MPEC 2007-X55 : 2007 XF18
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M.P.E.C. 2007-X55 Issued 2007 Dec. 13, 11:57 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 XF18
Observations:
K07X18F* C2007 12 12.20514 03 50 32.39 +25 15 43.2 18.1 EX055704
K07X18F C2007 12 12.21807 03 50 22.56 +25 18 15.4 18.3 EX055704
K07X18F C2007 12 12.23100 03 50 12.76 +25 20 47.2 18.4 EX055704
K07X18F C2007 12 12.24392 03 50 02.98 +25 23 18.5 18.4 EX055704
K07X18F C2007 12 12.25685 03 49 53.17 +25 25 49.7 18.4 EX055704
K07X18F C2007 12 13.02338 03 40 42.43 +27 46 47.3 EX055J95
K07X18F C2007 12 13.02477 03 40 41.41 +27 47 01.8 EX055J95
K07X18F C2007 12 13.02730 03 40 39.62 +27 47 28.2 EX055J95
K07X18F C2007 12 13.03209 03 40 36.21 +27 48 17.8 18.6 R EX055J95
K07X18F 9C2007 12 13.12181 03 39 37.31 +28 03 55.5 18.2 R EX055673
K07X18F 9C2007 12 13.12639 03 39 34.11 +28 04 43.4 EX055673
K07X18F 9C2007 12 13.13333 03 39 29.25 +28 05 54.4 EX055673
K07X18F 9C2007 12 13.13628 03 39 27.06 +28 06 26.7 EX055673
K07X18F 2C2007 12 13.40512 03 36 19.37 +28 51 22.6 18.2 R EX055H06
K07X18F 2C2007 12 13.40854 03 36 16.96 +28 51 55.3 18.2 R EX055H06
K07X18F 2C2007 12 13.41191 03 36 14.67 +28 52 28.2 18.4 R EX055H06
Observer details:
673 Table Mountain Observatory, Wrightwood. Observer H. Rhoades. 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.
H06 RAS Observatory, Mayhill. Observer R. Hutsebaut. 0.25-m reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2007 XF18 Earth MOID = 0.0673 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 14.54259 (2000.0) P Q
n 0.56245449 Peri. 266.53270 +0.48460003 +0.26839216
a 1.4534869 Node 76.19650 +0.17401677 +0.90316248
e 0.4776877 Incl. 59.01505 -0.85725199 +0.33505698
P 1.75 H 20.6 G 0.15 U 9
Residuals in seconds of arc
071212 704 0.4- 0.1+ 071213 J95 0.1+ 0.1+ 071213 673 1.0- 1.1+
071212 704 0.4- 0.1- 071213 J95 0.1+ 0.2+ 071213 H06 0.1+ 0.2-
071212 704 0.2- 0.2- 071213 J95 0.3- 0.1+ 071213 H06 1.0- 0.9-
071212 704 0.1+ 0.3- 071213 673 0.1+ 0.4- 071213 H06 1.0- 0.8-
071212 704 0.0 0.3- 071213 673 0.4+ 0.1+
071213 J95 0.6+ 0.0 071213 673 0.6+ 0.7-
Ephemeris:
2007 XF18 a,e,i = 1.45, 0.48, 59 q = 0.7592
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 12 06 05 24.04 -04 15.2 0.146 1.117 151.9 24.6 17.8
2007 12 08 04 50.71 +06 59.9 0.152 1.132 164.3 13.6 17.6
2007 12 10 04 20.13 +16 48.9 0.166 1.148 167.8 10.5 17.7
2007 12 12 03 53.10 +24 34.8 0.187 1.163 161.4 15.7 18.1
2007 12 14 03 29.85 +30 24.9 0.212 1.179 153.8 21.6 18.6
2007 12 16 03 10.20 +34 43.7 0.241 1.194 147.2 26.5 19.1
2007 12 18 02 53.77 +37 55.9 0.272 1.209 141.6 30.3 19.5
2007 12 20 02 40.11 +40 20.7 0.305 1.225 137.0 33.2 19.9
2007 12 22 02 28.81 +42 11.9 0.339 1.240 133.0 35.5 20.2
2007 12 24 02 19.47 +43 39.0 0.374 1.255 129.5 37.2 20.5
2007 12 26 02 11.77 +44 48.7 0.409 1.270 126.5 38.5 20.7
2007 12 28 02 05.45 +45 45.6 0.445 1.285 123.7 39.5 21.0
2007 12 30 02 00.29 +46 32.9 0.481 1.300 121.3 40.3 21.2
2008 01 01 01 56.13 +47 13.0 0.518 1.315 119.0 40.9 21.4
2008 01 03 01 52.81 +47 47.6 0.555 1.330 116.9 41.3 21.6
2008 01 05 01 50.22 +48 18.0 0.592 1.344 114.9 41.6 21.7
2008 01 07 01 48.27 +48 45.0 0.629 1.359 113.0 41.8 21.9
2008 01 09 01 46.86 +49 09.5 0.666 1.373 111.3 41.9 22.0
2008 01 11 01 45.95 +49 31.9 0.703 1.387 109.6 41.9 22.2
2008 01 13 01 45.47 +49 52.8 0.740 1.401 108.0 41.9 22.3
2008 01 15 01 45.37 +50 12.4 0.777 1.416 106.4 41.8 22.4
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-X55
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