MPEC 2011-B47 : 2011 BW18
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M.P.E.C. 2011-B47 Issued 2011 Jan. 28, 09:23 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
2011 BW18
Observations:
K11B18W* C2011 01 23.14546 01 20 23.13 +06 35 03.4 20.8 VrEB047G96
K11B18W C2011 01 23.15052 01 20 24.32 +06 35 12.6 21.5 VrEB047G96
K11B18W C2011 01 23.15574 01 20 25.62 +06 35 23.6 20.9 VrEB047G96
K11B18W C2011 01 23.16091 01 20 26.88 +06 35 33.7 20.7 VrEB047G96
K11B18W C2011 01 23.19684 01 20 35.55 +06 36 43.9 21.0 VrEB047G96
K11B18W C2011 01 23.19845 01 20 35.95 +06 36 46.6 21.1 VrEB047G96
K11B18W C2011 01 23.19927 01 20 36.10 +06 36 47.5 22.1 VrEB047G96
K11B18W C2011 01 28.11545 01 41 02.65 +09 17 38.9 20.6 VrEB047G96
K11B18W C2011 01 28.12135 01 41 04.12 +09 17 50.5 21.0 VrEB047G96
K11B18W C2011 01 28.12731 01 41 05.64 +09 18 02.5 20.2 VrEB047G96
K11B18W C2011 01 28.13330 01 41 07.11 +09 18 13.7 21.0 VrEB047G96
K11B18W C2011 01 28.17124 01 41 16.69 +09 19 27.7 20.7 VrEB047G96
K11B18W C2011 01 28.17387 01 41 17.34 +09 19 32.6 20.1 VrEB047G96
K11B18W C2011 01 28.17655 01 41 18.06 +09 19 38.1 20.9 VrEB047G96
K11B18W C2011 01 28.17921 01 41 18.63 +09 19 42.7 21.2 VrEB047G96
K11B18W C2011 01 28.19889 01 41 23.62 +09 20 21.2 20.4 RoEB047H01
K11B18W C2011 01 28.20542 01 41 25.26 +09 20 33.8 20.5 RoEB047H01
K11B18W C2011 01 28.21225 01 41 27.00 +09 20 47.3 20.3 RoEB047H01
K11B18W C2011 01 28.21948 01 41 28.82 +09 21 01.3 20.4 RoEB047H01
Observer details:
G96 Mt. Lemmon Survey. Observers A. Boattini, R. A. Kowalski. 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.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2011 BW18 Earth MOID = 0.1104 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 6.44139 (2000.0) P Q
n 0.25009722 Peri. 335.30259 +0.31101024 -0.94682754
a 2.4949593 Node 96.49104 +0.88518505 +0.25701129
e 0.5627170 Incl. 4.75726 +0.34600587 +0.19355310
P 3.94 H 19.2 G 0.15 U 9
Residuals in seconds of arc
110123 G96 0.0 0.3+ 110128 G96 0.3+ 0.1+ 110128 G96 0.6- 0.5-
110123 G96 0.4- 0.4- 110128 G96 0.1+ 0.1+ 110128 H01 0.1- 0.1+
110123 G96 0.2+ 0.4+ 110128 G96 0.5+ 0.5+ 110128 H01 0.3- 0.0
110123 G96 0.4+ 0.4+ 110128 G96 0.0 0.0 110128 H01 0.2- 0.2+
110123 G96 0.1+ 0.3+ 110128 G96 0.5+ 0.1+ 110128 H01 0.4- 0.1+
110123 G96 0.3+ 0.2- 110128 G96 0.3+ 0.2-
110123 G96 0.5- 0.9- 110128 G96 0.9+ 0.1+
Ephemeris:
2011 BW18 a,e,i = 2.49, 0.56, 5 q = 1.0910
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2010 12 29 23 49 12.6 -06 11 25 0.7500 1.1071 78.1 60.4 21.0
...
2011 01 13 00 40 55.6 +01 08 29 0.7288 1.0910 77.6 61.7 20.9
...
2011 01 21 01 11 44.5 +05 25 03 0.7228 1.0952 78.2 61.6 20.9
...
2011 01 27 01 36 20.1 +08 41 17 0.7224 1.1041 79.0 61.1 20.9
2011 01 28 01 40 33.4 +09 13 56 0.7228 1.1061 79.1 61.0 20.9
2011 01 29 01 44 48.8 +09 46 32 0.7233 1.1081 79.3 60.8 20.9
...
2011 02 04 02 11 03.5 +12 59 04 0.7293 1.1233 80.3 59.9 20.9
...
2011 02 12 02 47 44.9 +17 00 25 0.7461 1.1503 81.9 58.2 21.0
...
2011 02 27 03 59 49.2 +23 05 27 0.8083 1.2187 84.7 54.0 21.1
Carl W. Hergenrother (C) Copyright 2011 MPC M.P.E.C. 2011-B47
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