MPEC 2007-X60 : 2007 XA23
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M.P.E.C. 2007-X60 Issued 2007 Dec. 15, 16:09 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
2007 XA23
Observations:
K07X23A* C2007 12 14.25859 05 38 46.06 +26 32 04.6 19.8 EX060704
K07X23A C2007 12 14.27150 05 38 45.78 +26 32 48.5 20.1 EX060704
K07X23A C2007 12 14.28462 05 38 45.43 +26 33 33.2 20.2 EX060704
K07X23A C2007 12 14.29754 05 38 45.20 +26 34 15.3 19.8 EX060704
K07X23A C2007 12 14.31047 05 38 44.91 +26 34 58.9 20.2 EX060704
K07X23A C2007 12 15.12453 05 38 45.79 +27 21 00.0 20.2 R EX060651
K07X23A C2007 12 15.12562 05 38 45.77 +27 21 04.8 19.9 R EX060651
K07X23A C2007 12 15.12781 05 38 45.78 +27 21 12.1 19.9 R EX060651
K07X23A 5C2007 12 15.31447 05 38 42.47 +27 32 12.6 19.8 R EX060673
K07X23A 5C2007 12 15.31736 05 38 42.39 +27 32 23.5 EX060673
K07X23A 5C2007 12 15.32164 05 38 42.30 +27 32 39.9 EX060673
K07X23A 5C2007 12 15.32998 05 38 42.11 +27 33 09.4 EX060673
Observer details:
651 Grasslands Observatory, Tucson. Observer J. E. McGaha. 0.62-m f/5.1
Newtonian reflector + CCD.
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.
Orbital elements:
2007 XA23 Earth MOID = 0.0989 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 310.00346 (2000.0) P Q
n 0.47743286 Peri. 62.13393 -0.76994267 -0.62147995
a 1.6212918 Node 79.07414 +0.52127808 -0.74340583
e 0.3812267 Incl. 8.47725 +0.36804543 -0.24720526
P 2.06 H 23.2 G 0.15 U 9
Residuals in seconds of arc
071214 704 0.2+ 0.6- 071214 704 0.1+ 0.2+ 071215 673 0.0 1.3-
071214 704 0.2+ 0.0 071215 651 0.1- 0.4- 071215 673 0.1- 0.5-
071214 704 0.6- 0.8+ 071215 651 0.2- 0.5+ 071215 673 0.0 0.8+
071214 704 0.1+ 0.3- 071215 651 0.3+ 0.1- 071215 673 0.1+ 1.0+
Ephemeris:
2007 XA23 a,e,i = 1.62, 0.38, 8 q = 1.0032
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 12 16 05 38.66 +28 13.1 0.166 1.149 174.8 4.4 20.0
2007 12 26 05 38.31 +41 09.1 0.128 1.105 160.5 17.2 19.9
2008 01 05 05 42.68 +60 07.3 0.106 1.067 140.2 36.2 19.9
2008 01 15 06 44.10 +81 53.2 0.101 1.036 119.1 56.0 20.3
2008 01 25 16 09.02 +77 16.4 0.109 1.015 103.3 70.7 20.9
2008 02 04 16 35.61 +62 34.8 0.126 1.004 95.0 77.9 21.4
2008 02 14 16 38.70 +51 48.3 0.144 1.005 92.7 79.0 21.8
2008 02 24 16 37.17 +43 40.1 0.163 1.016 94.8 76.0 22.0
2008 03 05 16 32.64 +37 15.4 0.180 1.038 99.8 70.4 22.0
2008 03 15 16 24.05 +31 52.0 0.195 1.069 107.3 62.7 22.0
2008 03 25 16 10.73 +26 53.6 0.209 1.107 116.9 53.5 22.0
2008 04 04 15 52.69 +21 55.2 0.224 1.152 128.1 43.1 21.9
2008 04 14 15 31.29 +16 40.5 0.244 1.201 140.3 32.3 21.9
2008 04 24 15 09.71 +11 13.6 0.274 1.254 151.4 22.6 22.0
Sonia Keys (C) Copyright 2007 MPC M.P.E.C. 2007-X60
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