MPEC 2004-Y24 : 2002 BG
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M.P.E.C. 2004-Y24 Issued 2004 Dec. 19, 21:09 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.
Supported in part by the Brinson Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2002 BG
Revision to MPEC 2002-B16
Additional Observations:
K02B00G 1C2004 12 14.70474 04 45 30.63 -32 57 23.3 20.3 R EY024413
K02B00G 1C2004 12 14.70821 04 45 30.17 -32 57 17.1 20.2 R EY024413
K02B00G 1C2004 12 14.71168 04 45 29.67 -32 57 10.5 20.0 R EY024413
K02B00G C2004 12 19.54722 04 34 52.34 -30 05 33.1 19.1 R EY024474
K02B00G C2004 12 19.54896 04 34 52.19 -30 05 28.8 18.9 R EY024474
K02B00G C2004 12 19.55284 04 34 51.72 -30 05 18.9 19.0 R EY024474
K02B00G C2004 12 19.55677 04 34 51.00 -30 05 08.0 19.4 R EY024474
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. Measurer
P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
041214 413 0.16- 0.02- 041219 474 0.16- 0.02- MPO 30629 +0.070 day
Orbital elements:
2002 BG
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5 MPC
M 335.32157 (2000.0) P Q
n 0.65122213 Peri. 33.54350 -0.81804594 -0.45381659
a 1.3182060 Node 115.53412 +0.40285282 -0.89057707
e 0.1639793 Incl. 23.05348 +0.41050024 -0.03038083
P 1.51 H 20.5 G 0.15 U 2
Residuals in seconds of arc
020119 704 0.7+ 0.6- 020122 118 0.3- 0.2+ 020311 696 0.5- 0.7-
020119 704 0.4+ 0.5- 020122 118 0.3+ 0.2- 020405 696 0.5+ 0.3+
020119 704 0.7- 0.2- 020124 966 0.9- 0.6+ 020405 696 0.5- 0.3+
020120 649 0.1+ 0.1- 020124 966 0.2+ 0.1+ 020506 696 (0.0 2.8+)
020120 649 0.1- 0.2+ 020211 649 0.3- 0.5- 020506 696 0.0 1.0-
020120 649 0.2+ 0.2- 020211 649 0.1+ 0.7- 041214 413 0.2- 0.0
020120 966 0.1+ 0.4+ 020211 649 0.1- 0.2+ 041214 413 0.0 0.4-
020120 966 0.2+ 0.4+ 020212 696 0.2- 0.2+ 041214 413 0.2- 0.4-
020121 670 0.1- 0.2+ 020212 696 0.1- 0.2+ 041219 474 0.6- 0.3-
020121 670 1.6+ 0.4+ 020309 696 0.2- 0.3+ 041219 474 0.6+ 0.3-
020122 118 0.8- 0.3- 020309 696 0.1+ 0.1- 041219 474 1.4+ 0.1+
020122 118 0.6- 0.2- 020311 696 0.3+ 0.4+ 041219 474 0.9- 1.3+
Ephemeris:
2002 BG a,e,i = 1.32, 0.16, 23 q = 1.1020
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 12 11 04 53.66 -34 37.8 0.380 1.230 122.2 42.7 20.5
2004 12 21 04 31.75 -29 04.8 0.341 1.206 123.6 42.8 20.2
2004 12 31 04 12.06 -20 07.3 0.312 1.184 123.4 43.9 20.0
2005 01 10 03 57.66 -08 06.1 0.296 1.163 120.8 46.5 19.9
2005 01 20 03 50.31 +05 35.9 0.298 1.145 115.8 50.7 20.0
2005 01 30 03 50.34 +19 04.9 0.315 1.130 109.4 55.3 20.3
2005 02 09 03 57.58 +31 00.7 0.345 1.117 103.2 59.3 20.6
2005 02 19 04 12.26 +40 57.0 0.384 1.108 97.9 62.1 20.9
2005 03 01 04 34.85 +48 59.4 0.426 1.103 93.7 63.7 21.1
2005 03 11 05 06.48 +55 19.7 0.469 1.102 90.5 64.3 21.3
2005 03 21 05 48.70 +60 04.5 0.509 1.105 88.3 64.3 21.5
2005 03 31 06 41.89 +63 10.6 0.547 1.112 86.8 63.8 21.7
2005 04 10 07 43.63 +64 27.7 0.580 1.122 86.0 63.0 21.8
2005 04 20 08 47.74 +63 50.2 0.608 1.136 85.8 61.9 21.9
2005 04 30 09 47.00 +61 25.2 0.634 1.153 86.1 60.7 22.0
Gareth V. Williams (C) Copyright 2004 MPC M.P.E.C. 2004-Y24
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