MPEC 2009-X46 : 2009 XF2
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M.P.E.C. 2009-X46 Issued 2009 Dec. 12, 22:18 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
2009 XF2
Observations:
K09X02F* C2009 12 12.26504 05 03 35.93 +14 47 34.2 19.7 EX046704
K09X02F C2009 12 12.29044 05 03 31.60 +14 48 05.7 19.7 EX046704
K09X02F C2009 12 12.30313 05 03 29.46 +14 48 22.0 19.6 EX046704
K09X02F C2009 12 12.31586 05 03 27.39 +14 48 37.9 19.1 EX046704
K09X02F C2009 12 12.90492 05 01 52.41 +15 01 03.5 EX046J95
K09X02F C2009 12 12.90779 05 01 51.90 +15 01 07.6 EX046J95
K09X02F C2009 12 12.91065 05 01 51.39 +15 01 10.5 EX046J95
K09X02F C2009 12 12.91476 05 01 50.69 +15 01 16.2 18.7 R EX046J95
Observer details:
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler. 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:
2009 XF2 Earth MOID = 0.0818 AU
Epoch 2009 Nov. 25.0 TT = JDT 2455160.5 MPC
M 336.78358 (2000.0) P Q
n 0.25319846 Peri. 84.07142 -0.95879795 -0.14186108
a 2.4745449 Node 87.58889 +0.03442074 -0.91802466
e 0.6899260 Incl. 14.26175 +0.28199593 -0.37027849
P 3.89 H 19.9 G 0.15
From 8 observations 2009 Dec. 12.
Ephemeris:
2009 XF2 a,e,i = 2.47, 0.69, 14 q = 0.7673
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 05 05 19.31 +12 47.0 0.438 1.417 167.5 8.6 19.5
2009 12 10 05 09.24 +14 03.7 0.383 1.365 171.2 6.4 19.0
2009 12 15 04 55.74 +15 49.8 0.333 1.313 169.1 8.1 18.7
2009 12 20 04 37.85 +18 13.3 0.288 1.261 162.0 14.0 18.5
2009 12 25 04 14.21 +21 22.3 0.248 1.209 152.3 22.2 18.4
2009 12 30 03 42.76 +25 21.3 0.214 1.157 140.6 32.6 18.2
2010 01 04 03 00.55 +30 02.3 0.188 1.106 126.9 45.3 18.2
2010 01 09 02 04.32 +34 47.1 0.169 1.056 111.2 60.2 18.3
2010 01 14 00 53.54 +38 15.1 0.160 1.008 94.2 76.7 18.6
2010 01 19 23 35.49 +38 56.4 0.160 0.962 77.4 93.2 19.2
2010 01 24 22 23.73 +36 33.0 0.171 0.918 62.6 107.9 19.9
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-X46
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