MPEC 2000-E50 : 1998 BU48
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M.P.E.C. 2000-E50 Issued 2000 Mar. 13, 03:50 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
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1998 BU48
Revision to MPEC 1999-M32
Observations:
J98B48U 5C2000 03 03.23859 09 21 08.15 +17 00 21.9 21.0 R 688
J98B48U 5C2000 03 03.31946 09 21 07.63 +17 00 24.5 688
J98B48U C2000 03 12.13993 09 20 14.34 +17 05 14.4 21.2 R 709
J98B48U C2000 03 12.16177 09 20 14.21 +17 05 15.2 21.2 R 709
J98B48U C2000 03 12.18361 09 20 14.05 +17 05 16.4 21.1 R 709
J98B48U C2000 03 12.20545 09 20 13.92 +17 05 16.6 21.3 R 709
J98B48U IC2000 03 12.22728 09 20 13.83 +17 05 17.1 21.5 R 709
J98B48U C2000 03 12.24912 09 20 13.66 +17 05 17.9 21.0 R 709
Observer details:
688 Lowell Observatory, Anderson Mesa Station. Observer L. H. Wasserman.
1.1-m reflector + CCD.
709 Cloudcroft. Observer W. Offutt. 0.6-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees) and reference
000303 688 0.50+ 0.26- 000312 709 0.51+ 0.26- MPC 35435
Orbital elements:
1998 BU48
Id. L. H. Wasserman (2000 observations)
Epoch 2000 Feb. 26.0 TT = JDT 2451600.5 Marsden
M 42.09061 (2000.0) P Q
n 0.00514063 Peri. 282.34093 +0.55010741 -0.81529502
a 33.2500340 Node 132.75639 +0.82938838 +0.50813596
e 0.3837504 Incl. 14.25221 +0.09745128 +0.27765425
P 191.73 H 7.3 G 0.15 U 4
Residuals in seconds of arc
980122 691 0.2- 0.2- 980203 691 0.1+ 0.0 000312 709 0.3+ 0.0
980122 691 0.3+ 0.0 980203 691 0.1- 0.0 000312 709 0.2- 0.5+
980122 691 0.1+ 0.1- 980203 691 0.4+ 0.1+ 000312 709 0.3- 0.0
980129 691 0.1+ 0.2+ 000303 688 0.1- 0.0 000312 709 0.3+ 0.2-
980129 691 0.5- 0.4+ 000303 688 0.0 0.2- 000312 709 0.4- 0.0
980129 691 0.2- 0.3- 000312 709 0.3+ 0.2-
Ephemeris:
1998 BU48 a,e,i = 33.25, 0.38, 14 q = 20.490
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2000 03 07 09 20.74 +17 02.5 26.285 27.153 150.5 1.0 21.7
2000 03 17 09 19.80 +17 07.6 26.392 27.165 140.3 1.3 21.8
2000 03 27 09 19.02 +17 11.9 26.523 27.178 130.2 1.6 21.8
2000 04 06 09 18.45 +17 15.2 26.673 27.190 120.2 1.8 21.8
2000 04 16 09 18.10 +17 17.3 26.838 27.202 110.3 2.0 21.9
2000 04 26 09 17.98 +17 18.4 27.013 27.215 100.5 2.1 21.9
2000 05 06 09 18.10 +17 18.3 27.194 27.227 90.8 2.1 21.9
2000 05 16 09 18.47 +17 17.2 27.375 27.239 81.2 2.1 21.9
2000 05 26 09 19.07 +17 14.9 27.551 27.252 71.8 2.0 21.9
2000 06 05 09 19.89 +17 11.7 27.719 27.264 62.4 1.9 21.9
2000 06 15 09 20.91 +17 07.6 27.874 27.276 53.1 1.7 21.9
2000 06 25 09 22.10 +17 02.7 28.012 27.289 43.9 1.5 21.9
2000 07 05 09 23.44 +16 57.2 28.131 27.301 34.7 1.2 21.9
Brian G. Marsden (C) Copyright 2000 MPC M.P.E.C. 2000-E50
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