MPEC 2010-W57 : 2004 BW1
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M.P.E.C. 2010-W57 Issued 2010 Nov. 30, 10:12 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 https://www.minorplanetcenter.org/iau/mpc.html ISSN 1523-6714
2004 BW1
Revision to MPEC 2004-B09
Additional Observations:
K04B01W C2010 11 11.46552 07 53 20.97 +20 25 38.6 20.1 VrEW057G96
K04B01W C2010 11 11.47126 07 53 21.15 +20 25 40.5 19.9 VrEW057G96
K04B01W C2010 11 11.47704 07 53 21.30 +20 25 42.2 19.9 VrEW057G96
K04B01W C2010 11 11.48275 07 53 21.48 +20 25 44.5 19.6 VrEW057G96
K04B01W C2010 11 28.46301 07 53 00.09 +22 21 22.7 19.3 VrEW057G96
K04B01W C2010 11 28.46912 07 52 59.91 +22 21 25.7 19.5 VrEW057G96
K04B01W C2010 11 28.47523 07 52 59.70 +22 21 28.7 18.9 VrEW057G96
K04B01W C2010 11 29.40660 07 52 26.03 +22 29 12.3 20.2 VoEW057291
K04B01W C2010 11 29.41243 07 52 25.79 +22 29 15.3 20.1 VoEW057291
K04B01W C2010 11 29.41868 07 52 25.52 +22 29 18.6 20.2 VoEW057291
K04B01W C2010 11 29.71988 07 52 14.01 +22 31 48.9 19.9 RoEW057300
K04B01W C2010 11 29.72788 07 52 13.60 +22 31 53.2 20.1 RoEW057300
K04B01W C2010 11 29.73589 07 52 13.25 +22 31 56.6 20.0 RoEW057300
K04B01W C2010 11 29.74389 07 52 12.92 +22 32 00.7 20.4 RoEW057300
K04B01W KC2010 11 30.00983 07 52 02.51 +22 34 11.8 vEW057204
K04B01W KC2010 11 30.02364 07 52 01.91 +22 34 18.7 vEW057204
K04B01W KC2010 11 30.03745 07 52 01.29 +22 34 25.9 19.7 RvEW057204
K04B01W C2010 11 30.39395 07 51 46.49 +22 37 28.7 19.4 RcEW057854
K04B01W C2010 11 30.39979 07 51 46.35 +22 37 32.8 19.2 RcEW057854
K04B01W C2010 11 30.40564 07 51 45.93 +22 37 35.8 19.3 RcEW057854
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, S. Okumura. 1.0-m
f/3.0 reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observers R. A. Kowalski, R. E. Hill. Measurers
J. D. Ahern, 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
101111 G96 13+ 0+ 101130 854 16+ 0- MPO 58118 -13 day
Orbital elements:
2004 BW1 Earth MOID = 0.1318 AU
Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC
M 348.18049 (2000.0) P Q
n 0.28017151 Peri. 294.80661 +0.97679265 -0.20135922
a 2.3130591 Node 76.87711 +0.21339974 +0.88571473
e 0.5201182 Incl. 4.29942 +0.01834846 +0.41828683
P 3.52 H 19.0 G 0.15 U 3
Residuals in seconds of arc
040116 691 0.5+ 0.0 040122 649 0.5+ 0.0 101128 G96 0.7+ 0.1-
040116 691 0.0 0.3+ 040122 649 0.0 0.5- 101129 291 0.6- 0.3+
040116 691 0.1+ 0.0 040122 649 0.4- 0.1- 101129 291 0.4- 0.3+
040117 691 0.3- 0.1+ 040123 246 0.8- 0.0 101129 291 0.3- 0.4+
040117 691 0.1+ 0.1- 040123 246 1.0- 0.2- 101129 300 1.2+ 0.2+
040117 691 0.2+ 0.3+ 040123 246 0.2- 0.7- 101129 300 0.5+ 0.4+
040118 691 0.4+ 0.6- 040123 246 0.7- 0.1+ 101129 300 0.6+ 0.3-
040118 691 0.3+ 0.2- 040128 291 0.5- 0.4+ 101129 300 1.0+ 0.2-
040118 691 0.3+ 0.4- 040128 291 0.1- 0.3+ 101130 204 0.1+ 0.0
040118 651 0.6- 0.2+ 040128 291 0.5- 0.3+ 101130 204 0.2+ 0.3-
040118 651 0.1- 0.5+ 101111 G96 0.5- 0.2- 101130 204 0.1+ 0.2-
040118 651 0.0 0.1+ 101111 G96 0.2- 0.1- 101130 854 0.0 1.6-
040121 691 0.0 0.4- 101111 G96 0.2- 0.3- 101130 854 1.9+ 0.5-
040121 691 0.3+ 0.2+ 101111 G96 0.2+ 0.2+ 101130 854 0.1- 0.5-
040121 691 0.0 0.2- 101128 G96 0.7- 0.2-
040122 649 0.3- 0.5+ 101128 G96 0.2+ 0.1-
Ephemeris:
2004 BW1 a,e,i = 2.31, 0.52, 4 q = 1.1100
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 11 30 07 52.04 +22 34.2 0.625 1.478 131.8 29.8 20.1
2010 12 10 07 42.30 +24 02.7 0.635 1.545 144.3 21.8 20.0
2010 12 20 07 27.83 +25 30.4 0.659 1.614 157.8 13.3 19.9
2010 12 30 07 11.27 +26 43.3 0.704 1.682 171.0 5.2 19.8
2011 01 09 06 55.65 +27 33.2 0.771 1.751 172.5 4.2 20.0
2011 01 19 06 43.49 +28 00.2 0.862 1.820 160.6 10.3 20.6
2011 01 29 06 35.95 +28 09.6 0.974 1.887 149.0 15.6 21.2
2011 02 08 06 33.14 +28 07.7 1.104 1.954 138.4 19.6 21.7
2011 02 18 06 34.57 +27 58.6 1.250 2.020 128.7 22.4 22.1
2011 02 28 06 39.48 +27 44.8 1.408 2.085 119.8 24.4 22.5
2011 03 10 06 47.15 +27 26.9 1.576 2.148 111.5 25.5 22.8
2011 03 20 06 56.97 +27 05.1 1.751 2.210 103.8 25.9 23.1
Carl W. Hergenrother (C) Copyright 2010 MPC M.P.E.C. 2010-W57
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