 05 16.59 +25 37.9 0.427 1.178 105.6 54.0 21.4
2008 03 05 06 06.97 +25 38.6 0.470 1.215 106.9 51.4 21.6
2008 03 15 06 53.76 +24 42.8 0.527 1.258 107.5 48.9 21.8
Gareth V. Williams (C) Copyright 2007 MPC M.P.E.C. 2007-U31
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