MPEC 2007-A50 : 2007 AA9
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M.P.E.C. 2007-A50 Issued 2007 Jan. 14, 01:46 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 AA9
Observations:
K07A09A* C2007 01 13.21725 06 27 11.71 -02 09 55.6 18.8 EA050704
K07A09A C2007 01 13.23033 06 27 06.62 -02 09 24.2 19.1 EA050704
K07A09A C2007 01 13.24335 06 27 01.57 -02 08 52.4 19.0 EA050704
K07A09A C2007 01 13.25700 06 26 56.26 -02 08 18.1 19.2 EA050704
K07A09A IC2007 01 14.03821 06 22 28.76 -01 37 59.2 EA050J95
K07A09A C2007 01 14.04205 06 22 27.49 -01 37 49.7 EA050J95
K07A09A C2007 01 14.04685 06 22 25.91 -01 37 39.4 EA050J95
K07A09A C2007 01 14.05294 06 22 23.73 -01 37 25.6 18.5 R EA050J95
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.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 AA9 PHA, Earth MOID = 0.0148 AU
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPC
M 212.29980 (2000.0) P Q
n 1.23525225 Peri. 55.27678 +0.83607555 +0.53397125
a 0.8602650 Node 272.14114 -0.53548768 +0.74438626
e 0.4326239 Incl. 7.23818 -0.11929218 +0.40095362
P 0.80 H 21.9 G 0.15 U 9
Residuals in seconds of arc
070113 704 0.0 0.2+ 070113 704 0.0 0.5+ 070114 J95 1.0+ 0.1-
070113 704 0.0 0.4- 070114 J95 0.5- 0.3- 070114 J95 0.6- 0.1-
070113 704 0.1+ 0.4- 070114 J95 0.1+ 0.5+
Ephemeris:
2007 AA9 a,e,i = 0.86, 0.43, 7 q = 0.4881
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 01 10 06 51.49 -04 45.4 0.0838 1.058 152.1 25.8 17.8
2007 01 20 05 59.90 +01 19.6 0.150 1.109 143.8 31.6 19.4
2007 01 30 05 45.53 +04 20.6 0.225 1.151 133.4 38.5 20.5
2007 02 09 05 44.22 +06 22.5 0.303 1.184 124.3 43.5 21.3
2007 02 19 05 49.58 +07 56.3 0.383 1.208 116.4 47.1 22.0
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-A50
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