MPEC 2001-R48: 2001 RB18
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M.P.E.C. 2001-R48 Issued 2001 Sept. 13, 22:08 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
2001 RB18
Observations:
K01R18B C2001 07 13.58979 20 29 42.94 -05 54 11.5 19.6 608
K01R18B C2001 07 13.60131 20 29 42.74 -05 54 05.7 19.3 608
K01R18B C2001 07 13.61219 20 29 42.56 -05 53 59.9 19.3 608
K01R18B C2001 08 20.21129 20 11 04.81 -02 10 07.7 17.5 704
K01R18B C2001 08 20.22368 20 11 04.33 -02 10 07.9 17.7 704
K01R18B C2001 08 20.23628 20 11 03.80 -02 10 06.0 17.9 704
K01R18B C2001 08 20.24886 20 11 03.39 -02 10 04.6 17.6 704
K01R18B C2001 08 20.26126 20 11 02.93 -02 10 03.3 17.9 704
K01R18B C2001 08 25.14557 20 09 49.44 -02 03 48.9 16.7 644
K01R18B C2001 08 25.16880 20 09 48.99 -02 03 48.1 16.9 644
K01R18B C2001 08 25.19023 20 09 48.56 -02 03 47.2 16.6 644
K01R18B* C2001 09 12.19107 20 21 07.41 -02 31 57.6 16.1 704
K01R18B C2001 09 12.20542 20 21 08.55 -02 32 00.7 16.9 704
K01R18B C2001 09 12.21976 20 21 09.72 -02 32 03.7 16.6 704
K01R18B C2001 09 12.23407 20 21 10.87 -02 32 06.7 16.5 704
K01R18B C2001 09 12.24840 20 21 12.04 -02 32 09.7 16.4 704
K01R18B 1C2001 09 13.21958 20 22 53.25 -02 36 01.4 658
K01R18B 1C2001 09 13.22514 20 22 53.77 -02 36 02.9 658
K01R18B 1C2001 09 13.22850 20 22 54.08 -02 36 03.7 658
K01R18B C2001 09 13.78512 20 23 56.23 -02 38 16.9 046
K01R18B C2001 09 13.80128 20 23 57.73 -02 38 20.1 15.5 R 046
K01R18B C2001 09 13.80228 20 23 57.87 -02 38 20.2 15.8 R 046
K01R18B C2001 09 13.86147 20 24 04.13 -02 38 29.0 165
K01R18B C2001 09 13.86578 20 24 04.60 -02 38 31.1 165
K01R18B C2001 09 13.86918 20 24 04.45 -02 38 37.1 16.5 R 113
K01R18B C2001 09 13.87075 20 24 04.61 -02 38 37.7 16.4 R 113
K01R18B C2001 09 13.87242 20 24 04.77 -02 38 37.9 16.4 R 113
K01R18B C2001 09 13.87383 20 24 04.92 -02 38 38.1 16.4 R 113
K01R18B C2001 09 13.87469 20 24 05.37 -02 38 33.5 165
K01R18B C2001 09 13.87684 20 24 05.60 -02 38 33.6 165
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, M. Kocer. 0.57-m f/5.2 reflector + CCD
113 Volkssternwarte Drebach, Schoenbrunn. Observer A. Knoefel. 0.50-m f/4.0
reflector + CCD.
165 Piera Observatory, Barcelona. Observer J. Guarro. 0.40-m f/2 Schmidt
+ CCD.
608 Haleakala-NEAT/MSSS. Observers E. F. Helin, S. Pravdo, K. Lawrence,
P. Kervin, R. Maeda, J. Africano, M. Hicks. 1.2-m reflector + CCD.
644 Palomar Mountain/NEAT. Observers E. F. Helin, S. Pravdo, K. Lawrence,
M. Hicks, E. Hovland, T. Bickler, J. Schroeder, L. Scherr, R. Thicksten,
A. Deetz. 1.2-m Schmidt + CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
Orbital elements:
2001 RB18
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 Spahr
M 2.17868 (2000.0) P Q
n 0.27401750 Peri. 175.09393 +0.97197359 -0.23395489
a 2.3475626 Node 198.48546 +0.21313953 +0.91837821
e 0.5414241 Incl. 4.17349 +0.09919113 +0.31913409
P 3.60 H 18.3 G 0.15 U 5
Residuals in seconds of arc
010713 608 0.3+ 0.5+ 010825 644 0.0 0.0 010913 046 0.2- 0.4-
010713 608 0.3+ 0.2+ 010912 704 0.1+ 0.6+ 010913 046 0.4+ 0.2-
010713 608 0.3+ 0.3+ 010912 704 0.1+ 0.6+ 010913 165 0.5- 0.5+
010820 704 1.1+ 0.8+ 010912 704 0.4+ 0.7+ 010913 165 0.3+ 0.5-
010820 704 0.3+ 0.8- 010912 704 0.3+ 0.8+ 010913 113 0.1- 0.1+
010820 704 1.0- 0.4- 010912 704 0.3+ 0.9+ 010913 113 0.0 0.1-
010820 704 0.6- 0.4- 010913 658 0.0 0.1+ 010913 113 0.1- 0.1+
010820 704 1.1- 0.6- 010913 658 0.1+ 0.1- 010913 113 0.0 0.2+
010825 644 0.0 0.1- 010913 658 0.1+ 0.1- 010913 165 0.9- 0.8-
010825 644 0.0 0.1- 010913 046 0.9+ 1.1- 010913 165 0.6- 0.4-
Ephemeris:
2001 RB18 a,e,i = 2.35, 0.54, 4 q = 1.0765
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 09 08 20 15.48 -02 18.1 0.177 1.144 137.3 36.7 16.3
2001 09 18 20 33.33 -02 56.2 0.146 1.109 132.8 41.6 16.0
2001 09 28 21 10.87 -03 50.1 0.119 1.086 132.9 42.5 15.5
2001 10 08 22 17.36 -04 36.6 0.100 1.077 139.4 37.1 15.0
2001 10 18 23 50.79 -04 23.8 0.095 1.081 151.3 26.3 14.6
2001 10 28 01 20.36 -02 44.9 0.111 1.098 160.0 18.0 14.7
2001 11 07 02 21.53 -00 33.9 0.144 1.128 161.9 15.8 15.2
2001 11 17 02 58.37 +01 34.5 0.189 1.169 161.1 15.9 15.9
2001 11 27 03 21.38 +03 38.8 0.246 1.219 158.7 17.1 16.6
2001 12 07 03 37.49 +05 39.5 0.314 1.277 154.9 19.1 17.3
2001 12 17 03 50.52 +07 36.0 0.394 1.339 149.7 21.8 18.0
2001 12 27 04 02.71 +09 27.3 0.487 1.406 143.7 24.4 18.6
2002 01 06 04 15.10 +11 11.0 0.592 1.475 137.5 26.8 19.2
2002 01 16 04 28.15 +12 45.8 0.710 1.546 131.1 28.7 19.8
2002 01 26 04 42.07 +14 10.7 0.841 1.618 124.7 30.0 20.3
2002 02 05 04 56.83 +15 24.9 0.982 1.690 118.4 30.9 20.7
2002 02 15 05 12.34 +16 28.1 1.133 1.763 112.3 31.2 21.1
2002 02 25 05 28.50 +17 20.0 1.293 1.834 106.2 31.2 21.5
2002 03 07 05 45.15 +18 00.7 1.460 1.905 100.2 30.8 21.8
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-R48
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