MPEC 2009-Y23 : 2009 YF
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M.P.E.C. 2009-Y23 Issued 2009 Dec. 18, 17:46 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://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2009 YF
Observations:
K09Y00F* C2009 12 17.24061 05 56 14.27 +22 26 45.0 19.3 EY023704
K09Y00F C2009 12 17.25288 05 56 08.42 +22 27 03.7 19.2 EY023704
K09Y00F C2009 12 17.26514 05 56 02.55 +22 27 22.5 19.7 EY023704
K09Y00F C2009 12 17.27746 05 55 56.64 +22 27 41.0 19.3 EY023704
K09Y00F C2009 12 17.28974 05 55 50.80 +22 27 59.7 19.7 EY023704
K09Y00F KC2009 12 17.90180 05 51 34.56 +22 41 34.9 EY023J95
K09Y00F KC2009 12 17.90476 05 51 33.22 +22 41 39.6 EY023J95
K09Y00F KC2009 12 17.90982 05 51 30.93 +22 41 47.6 18.8 R EY023J95
K09Y00F C2009 12 17.91886 05 51 25.45 +22 42 17.5 18.8 C EY023235
K09Y00F C2009 12 17.92345 05 51 23.34 +22 42 24.7 18.9 C EY023235
K09Y00F KC2009 12 17.93093 05 51 20.33 +22 42 33.6 18.8 R EY023143
K09Y00F KC2009 12 17.94133 05 51 15.51 +22 42 49.2 EY023204
K09Y00F KC2009 12 17.94640 05 51 13.15 +22 42 55.4 18.8 R EY023143
K09Y00F KC2009 12 17.94842 05 51 12.19 +22 42 59.5 18.3 C EY023204
K09Y00F C2009 12 17.95347 05 51 09.25 +22 43 06.0 18.8 R EY023473
K09Y00F C2009 12 17.95486 05 51 08.59 +22 43 08.1 18.8 R EY023473
K09Y00F C2009 12 18.18219 05 49 33.38 +22 48 30.2 18.1 R EY023932
K09Y00F C2009 12 18.19715 05 49 26.36 +22 48 51.2 18.9 R EY023932
K09Y00F C2009 12 18.21874 05 49 21.12 +22 49 33.5 18.3 R EY023H01
K09Y00F C2009 12 18.22505 05 49 13.28 +22 49 29.4 19.1 R EY023932
K09Y00F C2009 12 18.22706 05 49 17.21 +22 49 46.0 18.2 R EY023H01
K09Y00F C2009 12 18.23463 05 49 13.64 +22 49 57.1 18.1 R EY023H01
K09Y00F C2009 12 18.23509 05 49 08.52 +22 49 41.9 18.6 R EY023932
K09Y00F C2009 12 18.24160 05 49 10.35 +22 50 07.4 18.2 R EY023H01
K09Y00F tC2009 12 18.41248 05 47 50.03 +22 53 56.0 19.3 V EY023291
K09Y00F tC2009 12 18.41647 05 47 48.17 +22 54 00.3 19.4 V EY023291
K09Y00F tC2009 12 18.42079 05 47 46.20 +22 54 05.2 EY023291
K09Y00F C2009 12 18.45853 05 47 43.55 +22 54 36.6 18.4 V EY023900
K09Y00F C2009 12 18.46530 05 47 40.43 +22 54 46.2 18.1 V EY023900
K09Y00F C2009 12 18.65684 05 46 11.17 +22 59 20.5 18.4 V EY023900
K09Y00F C2009 12 18.66290 05 46 08.25 +22 59 28.4 18.6 V EY023900
Observer details:
143 Gnosca. Observer S. Sposetti. 0.40-m f/4 reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
235 CAST Observatory, Talmassons. Observer R. Ligustri. 0.35-m f/6 reflector
+ CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
473 Remanzacco. Observers L. Donato, V. Gonano, E. Guido, G. Sostero. 0.45-m
f/4.4 Newtonian reflector + CCD.
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.
900 Moriyama. Observer Y. Ikari. Measurer Y. ikari. 0.26-m f/7.0 reflector
+ CCD.
932 John J. McCarthy Obs., New Milford. Observer S. Riley. 0.4-m f/6.5
Schmidt-Cassegrain + CCD.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 YF Earth MOID = 0.0173 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 179.67485 (2000.0) P Q
n 1.08929117 Peri. 193.43235 +0.19212177 +0.98101195
a 0.9354920 Node 87.64907 -0.89791742 +0.18663625
e 0.1212138 Incl. 1.52253 -0.39602213 +0.05274911
P 0.90 H 24.7 G 0.15 U 6
Residuals in seconds of arc
091217 704 0.4- 0.2+ 091217 204 0.2- 0.2- 091218 932 0.4+ 0.3-
091217 704 0.2- 0.2- 091217 143 0.6+ 0.5- 091218 H01 0.2+ 0.0
091217 704 0.2- 0.1- 091217 204 0.2- 0.1- 091218 291 0.2- 0.3+
091217 704 0.1- 0.2- 091217 473 0.1- 0.7- 091218 291 0.3- 0.0
091217 704 0.8+ 0.4+ 091217 473 0.2- 0.5- 091218 291 0.2+ 0.1-
091217 J95 0.1- 0.5- 091218 932 0.2- 0.5- 091218 900 0.3+ 0.4-
091217 J95 0.0 0.3- 091218 932 0.1+ 0.3- 091218 900 0.9- 1.5-
091217 J95 0.3+ 0.0 091218 H01 0.2+ 0.0 091218 900 0.8+ 0.3-
091217 235 0.5- 0.0 091218 932 0.9+ 0.4+ 091218 900 0.1- 0.1+
091217 235 0.0 0.5+ 091218 H01 0.2+ 0.1+
091217 143 0.1- 0.0 091218 H01 0.2+ 0.0
Ephemeris:
2009 YF a,e,i = 0.94, 0.12, 2 q = 0.8221
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 15 06 12.17 +21 29.6 0.0587 1.042 170.0 9.5 19.3
2009 12 25 05 05.24 +24 47.9 0.0659 1.047 164.3 14.7 19.7
2010 01 04 04 19.54 +26 04.5 0.0799 1.049 143.9 33.5 20.7
2010 01 14 03 56.33 +26 37.3 0.0976 1.047 128.7 47.2 21.5
2010 01 24 03 49.33 +27 08.9 0.116 1.043 117.1 57.2 22.2
2010 02 03 03 52.35 +27 48.3 0.134 1.035 107.8 65.1 22.7
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-Y23
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