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M.P.E.C. 2003-A09 Issued 2003 Jan. 2, 16:06 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 YD12
Observations:
K02Y12D* C2002 12 31.23840 05 10 41.42 +21 53 18.3 18.7 704
K02Y12D C2002 12 31.25331 05 10 43.77 +21 51 37.5 18.9 704
K02Y12D C2002 12 31.26828 05 10 46.17 +21 49 55.7 19.0 704
K02Y12D C2002 12 31.28462 05 10 48.77 +21 48 04.5 19.0 704
K02Y12D C2003 01 01.26508 05 13 46.37 +19 56 32.0 19.3 704
K02Y12D C2003 01 01.28002 05 13 48.79 +19 54 49.3 19.4 704
K02Y12D C2003 01 01.29518 05 13 51.24 +19 53 04.3 19.3 704
K02Y12D C2003 01 01.31014 05 13 53.51 +19 51 21.6 19.4 704
K02Y12D C2003 01 01.32529 05 13 56.07 +19 49 35.3 19.5 704
K02Y12D C2003 01 02.13011 05 16 26.24 +18 17 09.2 18.5 R 858
K02Y12D C2003 01 02.13799 05 16 27.54 +18 16 15.3 18.7 R 858
K02Y12D C2003 01 02.23736 05 16 43.89 +18 04 53.4 18.7 R 926
K02Y12D C2003 01 02.23770 05 16 43.96 +18 04 51.3 18.8 R 854
K02Y12D C2003 01 02.23876 05 16 43.86 +18 04 43.2 18.3 R 448
K02Y12D C2003 01 02.23921 05 16 44.66 +18 04 37.9 670
K02Y12D C2003 01 02.23949 05 16 44.28 +18 04 38.9 18.7 R 854
K02Y12D C2003 01 02.24246 05 16 44.46 +18 04 18.2 18.6 R 448
K02Y12D C2003 01 02.24273 05 16 44.77 +18 04 15.7 19.4 R 926
K02Y12D C2003 01 02.24305 05 16 44.84 +18 04 13.1 18.9 R 854
K02Y12D C2003 01 02.24676 05 16 45.17 +18 03 48.4 18.6 R 448
K02Y12D C2003 01 02.24799 05 16 45.62 +18 03 39.3 19.2 R 926
K02Y12D C2003 01 02.33249 05 16 59.80 +17 53 54.0 670
Observer details:
448 Desert Moon Observatory. Observer B. Stevens. 0.3-m Schmidt-Cassegrain
+ CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + 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.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.30-m f/10.0
Schmidt-Cassegrain + 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 YD12
Epoch 2003 Jan. 1.0 TT = JDT 2452640.5 MPC
M 356.63643 (2000.0) P Q
n 0.29682675 Peri. 192.87497 -0.31775194 -0.91385622
a 2.2257037 Node 276.09250 +0.89091141 -0.19651051
e 0.4987397 Incl. 14.72745 +0.32451589 -0.35531736
P 3.32 H 22.1 G 0.15
From 22 observations 2002 Dec. 31-2003 Jan. 2.
Ephemeris:
2002 YD12 a,e,i = 2.23, 0.50, 15 q = 1.1157
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 01 01 05 12.98 +20 27.1 0.149 1.123 158.7 18.5 19.2
2003 01 06 05 28.21 +10 51.2 0.148 1.118 153.9 22.8 19.3
2003 01 11 05 43.51 +01 41.8 0.153 1.116 147.6 28.2 19.5
2003 01 16 05 58.59 -06 16.3 0.164 1.116 141.4 33.3 19.8
2003 01 21 06 13.21 -12 43.7 0.179 1.120 136.3 37.4 20.1
2003 01 26 06 27.24 -17 41.1 0.197 1.127 132.3 40.2 20.4
2003 01 31 06 40.68 -21 19.6 0.218 1.136 129.5 42.0 20.7
2003 02 05 06 53.61 -23 53.1 0.240 1.148 127.5 42.9 21.0
2003 02 10 07 06.11 -25 35.1 0.264 1.163 126.3 43.2 21.2
2003 02 20 07 30.10 -27 06.6 0.316 1.199 125.2 42.3 21.6
2003 03 02 07 53.08 -26 56.6 0.373 1.243 125.1 40.7 22.0
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-A09
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