MPEC 2009-F42 : 2009 FY4
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M.P.E.C. 2009-F42 Issued 2009 Mar. 20, 15:22 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 FY4
Observations:
K09F04Y* C2009 03 19.35872 13 48 29.80 +30 31 33.9 19.5 V EF042703
K09F04Y C2009 03 19.35928 13 48 29.48 +30 31 36.2 19.1 V EF042703
K09F04Y C2009 03 19.37251 13 48 26.74 +30 32 33.6 19.4 V EF042703
K09F04Y C2009 03 19.37312 13 48 26.64 +30 32 36.9 18.9 V EF042703
K09F04Y C2009 03 19.38625 13 48 23.72 +30 33 34.1 20.1 V EF042703
K09F04Y C2009 03 19.38686 13 48 23.65 +30 33 37.3 19.1 V EF042703
K09F04Y C2009 03 19.40002 13 48 20.62 +30 34 31.4 18.7 V EF042703
K09F04Y C2009 03 19.40062 13 48 20.62 +30 34 34.6 18.8 V EF042703
K09F04Y C2009 03 19.41175 13 48 18.03 +30 35 22.4 19.2 V EF042703
K09F04Y C2009 03 19.41334 13 48 17.78 +30 35 29.8 19.5 V EF042703
K09F04Y C2009 03 19.41494 13 48 17.42 +30 35 37.2 19.4 V EF042703
K09F04Y C2009 03 19.48337 13 48 02.45 +30 40 26.8 19.1 R EF042H01
K09F04Y C2009 03 19.48700 13 48 01.67 +30 40 42.2 19.2 R EF042H01
K09F04Y C2009 03 19.49111 13 48 00.77 +30 40 59.3 19.3 R EF042H01
K09F04Y C2009 03 19.49492 13 47 59.98 +30 41 15.7 19.3 R EF042H01
K09F04Y C2009 03 19.86128 13 46 49.40 +31 06 56.6 19.2 EF042A17
K09F04Y C2009 03 19.86912 13 46 47.79 +31 07 29.7 19.2 EF042A17
K09F04Y C2009 03 19.87506 13 46 46.63 +31 07 58.5 19.1 V EF042595
K09F04Y C2009 03 19.87700 13 46 46.12 +31 08 03.8 19.3 EF042A17
K09F04Y C2009 03 19.88763 13 46 44.01 +31 08 52.8 19.5 V EF042595
K09F04Y C2009 03 19.94781 13 46 31.51 +31 13 00.4 19.6 C EF042J41
K09F04Y C2009 03 19.95722 13 46 29.27 +31 13 45.1 19.6 V EF042A74
K09F04Y C2009 03 19.95780 13 46 29.41 +31 13 43.9 19.2 C EF042J41
K09F04Y C2009 03 19.96576 13 46 27.48 +31 14 20.9 19.6 V EF042A74
K09F04Y C2009 03 19.97395 13 46 25.70 +31 14 55.4 20.1 V EF042A74
K09F04Y C2009 03 19.98001 13 46 24.77 +31 15 16.9 19.8 C EF042J41
K09F04Y C2009 03 19.99132 13 46 22.31 +31 16 04.9 19.8 C EF042J41
K09F04Y C2009 03 20.33984 13 45 10.73 +31 40 14.9 19.3 R EF042H36
K09F04Y C2009 03 20.34448 13 45 09.74 +31 40 33.9 19.4 R EF042H36
K09F04Y C2009 03 20.34865 13 45 08.85 +31 40 50.8 19.2 R EF042H36
K09F04Y 5C2009 03 20.39236 13 45 00.27 +31 43 52.0 19.2 R EF042673
K09F04Y 5C2009 03 20.39641 13 44 59.34 +31 44 08.7 EF042673
K09F04Y 5C2009 03 20.40150 13 44 58.28 +31 44 29.3 EF042673
K09F04Y 5C2009 03 20.40601 13 44 57.26 +31 44 47.7 EF042673
K09F04Y 5C2009 03 20.41238 13 44 55.89 +31 45 14.2 EF042673
Observer details:
595 Farra d'Isonzo. Observers L. Bittesini, E. Pettarin, F. Piani. Measurer
E. Pettarin. 0.40-m f/4.5 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers E. C. Beshore,
A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
A74 Bergen-Enkheim Observatory. Observer U. Suessenberger. 0.4-m f/4
Newtonian reflector.
H01 Magdalena Ridge Observatory, Socorro. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
J41 Raheny. Observer D. Grennan. 0.36-m f/4.6 Schmidt-Cassegrain + CCD.
Orbital elements:
2009 FY4 PHA, Earth MOID = 0.0430 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC
M 191.35717 (2000.0) P Q
n 0.97078198 Peri. 244.35433 +0.66526194 -0.73901494
a 1.0101555 Node 162.58104 +0.74618657 +0.66291209
e 0.3253508 Incl. 20.78363 -0.02514262 +0.12001866
P 1.02 H 21.0 G 0.15 U 9
Residuals in seconds of arc
090319 703 1.0+ 0.1+ 090319 H01 0.1+ 0.3- 090319 A74 0.1- 0.1+
090319 703 1.6- 0.0 090319 H01 0.2- 0.5- 090319 J41 0.3+ 0.1-
090319 703 0.4+ 0.0 090319 H01 0.2+ 0.2- 090319 J41 0.6- 0.1+
090319 703 0.8+ 0.6+ 090319 A17 0.2- 0.2- 090320 H36 0.2- 0.2-
090319 703 0.2+ 1.0+ 090319 A17 0.1- 0.6- 090320 H36 0.0 0.2-
090319 703 1.0+ 1.5+ 090319 595 0.2+ 0.1- 090320 H36 0.2+ 0.3-
090319 703 1.0- 1.2- 090319 A17 0.5- 0.2- 090320 673 0.2+ 0.1-
090319 703 0.7+ 0.6- 090319 595 0.4+ 0.5+ 090320 673 0.4- 0.0
090319 703 1.3- 0.7- 090319 J41 0.0 0.3- 090320 673 0.3+ 0.1-
090319 703 0.0 0.1- 090319 A74 0.0 0.4+ 090320 673 0.1- 0.0
090319 703 0.2- 0.4+ 090319 J41 0.1- 0.8+ 090320 673 0.1+ 0.6+
090319 H01 0.1+ 0.3- 090319 A74 0.3+ 0.1+
Ephemeris:
2009 FY4 a,e,i = 1.01, 0.33, 21 q = 0.6815
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 03 20 13 46.33 +31 16.9 0.223 1.175 139.7 33.2 19.5
2009 03 30 13 13.59 +39 42.2 0.279 1.214 135.7 35.1 20.1
2009 04 09 12 46.80 +43 15.7 0.345 1.248 129.0 38.6 20.7
2009 04 19 12 28.84 +43 55.4 0.417 1.276 122.1 41.8 21.3
2009 04 29 12 19.43 +42 56.4 0.492 1.299 115.8 44.2 21.7
Sonia Keys (C) Copyright 2009 MPC M.P.E.C. 2009-F42
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