MPEC 2003-B39 : 2003 BC21
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M.P.E.C. 2003-B39 Issued 2003 Jan. 29, 16:16 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
2003 BC21
Observations:
K03B21C* C2003 01 27.53063 11 06 53.64 -00 13 12.6 20.7 608
K03B21C C2003 01 27.54152 11 06 53.09 -00 13 12.1 20.5 608
K03B21C C2003 01 27.55236 11 06 52.55 -00 13 11.0 20.0 608
K03B21C C2003 01 28.34392 11 06 14.44 -00 12 09.3 19.6 R 651
K03B21C C2003 01 28.34749 11 06 14.23 -00 12 09.3 19.6 R 651
K03B21C C2003 01 28.35009 11 06 14.11 -00 12 08.9 19.9 R 651
K03B21C C2003 01 28.37824 11 06 12.72 -00 12 06.0 18.5 R 673
K03B21C C2003 01 28.38322 11 06 12.48 -00 12 05.6 673
K03B21C C2003 01 28.38727 11 06 12.21 -00 12 05.1 673
K03B21C C2003 01 28.42159 11 06 10.45 -00 12 02.7 18.7 R 926
K03B21C C2003 01 28.42862 11 06 10.07 -00 12 01.7 18.4 R 926
K03B21C C2003 01 28.43541 11 06 09.71 -00 12 01.7 18.6 R 926
K03B21C C2003 01 29.37245 11 05 23.00 -00 10 34.4 19.5 R 673
K03B21C C2003 01 29.37454 11 05 22.89 -00 10 34.2 673
K03B21C C2003 01 29.37662 11 05 22.78 -00 10 33.9 673
Observer details:
608 Haleakala-NEAT/MSSS. Observers R. Bambery, E. Helin, S. Pravdo, M. Hicks,
K. Lawrence, P. Kervin, J. Africano, R. Maeda. 1.2-m reflector + CCD.
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.6-m
reflector + CCD.
926 Tenagra II Observatory. Observers P. R. Holvorcem, M. Schwartz. 0.81-m
f/7 Ritchey-Chretien + CCD.
Orbital elements:
2003 BC21
Epoch 2003 Jan. 21.0 TT = JDT 2452660.5 MPC
M 35.19845 (2000.0) P Q
n 0.20695509 Peri. 120.57231 +0.61346703 -0.78509809
a 2.8306443 Node 291.34207 +0.68956093 +0.58518463
e 0.5444119 Incl. 5.25564 +0.38492069 +0.20292838
P 4.76 H 16.3 G 0.15
From 15 observations 2003 Jan. 27-29.
Ephemeris:
2003 BC21 a,e,i = 2.83, 0.54, 5 q = 1.2896
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2003 01 21 11 11.41 -00 16.2 1.348 2.131 131.3 20.3 19.6
2003 01 31 11 03.97 -00 07.5 1.327 2.196 143.1 15.6 19.5
2003 02 10 10 53.91 +00 23.2 1.327 2.261 155.4 10.5 19.4
2003 02 20 10 42.45 +01 10.5 1.351 2.326 167.4 5.3 19.2
2003 03 02 10 31.01 +02 07.0 1.403 2.389 172.9 2.9 19.2
2003 03 12 10 20.92 +03 04.2 1.483 2.452 163.6 6.6 19.6
2003 03 22 10 13.15 +03 55.1 1.590 2.514 152.1 10.7 20.0
2003 04 01 10 08.16 +04 35.1 1.720 2.575 141.1 14.1 20.3
2003 04 11 10 06.00 +05 02.1 1.869 2.635 130.8 16.7 20.7
2003 04 21 10 06.48 +05 15.5 2.033 2.693 121.1 18.6 20.9
2003 05 01 10 09.24 +05 16.1 2.209 2.751 112.1 19.8 21.2
2003 05 11 10 13.94 +05 04.9 2.393 2.808 103.6 20.5 21.5
2003 05 21 10 20.20 +04 43.1 2.581 2.863 95.6 20.6 21.7
2003 05 31 10 27.72 +04 12.1 2.772 2.918 88.0 20.3 21.8
2003 06 10 10 36.25 +03 32.9 2.962 2.971 80.7 19.7 22.0
Brian G. Marsden (C) Copyright 2003 MPC M.P.E.C. 2003-B39
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