MPEC 2008-C03 : 2008 BT18
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M.P.E.C. 2008-C03 Issued 2008 Feb. 1, 22:45 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2008 BT18
Observations:
K08B18T* C2008 01 31.41308 09 53 16.61 +21 50 27.1 19.7 EC003704
K08B18T C2008 01 31.42575 09 53 15.64 +21 50 38.6 19.6 EC003704
K08B18T C2008 01 31.43834 09 53 14.90 +21 50 49.7 19.9 EC003704
K08B18T C2008 01 31.45093 09 53 13.80 +21 51 03.5 20.0 EC003704
K08B18T 5C2008 02 01.24097 09 52 21.32 +22 03 59.0 19.0 R EC003673
K08B18T 5C2008 02 01.24688 09 52 20.88 +22 04 05.1 EC003673
K08B18T 5C2008 02 01.25417 09 52 20.36 +22 04 12.8 EC003673
K08B18T 5C2008 02 01.26331 09 52 19.70 +22 04 22.1 EC003673
K08B18T C2008 02 01.26991 09 52 19.14 +22 04 28.4 19.6 V EC003G96
K08B18T C2008 02 01.28152 09 52 18.31 +22 04 39.7 19.7 V EC003G96
K08B18T C2008 02 01.28741 09 52 17.88 +22 04 45.8 20.2 V EC003G96
K08B18T C2008 02 01.91101 09 51 34.30 +22 15 04.3 EC003J95
K08B18T C2008 02 01.91512 09 51 34.03 +22 15 08.3 EC003J95
K08B18T C2008 02 01.91922 09 51 33.72 +22 15 12.5 19.4 R EC003J95
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres,
R. Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2008 BT18 PHA, Earth MOID = 0.0203 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 295.38676 (2000.0) P Q
n 0.28716009 Peri. 139.39034 -0.39094429 +0.91086523
a 2.2753768 Node 107.22317 -0.87625229 -0.32435580
e 0.6135735 Incl. 7.95798 -0.28168153 -0.25518198
P 3.43 H 18.2 G 0.15 U 9
Residuals in seconds of arc
080131 704 0.7+ 0.7+ 080201 673 0.1+ 0.1+ 080201 G96 0.2- 0.4-
080131 704 0.5- 0.1- 080201 673 0.1+ 0.5+ 080201 J95 0.2- 0.1+
080131 704 1.5+ 1.1- 080201 673 0.1+ 0.6+ 080201 J95 0.2+ 0.1-
080131 704 1.6- 0.6+ 080201 G96 0.3- 0.3- 080201 J95 0.0 0.0
080201 673 0.3+ 0.0 080201 G96 0.1- 0.6-
Ephemeris:
2008 BT18 a,e,i = 2.28, 0.61, 8 q = 0.8793
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2008 01 25 09 59.32 +20 13.4 0.900 1.850 158.1 11.4 20.0
2008 02 04 09 48.98 +22 50.7 0.790 1.767 168.4 6.5 19.4
2008 02 14 09 33.63 +25 54.5 0.705 1.682 167.0 7.6 19.1
2008 02 24 09 14.39 +29 03.2 0.645 1.596 154.5 15.5 19.1
2008 03 05 08 53.71 +31 51.3 0.606 1.508 140.2 24.9 19.2
2008 03 15 08 35.00 +34 00.3 0.582 1.419 126.3 34.4 19.2
2008 03 25 08 21.21 +35 27.3 0.568 1.331 113.7 43.3 19.3
2008 04 04 08 13.75 +36 20.4 0.554 1.244 102.5 51.7 19.3
2008 04 14 08 12.77 +36 49.7 0.534 1.159 92.8 59.8 19.3
2008 04 24 08 17.30 +37 04.7 0.506 1.079 84.2 68.0 19.3
2008 05 04 08 25.79 +37 11.9 0.465 1.008 76.6 76.7 19.2
2008 05 14 08 36.27 +37 16.9 0.412 0.948 69.5 86.5 19.2
2008 05 24 08 45.70 +37 27.7 0.347 0.905 62.3 97.8 19.2
2008 06 03 08 49.43 +37 53.6 0.275 0.882 54.1 111.2 19.4
2008 06 13 08 38.73 +38 42.3 0.199 0.882 43.5 127.6 19.9
2008 06 23 07 51.02 +39 19.0 0.127 0.905 27.0 149.3 21.8
2008 07 03 05 26.87 +31 23.0 0.0733 0.948 20.1 158.4 22.8
2008 07 13 02 11.94 -02 19.2 0.0745 1.008 81.2 94.6 16.0
2008 07 23 00 37.25 -20 45.8 0.124 1.079 118.0 56.2 15.9
2008 08 02 23 50.00 -27 14.1 0.186 1.159 137.5 36.3 16.3
2008 08 12 23 19.15 -29 47.5 0.257 1.243 150.4 23.7 16.8
2008 08 22 22 57.13 -30 30.0 0.338 1.331 157.7 16.7 17.4
2008 09 01 22 41.80 -30 08.4 0.432 1.419 158.1 15.4 18.0
2008 09 11 22 32.34 -29 07.0 0.539 1.508 153.2 17.5 18.7
2008 09 21 22 27.91 -27 42.6 0.661 1.595 146.1 20.6 19.3
2008 10 01 22 27.54 -26 05.4 0.796 1.682 138.4 23.3 19.9
2008 10 11 22 30.45 -24 20.9 0.945 1.767 130.8 25.3 20.5
2008 10 21 22 35.88 -22 32.8 1.105 1.850 123.3 26.7 21.0
2008 10 31 22 43.25 -20 42.9 1.276 1.930 116.0 27.5 21.4
2008 11 10 22 52.13 -18 52.0 1.456 2.009 108.9 27.8 21.8
2008 11 20 23 02.14 -17 00.9 1.643 2.086 102.0 27.6 22.1
Timothy B. Spahr (C) Copyright 2008 MPC M.P.E.C. 2008-C03
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