MPEC 2007-X01 : 2003 BH84
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M.P.E.C. 2007-X01 Issued 2007 Dec. 1, 00:40 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
2003 BH84
Revision to MPEC 2003-C35
Additional Observations:
K03B84H C2007 11 29.12978 23 54 49.06 +79 15 50.1 16.3 EX001704
K03B84H C2007 11 29.14219 23 55 17.59 +79 14 48.2 16.6 EX001704
K03B84H C2007 11 29.15494 23 55 46.89 +79 13 44.2 16.7 EX001704
K03B84H C2007 11 29.16778 23 56 16.15 +79 12 39.5 16.5 EX001704
K03B84H C2007 11 29.18071 23 56 45.56 +79 11 34.0 16.8 EX001704
K03B84H C2007 11 30.13635600 29 10.99 +77 45 28.4 17.6 V EX001H55
K03B84H C2007 11 30.14211300 29 21.13 +77 44 56.3 17.1 V EX001H55
K03B84H C2007 11 30.15226500 29 38.77 +77 43 58.4 17.2 V EX001H55
K03B84H C2007 11 30.16158100 29 55.22 +77 43 02.5 17.1 V EX001H55
K03B84H C2007 11 30.82213 00 47 46.15 +76 38 00.7 16.6 V EX001J87
K03B84H C2007 11 30.82501 00 47 48.85 +76 37 41.6 15.8 R EX001130
K03B84H C2007 11 30.82507 00 47 50.38 +76 37 43.1 16.6 V EX001J87
K03B84H C2007 11 30.82734 00 47 52.34 +76 37 27.9 15.7 R EX001130
K03B84H C2007 11 30.82798 00 47 54.57 +76 37 25.4 16.6 V EX001J87
K03B84H C2007 11 30.83084 00 47 57.31 +76 37 06.5 16.4 R EX001130
K03B84H C2007 11 30.83434 00 48 02.24 +76 36 45.3 16.5 R EX001130
K03B84H C2007 11 30.97422 00 51 20.41 +76 22 25.4 16.8 V EX001595
K03B84H C2007 11 30.97663 00 51 23.74 +76 22 10.1 16.6 V EX001595
Observer details:
130 Lumezzane. Observers M. Casali, W. Marinello, M. Micheli, G. Pizzetti,
A. Soffiantini. Measurer W. Marinello. 0.40-m f/4.5 reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.30-m f/4.5 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
H55 Astronomical Research Observatory, Charleston. Observer R. Holmes.
Measurer M. Parham. 0.61-m f/4.0 astrograph + CCD.
J87 La Canada. Observer J. Lacruz. 0.40-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
071129 70418.99-20.29+ 071130 59519.75-18.55+ MPO 57912 +16.0 day
Orbital elements:
2003 BH84 Earth MOID = 0.3055 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 9.76440 (2000.0) P Q
n 0.35931310 Peri. 35.29783 +0.70534767 +0.59420947
a 1.9595395 Node 283.43406 -0.70663917 +0.54626693
e 0.7182773 Incl. 23.41550 -0.05608693 +0.59034528
P 2.74 H 17.1 G 0.15 U 4
Residuals in seconds of arc
030125 809 0.3- 0.0 030206 809 0.1+ 0.1+ 071130 J87 0.0 0.1-
030125 809 0.3- 0.2+ 071129 704 0.3- 0.3- 071130 130 0.0 0.1-
030125 809 0.4- 0.2+ 071129 704 0.2- 0.2- 071130 J87 0.0 0.1+
030125 809 0.3- 0.2+ 071129 704 0.1+ 0.3- 071130 130 0.5+ 0.3+
030130 809 0.3+ 0.3- 071129 704 0.0 0.3- 071130 J87 0.1+ 0.1-
030130 809 0.1+ 0.2- 071129 704 0.0 0.3- 071130 130 0.2+ 0.1+
030130 809 0.2+ 0.2- 071130 H55 0.7- 0.7- 071130 130 0.1- 0.2+
030206 809 0.1+ 0.0 071130 H55 0.3- 0.5+ 071130 595 0.3+ 0.1+
030206 809 0.3+ 0.0 071130 H55 0.2- 1.4+ 071130 595 0.1+ 0.2-
030206 809 0.3+ 0.1- 071130 H55 0.7+ 0.4-
Ephemeris:
2003 BH84 a,e,i = 1.96, 0.72, 23 q = 0.5520
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 11 26 21 02.30 +81 26.2 0.316 1.127 108.3 56.3 16.9
2007 12 06 02 00.97 +67 30.3 0.371 1.248 128.0 38.4 17.0
2007 12 16 02 45.37 +52 38.4 0.470 1.366 137.0 29.5 17.4
2007 12 26 03 05.62 +42 38.8 0.601 1.478 136.4 27.3 18.1
2008 01 05 03 20.51 +36 07.7 0.756 1.586 130.9 27.9 18.7
2008 01 15 03 33.94 +31 50.1 0.930 1.688 123.9 28.9 19.3
2008 01 25 03 47.11 +28 57.5 1.117 1.787 116.4 29.6 19.9
2008 02 04 04 00.37 +26 59.9 1.314 1.881 108.9 29.7 20.4
2008 02 14 04 13.92 +25 38.3 1.518 1.970 101.6 29.4 20.8
2008 02 24 04 27.76 +24 40.3 1.727 2.056 94.5 28.7 21.1
2008 03 05 04 41.87 +23 57.8 1.938 2.138 87.5 27.6 21.4
2008 03 15 04 56.22 +23 25.0 2.148 2.217 80.7 26.3 21.7
2008 03 25 05 10.75 +22 57.8 2.355 2.292 74.1 24.7 21.9
(Last issue was M.P.E.C. 2007-W80)
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-X01
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