MPEC 2007-B42 : 2007 BA
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M.P.E.C. 2007-B42 Issued 2007 Jan. 25, 03:12 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
2007 BA
Additional Observations:
K07B00A C2007 01 10.13345 03 17 11.14 +31 45 29.4 19.3 EB042704
K07B00A C2007 01 10.14596 03 17 12.00 +31 45 06.0 19.0 EB042704
K07B00A C2007 01 10.15846 03 17 12.82 +31 44 41.2 19.7 EB042704
K07B00A C2007 01 10.17104 03 17 13.69 +31 44 16.9 19.5 EB042704
K07B00A C2007 01 10.18357 03 17 14.50 +31 43 52.9 19.3 EB042704
K07B00A C2007 01 14.07025 03 22 39.33 +29 42 21.4 18.8 EB042704
K07B00A C2007 01 14.08333 03 22 40.47 +29 41 58.0 19.4 EB042704
K07B00A C2007 01 14.09676 03 22 41.60 +29 41 33.7 19.8 EB042704
K07B00A C2007 01 14.11027 03 22 42.67 +29 41 07.1 19.1 EB042704
K07B00A C2007 01 23.14430 03 38 49.95 +25 12 46.9 19.2 EB042704
K07B00A C2007 01 23.15650 03 38 51.28 +25 12 25.9 19.1 EB042704
K07B00A C2007 01 23.16873 03 38 52.73 +25 12 05.4 18.7 EB042704
K07B00A C2007 01 23.19320 03 38 55.50 +25 11 21.7 19.0 EB042704
Observer details:
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.
Orbital elements:
2007 BA Earth MOID = 0.2009 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 17.23716 (2000.0) P Q
n 0.44600833 Peri. 204.59387 -0.73271684 -0.64939395
a 1.6965789 Node 293.32699 +0.65530481 -0.59260163
e 0.3091177 Incl. 12.80410 +0.18358008 -0.47656143
P 2.21 H 18.4 G 0.15 U 7
Residuals in seconds of arc
070110 704 0.4- 0.3+ 070114 704 0.8+ 1.1+ 070117 703 0.3- 0.3+
070110 704 0.0 0.7+ 070114 704 0.3+ 0.5- 070117 703 0.4+ 0.7-
070110 704 0.1- 0.3- 070116 703 1.3- 0.3+ 070117 703 0.3+ 0.4+
070110 704 0.3+ 0.5- 070116 703 0.9+ 1.3- 070123 704 0.4+ 0.1+
070110 704 0.1- 0.5- 070116 703 0.5- 0.2- 070123 704 0.4- 0.1+
070114 704 0.3- 0.1+ 070116 703 0.1- 0.2- 070123 704 0.3+ 0.7+
070114 704 0.5+ 0.7+ 070117 703 0.5- 0.1+ 070123 704 0.2- 0.8-
Ephemeris:
2007 BA a,e,i = 1.70, 0.31, 13 q = 1.1721
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 01 20 03 32.70 +26 43.7 0.406 1.226 117.6 45.3 18.6
2007 01 30 03 53.88 +22 04.8 0.421 1.204 111.4 49.6 18.8
2007 02 09 04 19.12 +17 54.8 0.440 1.187 106.3 52.9 18.9
2007 02 19 04 47.33 +14 11.1 0.462 1.176 102.2 55.2 19.1
2007 03 01 05 17.74 +10 50.0 0.487 1.172 99.2 56.5 19.2
2007 03 11 05 49.62 +07 47.4 0.516 1.175 97.1 57.0 19.4
2007 03 21 06 22.49 +05 00.4 0.548 1.184 95.7 56.9 19.5
2007 03 31 06 56.03 +02 26.5 0.584 1.199 94.8 56.1 19.7
2007 04 10 07 29.85 +00 03.5 0.625 1.220 94.3 55.0 19.8
2007 04 20 08 03.71 -02 09.6 0.672 1.246 93.9 53.6 20.0
2007 04 30 08 37.38 -04 15.0 0.725 1.276 93.5 52.0 20.1
2007 05 10 09 10.57 -06 13.5 0.784 1.311 93.0 50.3 20.3
2007 05 20 09 43.14 -08 06.0 0.851 1.348 92.3 48.6 20.5
2007 05 30 10 14.93 -09 53.7 0.926 1.387 91.2 46.9 20.7
2007 06 09 10 45.82 -11 36.7 1.008 1.428 89.8 45.3 20.9
2007 06 19 11 15.81 -13 15.3 1.098 1.470 88.0 43.7 21.1
2007 06 29 11 44.90 -14 49.9 1.195 1.513 85.9 42.1 21.3
2007 07 09 12 13.12 -16 20.0 1.299 1.556 83.5 40.5 21.5
2007 07 19 12 40.59 -17 45.6 1.409 1.599 80.7 38.9 21.7
2007 07 29 13 07.38 -19 06.1 1.524 1.641 77.7 37.2 21.9
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-B42
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