MPEC 2003-A07 : 2002 YB12
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M.P.E.C. 2003-A07 Issued 2003 Jan. 2, 15:44 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 YB12
Observations:
K02Y12B* C2002 12 31.22446 05 25 19.51 +22 56 05.2 19.4 704
K02Y12B C2002 12 31.25446 05 25 15.05 +22 55 40.8 19.5 704
K02Y12B C2002 12 31.26943 05 25 12.86 +22 55 28.6 19.0 704
K02Y12B C2002 12 31.28578 05 25 10.35 +22 55 14.6 19.6 704
K02Y12B C2003 01 01.25522 05 22 49.65 +22 41 39.0 20.2 R 446
K02Y12B C2003 01 01.26410 05 22 48.39 +22 41 29.9 19.5 704
K02Y12B C2003 01 01.27903 05 22 46.19 +22 41 17.5 19.7 704
K02Y12B IC2003 01 01.28918 05 22 44.50 +22 41 11.6 446
K02Y12B C2003 01 01.29419 05 22 43.92 +22 41 04.4 19.6 704
K02Y12B C2003 01 01.32430 05 22 39.51 +22 40 38.1 20.0 704
K02Y12B C2003 01 01.33624 05 22 37.75 +22 40 30.0 20.0 R 926
K02Y12B C2003 01 01.34171 05 22 37.09 +22 40 24.2 19.5 R 926
K02Y12B C2003 01 02.13310 05 20 43.52 +22 29 07.5 20.1 V 291
K02Y12B C2003 01 02.15088 05 20 40.87 +22 28 52.3 19.7 R 858
K02Y12B C2003 01 02.15814 05 20 39.83 +22 28 46.5 20.2 V 291
K02Y12B C2003 01 02.16209 05 20 39.15 +22 28 43.2 19.4 R 858
K02Y12B C2003 01 02.18306 05 20 36.16 +22 28 25.3 20.1 V 291
K02Y12B C2003 01 02.22310 05 20 30.15 +22 27 50.9 20.0 R 926
K02Y12B C2003 01 02.22556 05 20 29.79 +22 27 48.8 20.8 R 926
K02Y12B C2003 01 02.22799 05 20 29.46 +22 27 47.9 19.4 R 926
Observer details:
291 LPL/Spacewatch II. Observer M. Block. 1.8-m f/2.7 reflector + CCD.
446 Kingsnake Observatory. Observer J. McClusky. 0.45-m f/4.5 Newtonian
+ CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams, D. Torres, T. Brothers,
S. Partridge. Measurers J. Stuart, R. Sayer, J. Evans, P. Hopman. 1.0-m
f/2.15 reflector + CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.3-m f/3.3
Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. 0.81-m
f/7 Ritchey-Chretien + CCD.
Orbital elements:
2002 YB12
Epoch 2003 Jan. 1.0 TT = JDT 2452640.5 MPC
M 298.78680 (2000.0) P Q
n 0.45295372 Peri. 306.60533 -0.76447460 +0.59579451
a 1.6791912 Node 271.28498 -0.48433272 -0.78285214
e 0.5523660 Incl. 14.25559 -0.42544142 -0.17936398
P 2.18 H 19.0 G 0.15
From 19 observations 2002 Dec. 31-2003 Jan. 2.
Ephemeris:
2002 YB12 a,e,i = 1.68, 0.55, 14 q = 0.7517
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 01 01 05 23.45 +22 45.3 0.764 1.725 161.5 10.4 20.3
2003 01 11 05 00.55 +20 16.3 0.744 1.652 145.7 19.6 20.4
2003 01 21 04 42.20 +17 44.7 0.746 1.576 130.8 28.2 20.6
2003 01 31 04 30.05 +15 27.7 0.761 1.497 117.4 35.8 20.7
2003 02 10 04 24.39 +13 33.5 0.782 1.415 105.6 42.2 20.9
2003 02 20 04 24.61 +12 01.5 0.802 1.330 95.4 47.7 20.9
2003 03 02 04 29.77 +10 46.1 0.813 1.243 86.5 52.7 21.0
2003 03 12 04 39.01 +09 40.3 0.812 1.156 78.9 57.5 20.9
2003 03 22 04 51.44 +08 36.2 0.796 1.068 72.2 62.6 20.9
2003 04 01 05 06.18 +07 27.5 0.762 0.983 66.3 68.5 20.8
2003 04 11 05 22.19 +06 08.8 0.709 0.904 61.0 75.7 20.7
2003 04 21 05 37.87 +04 38.2 0.636 0.835 55.9 85.0 20.6
2003 05 01 05 50.77 +03 01.8 0.547 0.784 50.6 96.8 20.6
2003 05 11 05 56.96 +01 40.2 0.447 0.755 44.1 111.6 20.9
2003 05 21 05 50.16 +01 21.9 0.346 0.755 35.0 129.8 21.8
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-A07
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